Nearest-color comparison
Tanzanite #4D5DAB vs Violet Blue #324AB2: RGB distance 33.7 and contrast 1.26:1. Compare hue, luminance, saturation, WCAG and practical use.
Tanzanite and Violet Blue are related but distinguishable, with an RGB distance of 33.7. Tanzanite is lighter by 0.0356, and Violet Blue is more saturated by 18 percentage points. Their mutual contrast is 1.26:1. The pair is too close for a readable foreground/background combination and works better as neighboring palette colors.
The main measurable differences between Tanzanite and Violet Blue across RGB distance, luminance, hue, saturation, and contrast.
blue color
Tanzanite is #4D5DAB, a cool blue with hue 230°, saturation 38% and luminance 0.1235. Beside Violet Blue, it is lighter and less saturated. Of the two standard text choices, white text gives the higher contrast at 6.05:1.
blue color
Violet Blue is #324AB2, a cool blue with hue 229°, saturation 56% and luminance 0.0879. Beside Tanzanite, it is darker and more saturated. Of the two standard text choices, white text gives the higher contrast at 7.61:1.
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 Tanzanite and Violet 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": "tanzanite",
"name": "Tanzanite",
"hex": "#4D5DAB",
"rgb": [
77,
93,
171
],
"hsl": [
230,
38,
49
],
"cmyk": [
55,
46,
0,
33
],
"family": "blue",
"temperature": "cool",
"tone": [
"balanced"
],
"luminance": 0.1235,
"contrast": {
"black": 3.47,
"white": 6.05
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": []
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 6.05
},
"description": "Tanzanite is #4D5DAB, a cool blue color with balanced character. Compared with Violet Blue, it is lighter 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/tanzanite/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/tanzanite.json"
},
{
"slug": "violet-blue",
"name": "Violet Blue",
"hex": "#324AB2",
"rgb": [
50,
74,
178
],
"hsl": [
229,
56,
45
],
"cmyk": [
72,
58,
0,
30
],
"family": "blue",
"temperature": "cool",
"tone": [
"jewel-tone"
],
"luminance": 0.0879,
"contrast": {
"black": 2.76,
"white": 7.61
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 7.61
},
"description": "Violet Blue is #324AB2, a cool blue color with jewel tone character. Compared with Tanzanite, it is darker and more saturated. Use it for beauty branding, creative systems, and premium accents, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/violet-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/violet-blue.json"
}
]{
"rgbDistance": 33.7,
"contrastRatio": 1.26,
"hslDelta": {
"hue": 1,
"saturation": 18,
"lightness": 4
},
"luminanceDelta": 0.0356,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [],
"lighterColor": "Tanzanite",
"moreSaturatedColor": "Violet Blue"
}{
"pairContrastRatio": 1.26,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Tanzanite",
"background": "#4D5DAB",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 6.05
},
{
"color": "Violet Blue",
"background": "#324AB2",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 7.61
}
]
}{
"chooseFirstWhen": "Tanzanite is better when the design needs balanced blue character, cool temperature, and the specific HEX value #4D5DAB.",
"chooseSecondWhen": "Violet Blue is better when the design needs jewel tone blue character, cool temperature, and the specific HEX value #324AB2.",
"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/tanzanite-vs-violet-blue.json",
"https://www.colorsencyclopedia.com/api/colors/tanzanite.json",
"https://www.colorsencyclopedia.com/api/colors/violet-blue.json"
]{
"datasetVersion": "1.0.0",
"slug": "tanzanite-vs-violet-blue",
"type": "nearest",
"name": "Tanzanite vs Violet Blue",
"verdict": "Tanzanite and Violet Blue are visually related colors. Tanzanite is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.26:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Tanzanite and Violet Blue are different blue colors with HEX values #4D5DAB and #324AB2. According to Colors Encyclopedia, their RGB distance is 33.7, their contrast ratio is 1.26:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 33.7,
"contrastRatio": 1.26,
"colors": [
{
"slug": "tanzanite",
"name": "Tanzanite",
"hex": "#4D5DAB",
"rgb": [
77,
93,
171
],
"hsl": [
230,
38,
49
],
"cmyk": [
55,
46,
0,
33
],
"family": "blue",
"temperature": "cool",
"tone": [
"balanced"
],
"luminance": 0.1235,
"contrast": {
"black": 3.47,
"white": 6.05
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": []
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 6.05
},
"description": "Tanzanite is #4D5DAB, a cool blue color with balanced character. Compared with Violet Blue, it is lighter 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/tanzanite/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/tanzanite.json"
},
{
"slug": "violet-blue",
"name": "Violet Blue",
"hex": "#324AB2",
"rgb": [
50,
74,
178
],
"hsl": [
229,
56,
45
],
"cmyk": [
72,
58,
0,
30
],
"family": "blue",
"temperature": "cool",
"tone": [
"jewel-tone"
],
"luminance": 0.0879,
"contrast": {
"black": 2.76,
"white": 7.61
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 7.61
},
"description": "Violet Blue is #324AB2, a cool blue color with jewel tone character. Compared with Tanzanite, it is darker and more saturated. Use it for beauty branding, creative systems, and premium accents, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/violet-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/violet-blue.json"
}
],
"differences": {
"rgbDistance": 33.7,
"contrastRatio": 1.26,
"hslDelta": {
"hue": 1,
"saturation": 18,
"lightness": 4
},
"luminanceDelta": 0.0356,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [],
"lighterColor": "Tanzanite",
"moreSaturatedColor": "Violet Blue"
},
"accessibility": {
"pairContrastRatio": 1.26,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Tanzanite",
"background": "#4D5DAB",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 6.05
},
{
"color": "Violet Blue",
"background": "#324AB2",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 7.61
}
]
},
"useCases": {
"chooseFirstWhen": "Tanzanite is better when the design needs balanced blue character, cool temperature, and the specific HEX value #4D5DAB.",
"chooseSecondWhen": "Violet Blue is better when the design needs jewel tone blue character, cool temperature, and the specific HEX value #324AB2.",
"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/tanzanite-vs-violet-blue.json",
"https://www.colorsencyclopedia.com/api/colors/tanzanite.json",
"https://www.colorsencyclopedia.com/api/colors/violet-blue.json"
],
"url": "https://www.colorsencyclopedia.com/compare/tanzanite-vs-violet-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/tanzanite-vs-violet-blue.json"
}