#6B221D#6B221D

#6B221D is a dark, moderate red. Relative luminance 0.044; OKLCH L 36.4% C 0.105 H 27.4°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#6B221D
RGB	rgb(107, 34, 29)
HSL	hsl(4, 57%, 27%)
HSV	hsv(4, 73%, 42%)
CMYK	cmyk(0%, 68.2%, 72.9%, 58%)
CIE-LAB	lab(24.83, 32.18, 20.97)
CIE-LCH	lch(24.83, 38.41, 33.09°)
OKLab	oklab(36.43% 0.0934 0.0485)
OKLCH	oklch(36.43% 0.105 27.4)
XYZ	xyz(6.8579, 4.3595, 1.6425)
Luminance	0.0436 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B221D #1D666B

analogous

#6B1D3F #6B221D #6B491D

triadic

#6B221D #1D6B22 #221D6B

tetradic

#6B221D #3F6B1D #1D666B #491D6B

square

#6B221D #3F6B1D #1D666B #491D6B

split-complementary

#6B221D #1D6B49 #1D3F6B

monochromatic

#180807 #3B1310 #6B221D #9B312A #C94239

Accessibility & contrast

On white

11.22

#6B221D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#6B221D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B221D

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B221D	#FFFFFF	#000000	##FFFFFF
##6B221D	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36311C

Deuteranopia (green-blind)

#48411B

Tritanopia (blue-blind)

#761021

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #6b221d;
/* rgb */ color: rgb(107, 34, 29);
/* oklch */ color: oklch(36.4% 0.105 27.4);

Tailwind

colors: {
  custom: {
    50: '#9b6159',
    500: '#6b221d',
    950: '#000000',
  },
}

SCSS

$custom: #6b221d;
$custom-light: #9b6159;
$custom-dark: #000000;

JSON

{
  "hex": "#6b221d",
  "rgb": {
    "r": 107,
    "g": 34,
    "b": 29
  },
  "hsl": {
    "h": 3.846,
    "s": 57.353,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36428,
    "c": 0.10525,
    "h": 27.4
  },
  "luminance": 0.04359
}

Semantic roles & 50–950 ramp

primary

#6B221D

secondary

#449AA0

accent

#D7E147

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #6B221D

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

Preview Lab → · Contrast checker → · Palette generator →