#281B03#281B03

#281B03 is a very dark, muted orange. Relative luminance 0.012; OKLCH L 23.3% C 0.043 H 80.6°. Best body text is #FFFFFF at 16.82:1 contrast (WCAG AA passes).

Color values

HEX#281B03
RGBrgb(40, 27, 3)
HSLhsl(39, 86%, 8%)
HSVhsv(39, 93%, 16%)
CMYKcmyk(0%, 32.5%, 92.5%, 84.3%)
CIE-LABlab(10.86, 3.28, 15.03)
CIE-LCHlch(10.86, 15.39, 77.68°)
OKLaboklab(23.28% 0.0071 0.0428)
OKLCHoklch(23.28% 0.043 80.6)
XYZxyz(1.2835, 1.2417, 0.2582)
Luminance0.0124 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#281B03 #031028
analogous
#280803 #281B03 #222803
triadic
#281B03 #03281B #1B0328
tetradic
#281B03 #032808 #031028 #280322
square
#281B03 #032808 #031028 #280322
split-complementary
#281B03 #032228 #080328
monochromatic
#1C1302 #1C1302 #281B03 #614107 #9A680C

Accessibility & contrast

On white

16.82
#281B03 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.25
#281B03 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281B03
16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##281B03#FFFFFF#000000##FFFFFF
##281B031.0016.821.2516.82
#FFFFFF16.821.0021.001.00
#0000001.2521.001.0021.00
##FFFFFF16.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#201B01
Deuteranopia (green-blind)
#231F04
Tritanopia (blue-blind)
#2C1716
Achromatopsia (no color)
#1D1D1D

Design tokens & code

CSS
--color: #281b03;
/* rgb */ color: rgb(40, 27, 3);
/* oklch */ color: oklch(23.3% 0.043 80.6);
Tailwind
colors: {
  custom: {
    50: '#635748',
    500: '#281b03',
    950: '#000000',
  },
}
SCSS
$custom: #281b03;
$custom-light: #635748;
$custom-dark: #000000;
JSON
{
  "hex": "#281b03",
  "rgb": {
    "r": 40,
    "g": 27,
    "b": 3
  },
  "hsl": {
    "h": 38.919,
    "s": 86.047,
    "l": 8.431
  },
  "oklch": {
    "l": 0.23277,
    "c": 0.04336,
    "h": 80.6
  },
  "luminance": 0.01242
}

Semantic roles & 50–950 ramp

primary
#281B03
secondary
#1B376C
accent
#75FC2C
background
#F6F5F4
surface
#EBE9E6
border
#C6C5C2
text
#050300
muted
#7A7877

Preview Lab

Preview with #281B03

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#281B03 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva