HEX atlas value

#0A291A

#0A291A is a cool green HEX color close to Matte Black. According to Colors Encyclopedia, it converts to RGB 10, 41, 26, HSL 151, 61%, 10%, has luminance 0.0172, and belongs to the dark, earth tone, and jewel tone groups.

green cool dark earth-tone jewel-tone

#0A291A Sample readable text

HEX #0A291A

RGB rgb(10, 41, 26)

HSL hsl(151 61% 10%)

CMYK cmyk(76, 0, 37, 84)

Luminance 0.0172

Contrast Black 1.34:1White 15.62:1

CSS

--color-0a291a: #0A291A;
.background-0a291a { background-color: #0A291A; }
.text-0a291a { color: #0A291A; }

Luminance0.0172

Black text1.34:1AA Fail

White text15.62:1AA 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":"#0A291A","rgb":[10,41,26],"hsl":[151,61,10],"cmyk":[76,0,37,84],"luminance":0.0172,"contrast":{"black":1.34,"white":15.62}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":1.34,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":15.62,"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":"Carbon Black","hex":"#0C0C0C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.07,"contrastWhite":19.55,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#290A19","hex":"#290A19","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.15,"contrastWhite":18.23,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Matte Black","hex":"#1A1A1A","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.21,"contrastWhite":17.41,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Carbon Fiber","hex":"#1C1C1C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.23,"contrastWhite":17.05,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]

AI context

{"semanticGroups":["cool green","dark","earth tone","jewel tone","dark green","earth tone green","jewel tone green","Matte Black adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","rich accent palettes","dark theme accents"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/0a291a.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/matte-black.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json","https://www.colorsencyclopedia.com/api/colors/raisin.json"]}

Harmonies

{"complementary":"#290A19","analogous":["#0A290A","#0A2929"],"triadic":["#1A0A29","#291A0A"],"tetradic":["#0A0A29","#290A19","#29290A"],"splitComplementary":["#290A29","#290A0A"],"monochromatic":["#1C7349","#0A291A","#000000"]}

Variants

{"light":"#1C7349","dark":"#000000","saturated":"#042F1A","desaturated":"#10231A","pastel":"#30825B","neon":"#005C2F"}

Nearest named colors

[{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":21.93171219946131},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":22.293496809607955},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":28.982753492378876},{"slug":"british-racing-green","name":"British Racing Green","hex":"#004225","distance":29.086079144497972},{"slug":"carbon-black","name":"Carbon Black","hex":"#0C0C0C","distance":32.264531609803356}]

HEX meaning and use

About #0A291A

#0A291A is classified as a cool green value with dark, earth tone, and jewel tone visual character. #0A291A is visually closest to Matte Black, a named gray color with HEX #1A1A1A.

The RGB channels are 10, 41, and 26, with green carrying the strongest channel weight. In HSL, the hue is 151deg with 61% saturation and 10% lightness, so this page treats it as a moderate-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 0.0172, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 21.93, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.34:1AA Fail

White text15.62:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #0A291A needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.34:1 · Fail

White text#FFFFFF15.62:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000

Carbon Black#FFFFFF text · best 19.55:1#0C0C0C

#290A19#FFFFFF text · best 18.23:1#290A19

Matte Black#FFFFFF text · best 17.41:1#1A1A1A

Carbon Fiber#FFFFFF text · best 17.05:1#1C1C1C

Generated Palette

#0A291A#0A291A

#290A19#290A19

#0A290A#0A290A

#0A2929#0A2929

#1C7349#1C7349

Black#000000

Color Harmonies

#290A19#290A19

#0A290A#0A290A

#0A2929#0A2929

#1A0A29#1A0A29

#291A0A#291A0A

Variants

#1C7349#1C7349

Black#000000

#042F1A#042F1A

#10231A#10231A

#30825B#30825B

#005C2F#005C2F

Nearest Named Colors

Matte Black#1A1A1A

Carbon Fiber#1C1C1C

Raisin#242124

British Racing Green#004225

Carbon Black#0C0C0C

#0A291A

CSS

Machine-Readable HEX Data (JSON)

About #0A291A

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides