HEX atlas value

#003153

#003153 is a cool blue HEX color nearest Prussian Blue. RGB 0, 49, 83, HSL 205° 100% 16%, luminance 0.0282; view contrast and conversions.

blue cool dark jewel-tone

#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; }

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.

Practical uses for this HEX value include 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#000000 · #FFFFFF text · best 21:1 #000752#000752 · #FFFFFF text · best 18.23:1 Midnight Blue#191970 · #FFFFFF text · best 14.85:1 Sapphire Deep#082567 · #FFFFFF text · best 14.29:1 #092E49#092E49 · #FFFFFF text · best 14.02:1

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

Prussian Blue#003153

Ink Blue#003F5C

Sapphire Deep#082567

Midnight Blue#191970

Charcoal Blue#263238

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

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}]

#003153

CSS

About #003153

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Machine-Readable HEX Data (JSON)

Related HEX Guides