#220B0A#220B0A

#220B0A is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.7% C 0.040 H 24.2°. Best body text is #FFFFFF at 18.75:1 contrast (WCAG AA passes).

Color values

HEX#220B0A
RGBrgb(34, 11, 10)
HSLhsl(3, 55%, 9%)
HSVhsv(3, 71%, 13%)
CMYKcmyk(0%, 67.6%, 70.6%, 86.7%)
CIE-LABlab(5.43, 10.76, 4.23)
CIE-LCHlch(5.43, 11.56, 21.45°)
OKLaboklab(18.65% 0.0363 0.0163)
OKLCHoklch(18.65% 0.04 24.2)
XYZxyz(0.8342, 0.6014, 0.3593)
Luminance0.0060 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#220B0A #0A2122
analogous
#220A15 #220B0A #22170A
triadic
#220B0A #0A220B #0B0A22
tetradic
#220B0A #15220A #0A2122 #170A22
square
#220B0A #15220A #0A2122 #170A22
split-complementary
#220B0A #0A2217 #0A1522
monochromatic
#180807 #180807 #220B0A #511A18 #812A26

Accessibility & contrast

On white

18.75
#220B0A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.12
#220B0A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #220B0A
18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##220B0A#FFFFFF#000000##FFFFFF
##220B0A1.0018.751.1218.75
#FFFFFF18.751.0021.001.00
#0000001.1221.001.0021.00
##FFFFFF18.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#100F0A
Deuteranopia (green-blind)
#16140A
Tritanopia (blue-blind)
#26080B
Achromatopsia (no color)
#121212

Design tokens & code

CSS
--color: #220b0a;
/* rgb */ color: rgb(34, 11, 10);
/* oklch */ color: oklch(18.7% 0.040 24.2);
Tailwind
colors: {
  custom: {
    50: '#5d4b4b',
    500: '#220b0a',
    950: '#000000',
  },
}
SCSS
$custom: #220b0a;
$custom-light: #5d4b4b;
$custom-dark: #000000;
JSON
{
  "hex": "#220b0a",
  "rgb": {
    "r": 34,
    "g": 11,
    "b": 10
  },
  "hsl": {
    "h": 2.5,
    "s": 54.545,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18652,
    "c": 0.03983,
    "h": 24.2
  },
  "luminance": 0.00601
}

Semantic roles & 50–950 ramp

primary
#220B0A
secondary
#2A5C5E
accent
#D8DE4A
background
#F5F4F4
surface
#E9E7E7
border
#C5C3C3
text
#040101
muted
#797777

Preview Lab

Preview with #220B0A

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

Preview Lab → · Contrast checker → · Palette generator →

#220B0A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva