HEX atlas value

#1D3E1E

#1D3E1E is a cool green HEX color close to Slate Black. According to Colors Encyclopedia, it converts to RGB 29, 62, 30, HSL 122, 36%, 18%, has luminance 0.038, and belongs to the dark and earth tone groups.

green cool dark earth-tone

#1D3E1E Sample readable text

HEX #1D3E1E

RGB rgb(29, 62, 30)

HSL hsl(122 36% 18%)

CMYK cmyk(53, 0, 52, 76)

Luminance 0.038

Contrast Black 1.76:1White 11.93:1

CSS

--color-1d3e1e: #1D3E1E;
.background-1d3e1e { background-color: #1D3E1E; }
.text-1d3e1e { color: #1D3E1E; }

Luminance0.038

Black text1.76:1AA Fail

White text11.93:1AA 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":"#1D3E1E","rgb":[29,62,30],"hsl":[122,36,18],"cmyk":[53,0,52,76],"luminance":0.038,"contrast":{"black":1.76,"white":11.93}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":1.76,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":11.93,"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":"#3E1D3D","hex":"#3E1D3D","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","Slate Black 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/1d3e1e.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/slate-black.json","https://www.colorsencyclopedia.com/api/colors/asphalt.json","https://www.colorsencyclopedia.com/api/colors/rubber.json"]}

Harmonies

{"complementary":"#3E1D3D","analogous":["#2D3E1D","#1D3E2F"],"triadic":["#1E1D3E","#3E1E1D"],"tetradic":["#1D2D3E","#3E1D3D","#3E2F1D"],"splitComplementary":["#2F1D3E","#3E1D2D"],"monochromatic":["#3B7D3D","#1D3E1E","#000000"]}

Variants

{"light":"#3B7D3D","dark":"#000000","saturated":"#134915","desaturated":"#273428","pastel":"#578558","neon":"#008504"}

Nearest named colors

[{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":26.627053911388696},{"slug":"asphalt","name":"Asphalt","hex":"#2B2B2B","distance":26.94438717061496},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":27.331300737432898},{"slug":"charcoal-blue","name":"Charcoal Blue","hex":"#263238","distance":30.01666203960727},{"slug":"british-racing-green","name":"British Racing Green","hex":"#004225","distance":30.099833886584822}]

HEX meaning and use

About #1D3E1E

#1D3E1E is classified as a cool green value with dark and earth tone visual character. #1D3E1E is visually closest to Slate Black, a named gray color with HEX #26282A.

The RGB channels are 29, 62, and 30, with green carrying the strongest channel weight. In HSL, the hue is 122deg with 36% saturation and 18% 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 0.038, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 26.63, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.76:1AA Fail

White text11.93:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #1D3E1E needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.76:1 · Fail

White text#FFFFFF11.93:1 · 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

#3E1D3D#FFFFFF text · best 14.5:1#3E1D3D

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

Generated Palette

#1D3E1E#1D3E1E

#3E1D3D#3E1D3D

#2D3E1D#2D3E1D

#1D3E2F#1D3E2F

#3B7D3D#3B7D3D

Black#000000

Color Harmonies

#3E1D3D#3E1D3D

#2D3E1D#2D3E1D

#1D3E2F#1D3E2F

#1E1D3E#1E1D3E

#3E1E1D#3E1E1D

Variants

#3B7D3D#3B7D3D

Black#000000

#134915#134915

#273428#273428

#578558#578558

#008504#008504

Nearest Named Colors

Slate Black#26282A

Asphalt#2B2B2B

Rubber#2A2725

Charcoal Blue#263238

British Racing Green#004225

#1D3E1E

CSS

Machine-Readable HEX Data (JSON)

About #1D3E1E

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides