HEX atlas value

#36454F

#36454F is a cool blue HEX color nearest Charcoal. RGB 54, 69, 79, HSL 204° 19% 26%, luminance 0.0561; view contrast and conversions.

blue cool muted

#36454F Sample readable text

HEX #36454F

RGB rgb(54, 69, 79)

HSL hsl(204 19% 26%)

CMYK cmyk(32, 13, 0, 69)

Luminance 0.0561

Contrast Black 2.12:1White 9.9:1

CSS

--color-36454f: #36454F;
.background-36454f { background-color: #36454F; }
.text-36454f { color: #36454F; }

HEX meaning and use

About #36454F

#36454F is classified as a cool blue value with muted visual character. #36454F is visually closest to Charcoal, a named gray color with HEX #36454F.

The RGB channels are 54, 69, and 79, with blue carrying the strongest channel weight. In HSL, the hue is 204deg with 19% saturation and 26% lightness, so this page treats it as a low-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 muted interface themes. Its luminance is 0.0561, 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 text2.12:1AA Fail

White text9.9:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #36454F needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000002.12:1 · Fail

White text#FFFFFF9.9:1 · AAA

Accessible Alternatives

#111518#111518 · #FFFFFF text · best 18.36:1 #36384F#36384F · #FFFFFF text · best 11.44:1 #424242#424242 · #FFFFFF text · best 10.05:1 #4F4036#4F4036 · #FFFFFF text · best 9.91:1 #27485D#27485D · #FFFFFF text · best 9.67:1

Generated Palette

Charcoal#36454F

#4F4036#4F4036

#364F4C#364F4C

#36384F#36384F

#5B7486#5B7486

#111518#111518

Color Harmonies

#4F4036#4F4036

#364F4C#364F4C

#36384F#36384F

#4F3645#4F3645

#454F36#454F36

Variants

#5B7486#5B7486

#111518#111518

#27485D#27485D

#424242#424242

#7D8387#7D8387

#0068AD#0068AD

Nearest Named Colors

Charcoal#36454F

Dark Slate Gray#2F4F4F

Dark Slate Grey#2F4F4F

Spruce#2E4F4F

Slate Navy#30475E

Luminance0.0561

Black text2.12:1AA Fail

White text9.9:1AA 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":"#36454F","rgb":[54,69,79],"hsl":[204,19,26],"cmyk":[32,13,0,69],"luminance":0.0561,"contrast":{"black":2.12,"white":9.9}}

WCAG

{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":2.12,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":9.9,"wcagAA":true,"wcagAAA":true}]

Accessible alternatives

[{"name":"#111518","hex":"#111518","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.14,"contrastWhite":18.36,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#36384F","hex":"#36384F","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.84,"contrastWhite":11.44,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#424242","hex":"#424242","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":2.09,"contrastWhite":10.05,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#4F4036","hex":"#4F4036","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.12,"contrastWhite":9.91,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#27485D","hex":"#27485D","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":2.17,"contrastWhite":9.67,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]

AI context

{"semanticGroups":["cool blue","muted","muted blue","Charcoal adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","muted interface themes","calm digital interfaces"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/36454f.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/charcoal.json","https://www.colorsencyclopedia.com/api/colors/dark-slate-gray.json","https://www.colorsencyclopedia.com/api/colors/dark-slate-grey.json"]}

Harmonies

{"complementary":"#4F4036","analogous":["#364F4C","#36384F"],"triadic":["#4F3645","#454F36"],"tetradic":["#4C364F","#4F4036","#384F36"],"splitComplementary":["#4F3638","#4F4C36"],"monochromatic":["#5B7486","#36454F","#111518"]}

Variants

{"light":"#5B7486","dark":"#111518","saturated":"#27485D","desaturated":"#424242","pastel":"#7D8387","neon":"#0068AD"}

Nearest named colors

[{"slug":"charcoal","name":"Charcoal","hex":"#36454F","distance":0},{"slug":"dark-slate-gray","name":"Dark Slate Gray","hex":"#2F4F4F","distance":12.206555615733702},{"slug":"dark-slate-grey","name":"Dark Slate Grey","hex":"#2F4F4F","distance":12.206555615733702},{"slug":"spruce","name":"Spruce","hex":"#2E4F4F","distance":12.806248474865697},{"slug":"slate-navy","name":"Slate Navy","hex":"#30475E","distance":16.278820596099706}]

#36454F

CSS

About #36454F

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