#281B01#281B01

#281B01 is a very dark, muted orange. Relative luminance 0.012; OKLCH L 23.2% C 0.046 H 82.7°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX#281B01
RGBrgb(40, 27, 1)
HSLhsl(40, 95%, 8%)
HSVhsv(40, 98%, 16%)
CMYKcmyk(0%, 32.5%, 97.5%, 84.3%)
CIE-LABlab(10.83, 3.08, 15.80)
CIE-LCHlch(10.83, 16.10, 78.96°)
OKLaboklab(23.24% 0.0059 0.0458)
OKLCHoklch(23.24% 0.046 82.7)
XYZxyz(1.2726, 1.2373, 0.2005)
Luminance0.0124 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#281B01 #010E28
analogous
#280701 #281B01 #212801
triadic
#281B01 #01281B #1B0128
tetradic
#281B01 #012807 #010E28 #280121
square
#281B01 #012807 #010E28 #280121
split-complementary
#281B01 #012128 #070128
monochromatic
#1E1401 #1E1401 #281B01 #644302 #9F6C04

Accessibility & contrast

On white

16.84
#281B01 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.25
#281B01 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281B01
16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##281B01#FFFFFF#000000##FFFFFF
##281B011.0016.841.2516.84
#FFFFFF16.841.0021.001.00
#0000001.2521.001.0021.00
##FFFFFF16.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#201B00
Deuteranopia (green-blind)
#231E02
Tritanopia (blue-blind)
#2D1716
Achromatopsia (no color)
#1D1D1D

Design tokens & code

CSS
--color: #281b01;
/* rgb */ color: rgb(40, 27, 1);
/* oklch */ color: oklch(23.2% 0.046 82.7);
Tailwind
colors: {
  custom: {
    50: '#635747',
    500: '#281b01',
    950: '#000000',
  },
}
SCSS
$custom: #281b01;
$custom-light: #635747;
$custom-dark: #000000;
JSON
{
  "hex": "#281b01",
  "rgb": {
    "r": 40,
    "g": 27,
    "b": 1
  },
  "hsl": {
    "h": 40,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.23242,
    "c": 0.04619,
    "h": 82.7
  },
  "luminance": 0.01237
}

Semantic roles & 50–950 ramp

primary
#281B01
secondary
#16346F
accent
#70FF29
background
#F6F5F3
surface
#EBE9E5
border
#C6C5C1
text
#050300
muted
#7A7877

Preview Lab

Preview with #281B01

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

Preview Lab → · Contrast checker → · Palette generator →

#281B01 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva