Colors Encyclopedia

HEX atlas value

#1B0F03

#1B0F03 is a warm orange HEX color close to Carbon Black. According to Colors Encyclopedia, it converts to RGB 27, 15, 3, HSL 30, 80%, 6%, has luminance 0.0058, and belongs to the dark group.

orangewarmdark
#1B0F03 Sample readable text
HEX #1B0F03
RGB rgb(27, 15, 3)
HSL hsl(30 80% 6%)
CMYK cmyk(0, 44, 89, 89)
Luminance 0.0058
Contrast Black 1.12:1White 18.82:1

CSS

--color-1b0f03: #1B0F03;
.background-1b0f03 { background-color: #1B0F03; }
.text-1b0f03 { color: #1B0F03; }

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
Luminance0.0058
Black text1.12:1AA Fail
White text18.82:1AA 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":"#1B0F03","rgb":[27,15,3],"hsl":[30,80,6],"cmyk":[0,44,89,89],"luminance":0.0058,"contrast":{"black":1.12,"white":18.82}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.12,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":18.82,"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":"#1C0303","hex":"#1C0303","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.06,"contrastWhite":19.74,"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":"#030F1C","hex":"#030F1C","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.09,"contrastWhite":19.3,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#180F06","hex":"#180F06","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.11,"contrastWhite":18.92,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm orange","dark","dark orange","Carbon Black adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","dark theme accents"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/1b0f03.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/carbon-black.json","https://www.colorsencyclopedia.com/api/colors/matte-black.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json"]}
Harmonies
{"complementary":"#030F1C","analogous":["#1C0303","#1C1C03"],"triadic":["#031C0F","#0F031C"],"tetradic":["#031C03","#030F1C","#1C031C"],"splitComplementary":["#031C1C","#03031C"],"monochromatic":["#6E3D0C","#1B0F03","#000000"]}
Variants
{"light":"#6E3D0C","dark":"#000000","saturated":"#1F0F00","desaturated":"#180F06","pastel":"#824F1C","neon":"#472400"}
Nearest named colors
[{"slug":"carbon-black","name":"Carbon Black","hex":"#0C0C0C","distance":17.74823934929885},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":25.514701644346147},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":28.19574435974337},{"slug":"black","name":"Black","hex":"#000000","distance":31.0322412983658},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":38.65229618017538}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #1B0F03

#1B0F03 is classified as a warm orange value with dark visual character. #1B0F03 is visually closest to Carbon Black, a named gray color with HEX #0C0C0C.

The RGB channels are 27, 15, and 3, with red carrying the strongest channel weight. In HSL, the hue is 30deg with 80% saturation and 6% lightness, so this page treats it as a high-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 dark theme accents. Its luminance is 0.0058, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 17.75, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.12:1AA Fail
White text18.82:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #1B0F03 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.12:1 · Fail
White text#FFFFFF18.82:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
#1C0303#FFFFFF text · best 19.74:1#1C0303
Carbon Black#FFFFFF text · best 19.55:1#0C0C0C
#030F1C#FFFFFF text · best 19.3:1#030F1C
#180F06#FFFFFF text · best 18.92:1#180F06

Generated Palette

#1B0F03#1B0F03
#030F1C#030F1C
#1C0303#1C0303
#1C1C03#1C1C03
#6E3D0C#6E3D0C
Black#000000

Color Harmonies

#030F1C#030F1C
#1C0303#1C0303
#1C1C03#1C1C03
#031C0F#031C0F
#0F031C#0F031C

Variants

#6E3D0C#6E3D0C
Black#000000
#1F0F00#1F0F00
#180F06#180F06
#824F1C#824F1C
#472400#472400

Nearest Named Colors

Carbon Black#0C0C0C
Matte Black#1A1A1A
Carbon Fiber#1C1C1C
Black#000000
Raisin#242124

Related HEX Guides

Carbon Black colorOpen the nearest named color reference for #0C0C0C.Matte Black colorOpen the nearest named color reference for #1A1A1A.Carbon Fiber colorOpen the nearest named color reference for #1C1C1C.Orange color familyBrowse named orange colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Dark colorsFind colors in the dark 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.#1B0F03 APIOpen the machine-readable JSON record for this HEX value.