Colors Encyclopedia

HEX atlas value

#302B03

#302B03 is a warm yellow HEX color close to Rubber. According to Colors Encyclopedia, it converts to RGB 48, 43, 3, HSL 53, 88%, 10%, has luminance 0.0236, and belongs to the dark group.

yellowwarmdark
#302B03 Sample readable text
HEX #302B03
RGB rgb(48, 43, 3)
HSL hsl(53 88% 10%)
CMYK cmyk(0, 10, 94, 81)
Luminance 0.0236
Contrast Black 1.47:1White 14.27:1

CSS

--color-302b03: #302B03;
.background-302b03 { background-color: #302B03; }
.text-302b03 { color: #302B03; }

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
Luminance0.0236
Black text1.47:1AA Fail
White text14.27:1AA 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":"#302B03","rgb":[48,43,3],"hsl":[53,88,10],"cmyk":[0,10,94,81],"luminance":0.0236,"contrast":{"black":1.47,"white":14.27}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.47,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":14.27,"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":"#030830","hex":"#030830","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.08,"contrastWhite":19.41,"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":"#301403","hex":"#301403","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.23,"contrastWhite":17.1,"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":["warm yellow","dark","dark yellow","Rubber adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","dark theme accents","highlight and warning systems"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/302b03.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/rubber.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json","https://www.colorsencyclopedia.com/api/colors/matte-black.json"]}
Harmonies
{"complementary":"#030830","analogous":["#301403","#1F3003"],"triadic":["#03302B","#2B0330"],"tetradic":["#033014","#030830","#30031F"],"splitComplementary":["#031F30","#140330"],"monochromatic":["#867809","#302B03","#000000"]}
Variants
{"light":"#867809","dark":"#000000","saturated":"#332D00","desaturated":"#2A2609","pastel":"#9A8B18","neon":"#5C5100"}
Nearest named colors
[{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":34.75629439396553},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":35.35533905932738},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":36.08323710533743},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":36.51027252705737},{"slug":"asphalt","name":"Asphalt","hex":"#2B2B2B","distance":40.311288741492746}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #302B03

#302B03 is classified as a warm yellow value with dark visual character. #302B03 is visually closest to Rubber, a named gray color with HEX #2A2725.

The RGB channels are 48, 43, and 3, with red carrying the strongest channel weight. In HSL, the hue is 53deg with 88% saturation and 10% 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 0.0236, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 34.76, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.47:1AA Fail
White text14.27:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #302B03 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.47:1 · Fail
White text#FFFFFF14.27:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
#030830#FFFFFF text · best 19.41:1#030830
Matte Black#FFFFFF text · best 17.41:1#1A1A1A
#301403#FFFFFF text · best 17.1:1#301403
Carbon Fiber#FFFFFF text · best 17.05:1#1C1C1C

Generated Palette

#302B03#302B03
#030830#030830
#301403#301403
#1F3003#1F3003
#867809#867809
Black#000000

Color Harmonies

#030830#030830
#301403#301403
#1F3003#1F3003
#03302B#03302B
#2B0330#2B0330

Variants

#867809#867809
Black#000000
#332D00#332D00
#2A2609#2A2609
#9A8B18#9A8B18
#5C5100#5C5100

Nearest Named Colors

Rubber#2A2725
Carbon Fiber#1C1C1C
Matte Black#1A1A1A
Raisin#242124
Asphalt#2B2B2B

Related HEX Guides

Rubber colorOpen the nearest named color reference for #2A2725.Carbon Fiber colorOpen the nearest named color reference for #1C1C1C.Matte Black colorOpen the nearest named color reference for #1A1A1A.Yellow color familyBrowse named yellow 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.#302B03 APIOpen the machine-readable JSON record for this HEX value.