HEX atlas value

#1B412F

#1B412F is a cool green HEX color close to Charcoal Blue. According to Colors Encyclopedia, it converts to RGB 27, 65, 47, HSL 152, 41%, 18%, has luminance 0.0422, and belongs to the dark and earth tone groups.

green cool dark earth-tone

#1B412F Sample readable text

HEX #1B412F

RGB rgb(27, 65, 47)

HSL hsl(152 41% 18%)

CMYK cmyk(58, 0, 28, 75)

Luminance 0.0422

Contrast Black 1.84:1White 11.39:1

CSS

--color-1b412f: #1B412F;
.background-1b412f { background-color: #1B412F; }
.text-1b412f { color: #1B412F; }

Luminance0.0422

Black text1.84:1AA Fail

White text11.39:1AA 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":"#1B412F","rgb":[27,65,47],"hsl":[152,41,18],"cmyk":[58,0,28,75],"luminance":0.0422,"contrast":{"black":1.84,"white":11.39}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":1.84,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":11.39,"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":"#411B2D","hex":"#411B2D","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.42,"contrastWhite":14.79,"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":"Asphalt","hex":"#2B2B2B","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.48,"contrastWhite":14.15,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Charcoal Blue","hex":"#263238","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.6,"contrastWhite":13.16,"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/1b412f.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/charcoal-blue.json","https://www.colorsencyclopedia.com/api/colors/gunmetal.json","https://www.colorsencyclopedia.com/api/colors/asphalt.json"]}

Harmonies

{"complementary":"#411B2D","analogous":["#1B411C","#1B3F41"],"triadic":["#2F1B41","#412F1B"],"tetradic":["#1C1B41","#411B2D","#3F411B"],"splitComplementary":["#411B3F","#411C1B"],"monochromatic":["#36815E","#1B412F","#000000"]}

Variants

{"light":"#36815E","dark":"#000000","saturated":"#114B30","desaturated":"#25372E","pastel":"#518A70","neon":"#008547"}

Nearest named colors

[{"slug":"charcoal-blue","name":"Charcoal Blue","hex":"#263238","distance":20.663978319771825},{"slug":"gunmetal","name":"Gunmetal","hex":"#2A3439","distance":22.22611077089287},{"slug":"asphalt","name":"Asphalt","hex":"#2B2B2B","distance":27.49545416973504},{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":27.76688675382964},{"slug":"jet","name":"Jet","hex":"#343434","distance":28.61817604250837}]

HEX meaning and use

About #1B412F

#1B412F is classified as a cool green value with dark and earth tone visual character. #1B412F is visually closest to Charcoal Blue, a named blue color with HEX #263238.

The RGB channels are 27, 65, and 47, with green carrying the strongest channel weight. In HSL, the hue is 152deg with 41% 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 0.0422, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 20.66, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.84:1AA Fail

White text11.39:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #1B412F needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.84:1 · Fail

White text#FFFFFF11.39:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000

#411B2D#FFFFFF text · best 14.79:1#411B2D

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

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

Charcoal Blue#FFFFFF text · best 13.16:1#263238

Generated Palette

#1B412F#1B412F

#411B2D#411B2D

#1B411C#1B411C

#1B3F41#1B3F41

#36815E#36815E

Black#000000

Color Harmonies

#411B2D#411B2D

#1B411C#1B411C

#1B3F41#1B3F41

#2F1B41#2F1B41

#412F1B#412F1B

Variants

#36815E#36815E

Black#000000

#114B30#114B30

#25372E#25372E

#518A70#518A70

#008547#008547

Nearest Named Colors

Charcoal Blue#263238

Gunmetal#2A3439

Asphalt#2B2B2B

Slate Black#26282A

Jet#343434

#1B412F

CSS

Machine-Readable HEX Data (JSON)

About #1B412F

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides