#281B04#281B04

#281B04 is a very dark, muted orange. Relative luminance 0.012; OKLCH L 23.3% C 0.042 H 79.5°. Best body text is #FFFFFF at 16.82:1 contrast (WCAG AA passes).

Color values

HEX#281B04
RGBrgb(40, 27, 4)
HSLhsl(38, 82%, 9%)
HSVhsv(38, 90%, 16%)
CMYKcmyk(0%, 32.5%, 90%, 84.3%)
CIE-LABlab(10.88, 3.39, 14.65)
CIE-LCHlch(10.88, 15.03, 76.97°)
OKLaboklab(23.29% 0.0077 0.0413)
OKLCHoklch(23.29% 0.042 79.5)
XYZxyz(1.2890, 1.2438, 0.2870)
Luminance0.0124 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#281B04 #041128
analogous
#280904 #281B04 #232804
triadic
#281B04 #04281B #1B0428
tetradic
#281B04 #042809 #041128 #280423
square
#281B04 #042809 #041128 #280423
split-complementary
#281B04 #042328 #090428
monochromatic
#1C1303 #1C1303 #281B04 #60410A #97660F

Accessibility & contrast

On white

16.82
#281B04 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.25
#281B04 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281B04
16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##281B04#FFFFFF#000000##FFFFFF
##281B041.0016.821.2516.82
#FFFFFF16.821.0021.001.00
#0000001.2521.001.0021.00
##FFFFFF16.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#201B02
Deuteranopia (green-blind)
#231F05
Tritanopia (blue-blind)
#2C1716
Achromatopsia (no color)
#1D1D1D

Design tokens & code

CSS
--color: #281b04;
/* rgb */ color: rgb(40, 27, 4);
/* oklch */ color: oklch(23.3% 0.042 79.5);
Tailwind
colors: {
  custom: {
    50: '#635748',
    500: '#281b04',
    950: '#000000',
  },
}
SCSS
$custom: #281b04;
$custom-light: #635748;
$custom-dark: #000000;
JSON
{
  "hex": "#281b04",
  "rgb": {
    "r": 40,
    "g": 27,
    "b": 4
  },
  "hsl": {
    "h": 38.333,
    "s": 81.818,
    "l": 8.627
  },
  "oklch": {
    "l": 0.23294,
    "c": 0.04202,
    "h": 79.5
  },
  "luminance": 0.01244
}

Semantic roles & 50–950 ramp

primary
#281B04
secondary
#1D396B
accent
#78F830
background
#F6F5F4
surface
#EBE9E6
border
#C6C5C2
text
#050300
muted
#7A7877

Preview Lab

Preview with #281B04

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

Preview Lab → · Contrast checker → · Palette generator →

#281B04 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva