#220B0B#220B0B

#220B0B is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.7% C 0.040 H 21.6°. Best body text is #FFFFFF at 18.74:1 contrast (WCAG AA passes).

Color values

HEX#220B0B
RGBrgb(34, 11, 11)
HSLhsl(0, 51%, 9%)
HSVhsv(0, 68%, 13%)
CMYKcmyk(0%, 67.6%, 67.6%, 86.7%)
CIE-LABlab(5.45, 10.90, 3.84)
CIE-LCHlch(5.45, 11.55, 19.42°)
OKLaboklab(18.68% 0.0369 0.0146)
OKLCHoklch(18.68% 0.04 21.6)
XYZxyz(0.8398, 0.6037, 0.3888)
Luminance0.0060 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#220B0B #0B2222
analogous
#220B17 #220B0B #22170B
triadic
#220B0B #0B220B #0B0B22
tetradic
#220B0B #17220B #0B2222 #170B22
square
#220B0B #17220B #0B2222 #170B22
split-complementary
#220B0B #0B2217 #0B1722
monochromatic
#170707 #170707 #220B0B #501A1A #7E2929

Accessibility & contrast

On white

18.74
#220B0B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.12
#220B0B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #220B0B
18.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##220B0B#FFFFFF#000000##FFFFFF
##220B0B1.0018.741.1218.74
#FFFFFF18.741.0021.001.00
#0000001.1221.001.0021.00
##FFFFFF18.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#100F0B
Deuteranopia (green-blind)
#16140B
Tritanopia (blue-blind)
#26080B
Achromatopsia (no color)
#121212

Design tokens & code

CSS
--color: #220b0b;
/* rgb */ color: rgb(34, 11, 11);
/* oklch */ color: oklch(18.7% 0.040 21.6);
Tailwind
colors: {
  custom: {
    50: '#5d4b4c',
    500: '#220b0b',
    950: '#000000',
  },
}
SCSS
$custom: #220b0b;
$custom-light: #5d4b4c;
$custom-dark: #000000;
JSON
{
  "hex": "#220b0b",
  "rgb": {
    "r": 34,
    "g": 11,
    "b": 11
  },
  "hsl": {
    "h": 0,
    "s": 51.111,
    "l": 8.824
  },
  "oklch": {
    "l": 0.18681,
    "c": 0.03965,
    "h": 21.6
  },
  "luminance": 0.00604
}

Semantic roles & 50–950 ramp

primary
#220B0B
secondary
#2C5D5D
accent
#DBDB4D
background
#F5F4F4
surface
#E9E7E7
border
#C5C3C3
text
#040101
muted
#797777

Preview Lab

Preview with #220B0B

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

Preview Lab → · Contrast checker → · Palette generator →

#220B0B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva