HEX atlas value

#003153

#003153 is a cool blue HEX color close to Prussian Blue. According to Colors Encyclopedia, it converts to RGB 0, 49, 83, HSL 205, 100%, 16%, has luminance 0.0282, and belongs to the dark and jewel tone groups.

#003153 Sample readable text
HEX #003153
RGB rgb(0, 49, 83)
HSL hsl(205 100% 16%)
CMYK cmyk(100, 41, 0, 67)
Luminance 0.0282
Contrast Black 1.56:1White 13.43:1

CSS

--color-003153: #003153;
.background-003153 { background-color: #003153; }
.text-003153 { color: #003153; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.0282
Black text1.56:1AA Fail
White text13.43:1AA Pass
hexCanonical HEX value
rgbRed, green, blue channels
hslHue, saturation, lightness
cmykApproximate print conversion
wcagAA and AAA contrast options
harmoniesMathematical harmony sets
variantsGenerated tone variants
nearestColorsKnowledge graph neighbors
Download JSON Open API
Structured sections
Color systems
{"hex":"#003153","rgb":[0,49,83],"hsl":[205,100,16],"cmyk":[100,41,0,67],"luminance":0.0282,"contrast":{"black":1.56,"white":13.43}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.56,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":13.43,"wcagAA":true,"wcagAAA":true}]
Accessible alternatives
[{"name":"Black","hex":"#000000","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1,"contrastWhite":21,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#000752","hex":"#000752","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.15,"contrastWhite":18.23,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Midnight Blue","hex":"#191970","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.41,"contrastWhite":14.85,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Sapphire Deep","hex":"#082567","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.47,"contrastWhite":14.29,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#092E49","hex":"#092E49","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.5,"contrastWhite":14.02,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["cool blue","dark","jewel tone","dark blue","jewel tone blue","Prussian Blue adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","dark theme accents","calm digital interfaces"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/003153.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/prussian-blue.json","https://www.colorsencyclopedia.com/api/colors/ink-blue.json","https://www.colorsencyclopedia.com/api/colors/sapphire-deep.json"]}
Harmonies
{"complementary":"#522200","analogous":["#00524B","#000752"],"triadic":["#520030","#305200"],"tetradic":["#4B0052","#522200","#075200"],"splitComplementary":["#520007","#524B00"],"monochromatic":["#0065AD","#003153","#000000"]}
Variants
{"light":"#0065AD","dark":"#000000","saturated":"#003052","desaturated":"#092E49","pastel":"#1077C1","neon":"#00477A"}
Nearest named colors
[{"slug":"prussian-blue","name":"Prussian Blue","hex":"#003153","distance":0},{"slug":"ink-blue","name":"Ink Blue","hex":"#003F5C","distance":16.64331697709324},{"slug":"sapphire-deep","name":"Sapphire Deep","hex":"#082567","distance":24.657656011875904},{"slug":"midnight-blue","name":"Midnight Blue","hex":"#191970","distance":45.18849411078001},{"slug":"charcoal-blue","name":"Charcoal Blue","hex":"#263238","distance":46.62617290749907}]

HEX meaning and use

About #003153

#003153 is classified as a cool blue value with dark and jewel tone visual character. #003153 is visually closest to Prussian Blue, a named blue color with HEX #003153.

The RGB channels are 0, 49, and 83, with blue carrying the strongest channel weight. In HSL, the hue is 205deg with 100% saturation and 16% lightness, so this page treats it as a high-saturation, dark atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and rich accent palettes. Its luminance is 0.0282, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.56:1AA Fail
White text13.43:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #003153 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.56:1 · Fail
White text#FFFFFF13.43:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
#000752#FFFFFF text · best 18.23:1#000752
Midnight Blue#FFFFFF text · best 14.85:1#191970
Sapphire Deep#FFFFFF text · best 14.29:1#082567
#092E49#FFFFFF text · best 14.02:1#092E49

Generated Palette

Prussian Blue#003153
#522200#522200
#00524B#00524B
#000752#000752
#0065AD#0065AD
Black#000000

Color Harmonies

#522200#522200
#00524B#00524B
#000752#000752
#520030#520030
#305200#305200

Variants

#0065AD#0065AD
Black#000000
#003052#003052
#092E49#092E49
#1077C1#1077C1
#00477A#00477A

Nearest Named Colors