#280B01#280B01

#280B01 is a very dark, muted orange. Relative luminance 0.007; OKLCH L 19.6% C 0.054 H 43.9°. Best body text is #FFFFFF at 18.44:1 contrast (WCAG AA passes).

Color values

HEX#280B01
RGBrgb(40, 11, 1)
HSLhsl(15, 95%, 8%)
HSVhsv(15, 98%, 16%)
CMYKcmyk(0%, 72.5%, 97.5%, 84.3%)
CIE-LABlab(6.26, 13.63, 9.22)
CIE-LCHlch(6.26, 16.46, 34.07°)
OKLaboklab(19.6% 0.0387 0.0373)
OKLCHoklch(19.6% 0.054 43.9)
XYZxyz(1.0003, 0.6928, 0.1098)
Luminance0.0069 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#280B01 #011E28
analogous
#28010A #280B01 #281E01
triadic
#280B01 #01280B #0B0128
tetradic
#280B01 #0A2801 #011E28 #1E0128
square
#280B01 #0A2801 #011E28 #1E0128
split-complementary
#280B01 #01281E #010A28
monochromatic
#1E0801 #1E0801 #280B01 #641B02 #9F2C04

Accessibility & contrast

On white

18.44
#280B01 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.14
#280B01 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B01
18.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##280B01#FFFFFF#000000##FFFFFF
##280B011.0018.441.1418.44
#FFFFFF18.441.0021.001.00
#0000001.1421.001.0021.00
##FFFFFF18.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#131000
Deuteranopia (green-blind)
#1A1601
Tritanopia (blue-blind)
#2D0508
Achromatopsia (no color)
#141414

Design tokens & code

CSS
--color: #280b01;
/* rgb */ color: rgb(40, 11, 1);
/* oklch */ color: oklch(19.6% 0.054 43.9);
Tailwind
colors: {
  custom: {
    50: '#634b47',
    500: '#280b01',
    950: '#000000',
  },
}
SCSS
$custom: #280b01;
$custom-light: #634b47;
$custom-dark: #000000;
JSON
{
  "hex": "#280b01",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 1
  },
  "hsl": {
    "h": 15.385,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.19599,
    "c": 0.05375,
    "h": 43.9
  },
  "luminance": 0.00693
}

Semantic roles & 50–950 ramp

primary
#280B01
secondary
#16586F
accent
#C8FF29
background
#F6F4F3
surface
#EBE7E5
border
#C6C3C1
text
#060100
muted
#7A7777

Preview Lab

Preview with #280B01

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

Preview Lab → · Contrast checker → · Palette generator →

#280B01 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva