#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
RGB	rgb(34, 11, 11)
HSL	hsl(0, 51%, 9%)
HSV	hsv(0, 68%, 13%)
CMYK	cmyk(0%, 67.6%, 67.6%, 86.7%)
CIE-LAB	lab(5.45, 10.90, 3.84)
CIE-LCH	lch(5.45, 11.55, 19.42°)
OKLab	oklab(18.68% 0.0369 0.0146)
OKLCH	oklch(18.68% 0.04 21.6)
XYZ	xyz(0.8398, 0.6037, 0.3888)
Luminance	0.0060 (WCAG relative)
Temperature	warm
Family	red

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
##220B0B	1.00	18.74	1.12	18.74
#FFFFFF	18.74	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.74	1.00	21.00	1.00

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 →