Nearest-color comparison
Ink Blue #003F5C vs Sapphire Deep #082567: RGB distance 29.3 and contrast 1.27:1. Compare hue, luminance, saturation, WCAG and practical use.
Ink Blue and Sapphire Deep are related but distinguishable, with an RGB distance of 29.3. Ink Blue is lighter by 0.0198, and Ink Blue is more saturated by 14 percentage points. Their mutual contrast is 1.27:1. The pair is too close for a readable foreground/background combination and works better as neighboring palette colors.
The main measurable differences between Ink Blue and Sapphire Deep across RGB distance, luminance, hue, saturation, and contrast.
blue color
Ink Blue is #003F5C, a cool blue with hue 199°, saturation 100% and luminance 0.0433. Beside Sapphire Deep, it is lighter and more saturated. Of the two standard text choices, white text gives the higher contrast at 11.25:1.
blue color
Sapphire Deep is #082567, a cool blue with hue 222°, saturation 86% and luminance 0.0235. Beside Ink Blue, it is darker and less saturated. Of the two standard text choices, white text gives the higher contrast at 14.29:1.
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 Ink Blue and Sapphire Deep, 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": "ink-blue",
"name": "Ink Blue",
"hex": "#003F5C",
"rgb": [
0,
63,
92
],
"hsl": [
199,
100,
18
],
"cmyk": [
100,
32,
0,
64
],
"family": "blue",
"temperature": "cool",
"tone": [
"dark",
"jewel-tone"
],
"luminance": 0.0433,
"contrast": {
"black": 1.87,
"white": 11.25
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF",
"#F5F5F5"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 11.25
},
"description": "Ink Blue is #003F5C, a cool blue color with dark and jewel tone character. Compared with Sapphire Deep, it is lighter and more saturated. Use it for interfaces, brand systems, and technical design, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/ink-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/ink-blue.json"
},
{
"slug": "sapphire-deep",
"name": "Sapphire Deep",
"hex": "#082567",
"rgb": [
8,
37,
103
],
"hsl": [
222,
86,
22
],
"cmyk": [
92,
64,
0,
60
],
"family": "blue",
"temperature": "cool",
"tone": [
"dark",
"jewel-tone"
],
"luminance": 0.0235,
"contrast": {
"black": 1.47,
"white": 14.29
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF",
"#F5F5F5"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 14.29
},
"description": "Sapphire Deep is #082567, a cool blue color with dark and jewel tone character. Compared with Ink Blue, it is darker and less saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/sapphire-deep/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/sapphire-deep.json"
}
]{
"rgbDistance": 29.3,
"contrastRatio": 1.27,
"hslDelta": {
"hue": 23,
"saturation": 14,
"lightness": 4
},
"luminanceDelta": 0.0198,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [
"dark",
"jewel-tone"
],
"lighterColor": "Ink Blue",
"moreSaturatedColor": "Ink Blue"
}{
"pairContrastRatio": 1.27,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Ink Blue",
"background": "#003F5C",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 11.25
},
{
"color": "Sapphire Deep",
"background": "#082567",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 14.29
}
]
}{
"chooseFirstWhen": "Ink Blue is better when the design needs dark and jewel tone blue character, cool temperature, and the specific HEX value #003F5C.",
"chooseSecondWhen": "Sapphire Deep is better when the design needs dark and jewel tone blue character, cool temperature, and the specific HEX value #082567.",
"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/ink-blue-vs-sapphire-deep.json",
"https://www.colorsencyclopedia.com/api/colors/ink-blue.json",
"https://www.colorsencyclopedia.com/api/colors/sapphire-deep.json"
]{
"datasetVersion": "1.0.0",
"slug": "ink-blue-vs-sapphire-deep",
"type": "nearest",
"name": "Ink Blue vs Sapphire Deep",
"verdict": "Ink Blue and Sapphire Deep are visually related colors. Ink Blue is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.27:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Ink Blue and Sapphire Deep are different blue colors with HEX values #003F5C and #082567. According to Colors Encyclopedia, their RGB distance is 29.3, their contrast ratio is 1.27:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 29.3,
"contrastRatio": 1.27,
"colors": [
{
"slug": "ink-blue",
"name": "Ink Blue",
"hex": "#003F5C",
"rgb": [
0,
63,
92
],
"hsl": [
199,
100,
18
],
"cmyk": [
100,
32,
0,
64
],
"family": "blue",
"temperature": "cool",
"tone": [
"dark",
"jewel-tone"
],
"luminance": 0.0433,
"contrast": {
"black": 1.87,
"white": 11.25
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF",
"#F5F5F5"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 11.25
},
"description": "Ink Blue is #003F5C, a cool blue color with dark and jewel tone character. Compared with Sapphire Deep, it is lighter and more saturated. Use it for interfaces, brand systems, and technical design, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/ink-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/ink-blue.json"
},
{
"slug": "sapphire-deep",
"name": "Sapphire Deep",
"hex": "#082567",
"rgb": [
8,
37,
103
],
"hsl": [
222,
86,
22
],
"cmyk": [
92,
64,
0,
60
],
"family": "blue",
"temperature": "cool",
"tone": [
"dark",
"jewel-tone"
],
"luminance": 0.0235,
"contrast": {
"black": 1.47,
"white": 14.29
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF",
"#F5F5F5"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 14.29
},
"description": "Sapphire Deep is #082567, a cool blue color with dark and jewel tone character. Compared with Ink Blue, it is darker and less saturated. Use it for jewel-tone palettes, luxury branding, and premium interface accents, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/sapphire-deep/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/sapphire-deep.json"
}
],
"differences": {
"rgbDistance": 29.3,
"contrastRatio": 1.27,
"hslDelta": {
"hue": 23,
"saturation": 14,
"lightness": 4
},
"luminanceDelta": 0.0198,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [
"dark",
"jewel-tone"
],
"lighterColor": "Ink Blue",
"moreSaturatedColor": "Ink Blue"
},
"accessibility": {
"pairContrastRatio": 1.27,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Ink Blue",
"background": "#003F5C",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 11.25
},
{
"color": "Sapphire Deep",
"background": "#082567",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 14.29
}
]
},
"useCases": {
"chooseFirstWhen": "Ink Blue is better when the design needs dark and jewel tone blue character, cool temperature, and the specific HEX value #003F5C.",
"chooseSecondWhen": "Sapphire Deep is better when the design needs dark and jewel tone blue character, cool temperature, and the specific HEX value #082567.",
"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/ink-blue-vs-sapphire-deep.json",
"https://www.colorsencyclopedia.com/api/colors/ink-blue.json",
"https://www.colorsencyclopedia.com/api/colors/sapphire-deep.json"
],
"url": "https://www.colorsencyclopedia.com/compare/ink-blue-vs-sapphire-deep/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/ink-blue-vs-sapphire-deep.json"
}