#280B06#280B06

#280B06 is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.7% C 0.050 H 32.7°. Best body text is #FFFFFF at 18.41:1 contrast (WCAG AA passes).

Color values

HEX#280B06
RGBrgb(40, 11, 6)
HSLhsl(9, 74%, 9%)
HSVhsv(9, 85%, 16%)
CMYKcmyk(0%, 72.5%, 85%, 84.3%)
CIE-LABlab(6.36, 14.20, 7.33)
CIE-LCHlch(6.36, 15.98, 27.29°)
OKLaboklab(19.72% 0.0424 0.0272)
OKLCHoklch(19.72% 0.05 32.7)
XYZxyz(1.0277, 0.7037, 0.2540)
Luminance0.0070 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#280B06 #062328
analogous
#280612 #280B06 #281C06
triadic
#280B06 #06280B #0B0628
tetradic
#280B06 #122806 #062328 #1C0628
square
#280B06 #122806 #062328 #1C0628
split-complementary
#280B06 #06281C #061228
monochromatic
#1B0704 #1B0704 #280B06 #5D1A0E #922816

Accessibility & contrast

On white

18.41
#280B06 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.14
#280B06 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B06
18.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##280B06#FFFFFF#000000##FFFFFF
##280B061.0018.411.1418.41
#FFFFFF18.411.0021.001.00
#0000001.1421.001.0021.00
##FFFFFF18.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#131006
Deuteranopia (green-blind)
#1A1605
Tritanopia (blue-blind)
#2D060A
Achromatopsia (no color)
#141414

Design tokens & code

CSS
--color: #280b06;
/* rgb */ color: rgb(40, 11, 6);
/* oklch */ color: oklch(19.7% 0.050 32.7);
Tailwind
colors: {
  custom: {
    50: '#634b49',
    500: '#280b06',
    950: '#000000',
  },
}
SCSS
$custom: #280b06;
$custom-light: #634b49;
$custom-dark: #000000;
JSON
{
  "hex": "#280b06",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 6
  },
  "hsl": {
    "h": 8.824,
    "s": 73.913,
    "l": 9.02
  },
  "oklch": {
    "l": 0.19723,
    "c": 0.05039,
    "h": 32.7
  },
  "luminance": 0.00704
}

Semantic roles & 50–950 ramp

primary
#280B06
secondary
#215E69
accent
#D5F137
background
#F6F4F4
surface
#EBE7E6
border
#C6C3C2
text
#050100
muted
#7A7777

Preview Lab

Preview with #280B06

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

Preview Lab → · Contrast checker → · Palette generator →

#280B06 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva