#281B05#281B05

#281B05 is a very dark, muted orange. Relative luminance 0.012; OKLCH L 23.3% C 0.041 H 78.4°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX#281B05
RGBrgb(40, 27, 5)
HSLhsl(38, 78%, 9%)
HSVhsv(38, 88%, 16%)
CMYKcmyk(0%, 32.5%, 87.5%, 84.3%)
CIE-LABlab(10.89, 3.49, 14.26)
CIE-LCHlch(10.89, 14.68, 76.25°)
OKLaboklab(23.31% 0.0082 0.0399)
OKLCHoklch(23.31% 0.041 78.4)
XYZxyz(1.2945, 1.2460, 0.3159)
Luminance0.0125 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#281B05 #051228
analogous
#280A05 #281B05 #242805
triadic
#281B05 #05281B #1B0528
tetradic
#281B05 #05280A #051228 #280524
square
#281B05 #05280A #051228 #280524
split-complementary
#281B05 #052428 #0A0528
monochromatic
#1B1203 #1B1203 #281B05 #5E400C #956413

Accessibility & contrast

On white

16.81
#281B05 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.25
#281B05 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281B05
16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##281B05#FFFFFF#000000##FFFFFF
##281B051.0016.811.2516.81
#FFFFFF16.811.0021.001.00
#0000001.2521.001.0021.00
##FFFFFF16.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#201B03
Deuteranopia (green-blind)
#231F06
Tritanopia (blue-blind)
#2C1716
Achromatopsia (no color)
#1D1D1D

Design tokens & code

CSS
--color: #281b05;
/* rgb */ color: rgb(40, 27, 5);
/* oklch */ color: oklch(23.3% 0.041 78.4);
Tailwind
colors: {
  custom: {
    50: '#635749',
    500: '#281b05',
    950: '#000000',
  },
}
SCSS
$custom: #281b05;
$custom-light: #635749;
$custom-dark: #000000;
JSON
{
  "hex": "#281b05",
  "rgb": {
    "r": 40,
    "g": 27,
    "b": 5
  },
  "hsl": {
    "h": 37.714,
    "s": 77.778,
    "l": 8.824
  },
  "oklch": {
    "l": 0.23312,
    "c": 0.04072,
    "h": 78.4
  },
  "luminance": 0.01246
}

Semantic roles & 50–950 ramp

primary
#281B05
secondary
#1F3B6A
accent
#7BF434
background
#F6F5F4
surface
#EBE9E6
border
#C6C5C2
text
#050300
muted
#7A7877

Preview Lab

Preview with #281B05

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

Preview Lab → · Contrast checker → · Palette generator →

#281B05 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva