#22100B#22100B

#22100B is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.8% C 0.032 H 36.3°. Best body text is #FFFFFF at 18.31:1 contrast (WCAG AA passes).

Color values

HEX	#22100B
RGB	rgb(34, 16, 11)
HSL	hsl(13, 51%, 9%)
HSV	hsv(13, 68%, 13%)
CMYK	cmyk(0%, 52.9%, 67.6%, 86.7%)
CIE-LAB	lab(6.64, 8.41, 5.57)
CIE-LCH	lch(6.64, 10.09, 33.51°)
OKLab	oklab(19.77% 0.0259 0.0191)
OKLCH	oklch(19.77% 0.032 36.3)
XYZ	xyz(0.9054, 0.7349, 0.4107)
Luminance	0.0073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#22100B #0B1D22

analogous

#220B12 #22100B #221C0B

triadic

#22100B #0B2210 #100B22

tetradic

#22100B #12220B #0B1D22 #1C0B22

square

#22100B #12220B #0B1D22 #1C0B22

split-complementary

#22100B #0B221C #0B1222

monochromatic

#170B07 #170B07 #22100B #50261A #7E3C29

Accessibility & contrast

On white

18.31

#22100B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#22100B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #22100B

18.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##22100B	#FFFFFF	#000000	##FFFFFF
##22100B	1.00	18.31	1.15	18.31
#FFFFFF	18.31	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14120B

Deuteranopia (green-blind)

#19160B

Tritanopia (blue-blind)

#260D0F

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #22100b;
/* rgb */ color: rgb(34, 16, 11);
/* oklch */ color: oklch(19.8% 0.032 36.3);

Tailwind

colors: {
  custom: {
    50: '#5d4e4c',
    500: '#22100b',
    950: '#000000',
  },
}

SCSS

$custom: #22100b;
$custom-light: #5d4e4c;
$custom-dark: #000000;

JSON

{
  "hex": "#22100b",
  "rgb": {
    "r": 34,
    "g": 16,
    "b": 11
  },
  "hsl": {
    "h": 13.043,
    "s": 51.111,
    "l": 8.824
  },
  "oklch": {
    "l": 0.19773,
    "c": 0.03219,
    "h": 36.3
  },
  "luminance": 0.00735
}

Semantic roles & 50–950 ramp

primary

#22100B

secondary

#2C525D

accent

#BCDB4D

background

#F5F4F4

surface

#E9E7E7

border

#C5C3C3

text

#040101

muted

#797777

Preview Lab

Preview with #22100B

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

Preview Lab → · Contrast checker → · Palette generator →