Nearest-color comparison
Blue #0000FF vs Han Purple #5218FA: RGB distance 85.6 and contrast 1.17:1. Compare hue, luminance, saturation, WCAG and practical use.
Blue and Han Purple are clearly different, with an RGB distance of 85.6. Han Purple is lighter by 0.0213, and Blue is more saturated by 4 percentage points. Their mutual contrast is 1.17:1. The pair is too close for a readable foreground/background combination and works better as neighboring palette colors.
The main measurable differences between Blue and Han Purple across RGB distance, luminance, hue, saturation, and contrast.
blue color
Blue is #0000FF, a cool blue with hue 240°, saturation 100% and luminance 0.0722. Beside Han Purple, it is darker and more saturated. Of the two standard text choices, white text gives the higher contrast at 8.59:1.
purple color
Han Purple is #5218FA, a cool purple with hue 255°, saturation 96% and luminance 0.0935. Beside Blue, it is lighter and less saturated. Of the two standard text choices, white text gives the higher contrast at 7.32:1.
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 Blue and Han Purple, 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": "blue",
"name": "Blue",
"hex": "#0000FF",
"rgb": [
0,
0,
255
],
"hsl": [
240,
100,
50
],
"cmyk": [
100,
100,
0,
0
],
"family": "blue",
"temperature": "cool",
"tone": [
"vibrant"
],
"luminance": 0.0722,
"contrast": {
"black": 2.44,
"white": 8.59
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF",
"#F5F5F5"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 8.59
},
"description": "Blue is #0000FF, a cool blue color with vibrant character. Compared with Han Purple, it is darker and more saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/blue.json"
},
{
"slug": "han-purple",
"name": "Han Purple",
"hex": "#5218FA",
"rgb": [
82,
24,
250
],
"hsl": [
255,
96,
54
],
"cmyk": [
67,
90,
0,
2
],
"family": "purple",
"temperature": "cool",
"tone": [
"vibrant"
],
"luminance": 0.0935,
"contrast": {
"black": 2.87,
"white": 7.32
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 7.32
},
"description": "Han Purple is #5218FA, a cool purple color with vibrant character. Compared with Blue, it is lighter and less saturated. Use it for historical references, pigment palettes, and cultural color systems, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/han-purple/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/han-purple.json"
}
]{
"rgbDistance": 85.6,
"contrastRatio": 1.17,
"hslDelta": {
"hue": 15,
"saturation": 4,
"lightness": 4
},
"luminanceDelta": 0.0213,
"sameFamily": false,
"sameTemperature": true,
"sharedTones": [
"vibrant"
],
"lighterColor": "Han Purple",
"moreSaturatedColor": "Blue"
}{
"pairContrastRatio": 1.17,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Blue",
"background": "#0000FF",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 8.59
},
{
"color": "Han Purple",
"background": "#5218FA",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 7.32
}
]
}{
"chooseFirstWhen": "Blue is better when the design needs vibrant blue character, cool temperature, and the specific HEX value #0000FF.",
"chooseSecondWhen": "Han Purple is better when the design needs vibrant purple character, cool temperature, and the specific HEX value #5218FA.",
"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/blue-vs-han-purple.json",
"https://www.colorsencyclopedia.com/api/colors/blue.json",
"https://www.colorsencyclopedia.com/api/colors/han-purple.json"
]{
"datasetVersion": "1.0.0",
"slug": "blue-vs-han-purple",
"type": "nearest",
"name": "Blue vs Han Purple",
"verdict": "Blue and Han Purple are clearly different colors. Han Purple is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.17:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Blue and Han Purple are different blue and purple colors with HEX values #0000FF and #5218FA. According to Colors Encyclopedia, their RGB distance is 85.6, their contrast ratio is 1.17:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 85.6,
"contrastRatio": 1.17,
"colors": [
{
"slug": "blue",
"name": "Blue",
"hex": "#0000FF",
"rgb": [
0,
0,
255
],
"hsl": [
240,
100,
50
],
"cmyk": [
100,
100,
0,
0
],
"family": "blue",
"temperature": "cool",
"tone": [
"vibrant"
],
"luminance": 0.0722,
"contrast": {
"black": 2.44,
"white": 8.59
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF",
"#F5F5F5"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 8.59
},
"description": "Blue is #0000FF, a cool blue color with vibrant character. Compared with Han Purple, it is darker and more saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/blue.json"
},
{
"slug": "han-purple",
"name": "Han Purple",
"hex": "#5218FA",
"rgb": [
82,
24,
250
],
"hsl": [
255,
96,
54
],
"cmyk": [
67,
90,
0,
2
],
"family": "purple",
"temperature": "cool",
"tone": [
"vibrant"
],
"luminance": 0.0935,
"contrast": {
"black": 2.87,
"white": 7.32
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 7.32
},
"description": "Han Purple is #5218FA, a cool purple color with vibrant character. Compared with Blue, it is lighter and less saturated. Use it for historical references, pigment palettes, and cultural color systems, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/han-purple/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/han-purple.json"
}
],
"differences": {
"rgbDistance": 85.6,
"contrastRatio": 1.17,
"hslDelta": {
"hue": 15,
"saturation": 4,
"lightness": 4
},
"luminanceDelta": 0.0213,
"sameFamily": false,
"sameTemperature": true,
"sharedTones": [
"vibrant"
],
"lighterColor": "Han Purple",
"moreSaturatedColor": "Blue"
},
"accessibility": {
"pairContrastRatio": 1.17,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Blue",
"background": "#0000FF",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 8.59
},
{
"color": "Han Purple",
"background": "#5218FA",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 7.32
}
]
},
"useCases": {
"chooseFirstWhen": "Blue is better when the design needs vibrant blue character, cool temperature, and the specific HEX value #0000FF.",
"chooseSecondWhen": "Han Purple is better when the design needs vibrant purple character, cool temperature, and the specific HEX value #5218FA.",
"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/blue-vs-han-purple.json",
"https://www.colorsencyclopedia.com/api/colors/blue.json",
"https://www.colorsencyclopedia.com/api/colors/han-purple.json"
],
"url": "https://www.colorsencyclopedia.com/compare/blue-vs-han-purple/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/blue-vs-han-purple.json"
}