Colors Encyclopedia

HEX atlas value

#36454F

#36454F is a cool blue HEX color close to Charcoal. According to Colors Encyclopedia, it converts to RGB 54, 69, 79, HSL 204, 19%, 26%, has luminance 0.0561, and belongs to the muted group.

bluecoolmuted
#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; }

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
Luminance0.0561
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
Download JSON Open API
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}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

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.

According to Colors Encyclopedia, this HEX value works best for 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#FFFFFF text · best 18.36:1#111518
#36384F#FFFFFF text · best 11.44:1#36384F
#424242#FFFFFF text · best 10.05:1#424242
#4F4036#FFFFFF text · best 9.91:1#4F4036
#27485D#FFFFFF text · best 9.67:1#27485D

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

Related HEX Guides

Charcoal colorOpen the nearest named color reference for #36454F.Dark Slate Gray colorOpen the nearest named color reference for #2F4F4F.Dark Slate Grey colorOpen the nearest named color reference for #2F4F4F.Blue color familyBrowse named blue colors related to this HEX value.Cool colorsExplore colors with similar temperature behavior.Muted colorsFind colors in the muted group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#36454F APIOpen the machine-readable JSON record for this HEX value.