Colors Encyclopedia

HEX atlas value

#192E21

#192E21 is a cool green HEX color close to Slate Black. According to Colors Encyclopedia, it converts to RGB 25, 46, 33, HSL 143, 30%, 14%, has luminance 0.0227, and belongs to the dark and earth tone groups.

greencooldarkearth-tone
#192E21 Sample readable text
HEX #192E21
RGB rgb(25, 46, 33)
HSL hsl(143 30% 14%)
CMYK cmyk(46, 0, 28, 82)
Luminance 0.0227
Contrast Black 1.45:1White 14.44:1

CSS

--color-192e21: #192E21;
.background-192e21 { background-color: #192E21; }
.text-192e21 { color: #192E21; }

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
Luminance0.0227
Black text1.45:1AA Fail
White text14.44:1AA 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":"#192E21","rgb":[25,46,33],"hsl":[143,30,14],"cmyk":[46,0,28,82],"luminance":0.0227,"contrast":{"black":1.45,"white":14.44}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.45,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":14.44,"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 Fiber","hex":"#1C1C1C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.23,"contrastWhite":17.05,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#2E1926","hex":"#2E1926","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.28,"contrastWhite":16.36,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Raisin","hex":"#242124","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.32,"contrastWhite":15.93,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#212723","hex":"#212723","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.38,"contrastWhite":15.22,"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/192e21.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/slate-black.json","https://www.colorsencyclopedia.com/api/colors/raisin.json","https://www.colorsencyclopedia.com/api/colors/rubber.json"]}
Harmonies
{"complementary":"#2E1926","analogous":["#1B2E19","#192E2C"],"triadic":["#21192E","#2E2119"],"tetradic":["#191B2E","#2E1926","#2E2C19"],"splitComplementary":["#2C192E","#2E191B"],"monochromatic":["#396A4C","#192E21","#000000"]}
Variants
{"light":"#396A4C","dark":"#000000","saturated":"#11361F","desaturated":"#212723","pastel":"#557260","neon":"#00702B"}
Nearest named colors
[{"slug":"slate-black","name":"Slate Black","hex":"#26282A","distance":16.911534525287763},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":17.291616465790582},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":18.81488772222678},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":18.920887928424502},{"slug":"asphalt","name":"Asphalt","hex":"#2B2B2B","distance":20.808652046684813}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #192E21

#192E21 is classified as a cool green value with dark and earth tone visual character. #192E21 is visually closest to Slate Black, a named gray color with HEX #26282A.

The RGB channels are 25, 46, and 33, with green carrying the strongest channel weight. In HSL, the hue is 143deg with 30% saturation and 14% 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 0.0227, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 16.91, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.45:1AA Fail
White text14.44:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #192E21 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.45:1 · Fail
White text#FFFFFF14.44:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
Carbon Fiber#FFFFFF text · best 17.05:1#1C1C1C
#2E1926#FFFFFF text · best 16.36:1#2E1926
Raisin#FFFFFF text · best 15.93:1#242124
#212723#FFFFFF text · best 15.22:1#212723

Generated Palette

#192E21#192E21
#2E1926#2E1926
#1B2E19#1B2E19
#192E2C#192E2C
#396A4C#396A4C
Black#000000

Color Harmonies

#2E1926#2E1926
#1B2E19#1B2E19
#192E2C#192E2C
#21192E#21192E
#2E2119#2E2119

Variants

#396A4C#396A4C
Black#000000
#11361F#11361F
#212723#212723
#557260#557260
#00702B#00702B

Nearest Named Colors

Slate Black#26282A
Raisin#242124
Rubber#2A2725
Carbon Fiber#1C1C1C
Asphalt#2B2B2B

Related HEX Guides

Slate Black colorOpen the nearest named color reference for #26282A.Raisin colorOpen the nearest named color reference for #242124.Rubber colorOpen the nearest named color reference for #2A2725.Green color familyBrowse named green colors related to this HEX value.Cool colorsExplore colors with similar temperature behavior.Dark colorsFind colors in the dark group.Earth Tone colorsFind colors in the earth tone 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.#192E21 APIOpen the machine-readable JSON record for this HEX value.