Nearest-color comparison
Cornflower Blue #6495ED vs Glacier Blue #78B9D2: RGB distance 49.2 and contrast 1.37:1. Compare hue, luminance, saturation, WCAG and practical use.
Cornflower Blue and Glacier Blue are related but distinguishable, with an RGB distance of 49.2. Glacier Blue is lighter by 0.1302, and Cornflower Blue is more saturated by 29 percentage points. Their mutual contrast is 1.37:1. The pair is too close for a readable foreground/background combination and works better as neighboring palette colors.
The main measurable differences between Cornflower Blue and Glacier Blue across RGB distance, luminance, hue, saturation, and contrast.
blue color
Cornflower Blue is #6495ED, a cool blue with hue 219°, saturation 79% and luminance 0.3032. Beside Glacier Blue, it is darker and more saturated. Of the two standard text choices, black text gives the higher contrast at 7.06:1.
blue color
Glacier Blue is #78B9D2, a cool blue with hue 197°, saturation 50% and luminance 0.4334. Beside Cornflower Blue, it is lighter and less saturated. Of the two standard text choices, black text gives the higher contrast at 9.67:1.
Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.
Downloadable color comparison infographic
Save a high-resolution comparison infographic with both HEX colors, visual distance, mutual contrast, and accessibility guidance.
A compact visual strip showing the two compared colors with nearby harmony and variant context.
Machine-readable data
Structured comparison data for Cornflower Blue and Glacier Blue, including color systems, RGB distance, HSL deltas, contrast, accessibility guidance, use cases, and API links.
Colors Encyclopedia
colorsBoth named color records with HEX, RGB, HSL, CMYK, luminance, WCAG, and linksdifferencesRGB distance, HSL deltas, luminance delta, contrast, and shared attributesaccessibilityPair contrast and safer text choices for each coloruseCasesWhen to choose each color and when to use them togetherrelatedApiMachine-readable comparison and color endpoints[
{
"slug": "cornflower-blue",
"name": "Cornflower Blue",
"hex": "#6495ED",
"rgb": [
100,
149,
237
],
"hsl": [
219,
79,
66
],
"cmyk": [
58,
37,
0,
7
],
"family": "blue",
"temperature": "cool",
"tone": [
"vibrant"
],
"luminance": 0.3032,
"contrast": {
"black": 7.06,
"white": 2.97
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A"
],
"AAA": [
"#000000"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 7.06
},
"description": "Cornflower Blue is #6495ED, a cool blue color with vibrant character. Compared with Glacier Blue, it is darker and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/cornflower-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/cornflower-blue.json"
},
{
"slug": "glacier-blue",
"name": "Glacier Blue",
"hex": "#78B9D2",
"rgb": [
120,
185,
210
],
"hsl": [
197,
50,
65
],
"cmyk": [
43,
12,
0,
18
],
"family": "blue",
"temperature": "cool",
"tone": [
"balanced"
],
"luminance": 0.4334,
"contrast": {
"black": 9.67,
"white": 2.17
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 9.67
},
"description": "Glacier Blue is #78B9D2, a cool blue color with balanced character. Compared with Cornflower Blue, it is lighter and less saturated. Use it for interfaces, brand systems, and technical design, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/glacier-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/glacier-blue.json"
}
]{
"rgbDistance": 49.2,
"contrastRatio": 1.37,
"hslDelta": {
"hue": 22,
"saturation": 29,
"lightness": 1
},
"luminanceDelta": 0.1302,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [],
"lighterColor": "Glacier Blue",
"moreSaturatedColor": "Cornflower Blue"
}{
"pairContrastRatio": 1.37,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Cornflower Blue",
"background": "#6495ED",
"foreground": "#000000",
"label": "black text",
"ratio": 7.06
},
{
"color": "Glacier Blue",
"background": "#78B9D2",
"foreground": "#000000",
"label": "black text",
"ratio": 9.67
}
]
}{
"chooseFirstWhen": "Cornflower Blue is better when the design needs vibrant blue character, cool temperature, and the specific HEX value #6495ED.",
"chooseSecondWhen": "Glacier Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #78B9D2.",
"useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
}[
"https://www.colorsencyclopedia.com/api/compare/cornflower-blue-vs-glacier-blue.json",
"https://www.colorsencyclopedia.com/api/colors/cornflower-blue.json",
"https://www.colorsencyclopedia.com/api/colors/glacier-blue.json"
]{
"datasetVersion": "1.0.0",
"slug": "cornflower-blue-vs-glacier-blue",
"type": "nearest",
"name": "Cornflower Blue vs Glacier Blue",
"verdict": "Cornflower Blue and Glacier Blue are visually related colors. Glacier Blue is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.37:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Cornflower Blue and Glacier Blue are different blue colors with HEX values #6495ED and #78B9D2. According to Colors Encyclopedia, their RGB distance is 49.2, their contrast ratio is 1.37:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 49.2,
"contrastRatio": 1.37,
"colors": [
{
"slug": "cornflower-blue",
"name": "Cornflower Blue",
"hex": "#6495ED",
"rgb": [
100,
149,
237
],
"hsl": [
219,
79,
66
],
"cmyk": [
58,
37,
0,
7
],
"family": "blue",
"temperature": "cool",
"tone": [
"vibrant"
],
"luminance": 0.3032,
"contrast": {
"black": 7.06,
"white": 2.97
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A"
],
"AAA": [
"#000000"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 7.06
},
"description": "Cornflower Blue is #6495ED, a cool blue color with vibrant character. Compared with Glacier Blue, it is darker and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/cornflower-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/cornflower-blue.json"
},
{
"slug": "glacier-blue",
"name": "Glacier Blue",
"hex": "#78B9D2",
"rgb": [
120,
185,
210
],
"hsl": [
197,
50,
65
],
"cmyk": [
43,
12,
0,
18
],
"family": "blue",
"temperature": "cool",
"tone": [
"balanced"
],
"luminance": 0.4334,
"contrast": {
"black": 9.67,
"white": 2.17
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 9.67
},
"description": "Glacier Blue is #78B9D2, a cool blue color with balanced character. Compared with Cornflower Blue, it is lighter and less saturated. Use it for interfaces, brand systems, and technical design, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/glacier-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/glacier-blue.json"
}
],
"differences": {
"rgbDistance": 49.2,
"contrastRatio": 1.37,
"hslDelta": {
"hue": 22,
"saturation": 29,
"lightness": 1
},
"luminanceDelta": 0.1302,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [],
"lighterColor": "Glacier Blue",
"moreSaturatedColor": "Cornflower Blue"
},
"accessibility": {
"pairContrastRatio": 1.37,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Cornflower Blue",
"background": "#6495ED",
"foreground": "#000000",
"label": "black text",
"ratio": 7.06
},
{
"color": "Glacier Blue",
"background": "#78B9D2",
"foreground": "#000000",
"label": "black text",
"ratio": 9.67
}
]
},
"useCases": {
"chooseFirstWhen": "Cornflower Blue is better when the design needs vibrant blue character, cool temperature, and the specific HEX value #6495ED.",
"chooseSecondWhen": "Glacier Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #78B9D2.",
"useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
},
"relatedApi": [
"https://www.colorsencyclopedia.com/api/compare/cornflower-blue-vs-glacier-blue.json",
"https://www.colorsencyclopedia.com/api/colors/cornflower-blue.json",
"https://www.colorsencyclopedia.com/api/colors/glacier-blue.json"
],
"url": "https://www.colorsencyclopedia.com/compare/cornflower-blue-vs-glacier-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/cornflower-blue-vs-glacier-blue.json"
}