#6B221F#6B221F

#6B221F is a dark, moderate red. Relative luminance 0.044; OKLCH L 36.5% C 0.105 H 26.0°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#6B221F
RGB	rgb(107, 34, 31)
HSL	hsl(2, 55%, 27%)
HSV	hsv(2, 71%, 42%)
CMYK	cmyk(0%, 68.2%, 71%, 58%)
CIE-LAB	lab(24.86, 32.30, 19.71)
CIE-LCH	lch(24.86, 37.84, 31.39°)
OKLab	oklab(36.46% 0.0942 0.0461)
OKLCH	oklch(36.46% 0.105 26)
XYZ	xyz(6.8835, 4.3697, 1.7770)
Luminance	0.0437 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B221F #1F686B

analogous

#6B1F42 #6B221F #6B481F

triadic

#6B221F #1F6B22 #221F6B

tetradic

#6B221F #426B1F #1F686B #481F6B

square

#6B221F #426B1F #1F686B #481F6B

split-complementary

#6B221F #1F6B48 #1F426B

monochromatic

#180807 #3C1311 #6B221F #9A312D #C7433D

Accessibility & contrast

On white

11.21

#6B221F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#6B221F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B221F

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B221F	#FFFFFF	#000000	##FFFFFF
##6B221F	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36311E

Deuteranopia (green-blind)

#48411D

Tritanopia (blue-blind)

#761022

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #6b221f;
/* rgb */ color: rgb(107, 34, 31);
/* oklch */ color: oklch(36.5% 0.105 26.0);

Tailwind

colors: {
  custom: {
    50: '#9b615a',
    500: '#6b221f',
    950: '#000000',
  },
}

SCSS

$custom: #6b221f;
$custom-light: #9b615a;
$custom-dark: #000000;

JSON

{
  "hex": "#6b221f",
  "rgb": {
    "r": 107,
    "g": 34,
    "b": 31
  },
  "hsl": {
    "h": 2.368,
    "s": 55.072,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36462,
    "c": 0.10489,
    "h": 26
  },
  "luminance": 0.04369
}

Semantic roles & 50–950 ramp

primary

#6B221F

secondary

#479C9F

accent

#D9DE49

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#0F0504

muted

#7F7979

Preview Lab

Preview with #6B221F

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

Preview Lab → · Contrast checker → · Palette generator →