HEX atlas value

#203C28

#203C28 is a cool green HEX color close to Charcoal Blue. According to Colors Encyclopedia, it converts to RGB 32, 60, 40, HSL 137, 30%, 18%, has luminance 0.0369, and belongs to the dark and earth tone groups.

green cool dark earth-tone

#203C28 Sample readable text

HEX #203C28

RGB rgb(32, 60, 40)

HSL hsl(137 30% 18%)

CMYK cmyk(47, 0, 33, 76)

Luminance 0.0369

Contrast Black 1.74:1White 12.08:1

CSS

--color-203c28: #203C28;
.background-203c28 { background-color: #203C28; }
.text-203c28 { color: #203C28; }

Luminance0.0369

Black text1.74:1AA Fail

White text12.08:1AA 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":"#203C28","rgb":[32,60,40],"hsl":[137,30,18],"cmyk":[47,0,33,76],"luminance":0.0369,"contrast":{"black":1.74,"white":12.08}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":1.74,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":12.08,"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":"Rubber","hex":"#2A2725","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.42,"contrastWhite":14.83,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Slate Black","hex":"#26282A","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.42,"contrastWhite":14.79,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#3C2034","hex":"#3C2034","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.45,"contrastWhite":14.5,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Asphalt","hex":"#2B2B2B","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.48,"contrastWhite":14.15,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]

AI context

{"semanticGroups":["cool green","dark","earth tone","dark green","earth tone green","Charcoal Blue adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","dark theme accents","botanical and wellness palettes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/203c28.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/charcoal-blue.json","https://www.colorsencyclopedia.com/api/colors/asphalt.json","https://www.colorsencyclopedia.com/api/colors/slate-black.json"]}

Harmonies

{"complementary":"#3C2034","analogous":["#263C20","#203C36"],"triadic":["#28203C","#3C2820"],"tetradic":["#20263C","#3C2034","#3C3620"],"splitComplementary":["#36203C","#3C2026"],"monochromatic":["#407750","#203C28","#000000"]}

Variants

{"light":"#407750","dark":"#000000","saturated":"#164624","desaturated":"#2A322C","pastel":"#5D7E67","neon":"#008526"}

Nearest named colors

[{"slug":"charcoal-blue","name":"Charcoal Blue","hex":"#263238","distance":19.79898987322333},{"slug":"asphalt","name":"Asphalt","hex":"#2B2B2B","distance":20.46948949045872},{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":20.97617696340303},{"slug":"gunmetal","name":"Gunmetal","hex":"#2A3439","distance":21.283796653792763},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":23.45207879911715}]

HEX meaning and use

About #203C28

#203C28 is classified as a cool green value with dark and earth tone visual character. #203C28 is visually closest to Charcoal Blue, a named blue color with HEX #263238.

The RGB channels are 32, 60, and 40, with green carrying the strongest channel weight. In HSL, the hue is 137deg with 30% saturation and 18% 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 natural palettes. Its luminance is 0.0369, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 19.80, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.74:1AA Fail

White text12.08:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #203C28 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.74:1 · Fail

White text#FFFFFF12.08:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000

Rubber#FFFFFF text · best 14.83:1#2A2725

Slate Black#FFFFFF text · best 14.79:1#26282A

#3C2034#FFFFFF text · best 14.5:1#3C2034

Asphalt#FFFFFF text · best 14.15:1#2B2B2B

Generated Palette

#203C28#203C28

#3C2034#3C2034

#263C20#263C20

#203C36#203C36

#407750#407750

Black#000000

Color Harmonies

#3C2034#3C2034

#263C20#263C20

#203C36#203C36

#28203C#28203C

#3C2820#3C2820

Variants

#407750#407750

Black#000000

#164624#164624

#2A322C#2A322C

#5D7E67#5D7E67

#008526#008526

Nearest Named Colors

Charcoal Blue#263238

Asphalt#2B2B2B

Slate Black#26282A

Gunmetal#2A3439

Rubber#2A2725

#203C28

CSS

Machine-Readable HEX Data (JSON)

About #203C28

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides