#6B1917#6B1917

#6B1917 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.116 H 26.5°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#6B1917
RGB	rgb(107, 25, 23)
HSL	hsl(1, 65%, 25%)
HSV	hsv(1, 79%, 42%)
CMYK	cmyk(0%, 76.6%, 78.5%, 58%)
CIE-LAB	lab(23.28, 35.84, 23.05)
CIE-LCH	lch(23.28, 42.61, 32.74°)
OKLab	oklab(35.25% 0.1035 0.0517)
OKLCH	oklch(35.25% 0.116 26.5)
XYZ	xyz(6.5664, 3.8839, 1.2144)
Luminance	0.0388 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1917 #17696B

analogous

#6B173F #6B1917 #6B4317

triadic

#6B1917 #176B19 #19176B

tetradic

#6B1917 #3F6B17 #17696B #43176B

square

#6B1917 #3F6B17 #17696B #43176B

split-complementary

#6B1917 #176B43 #173F6B

monochromatic

#190605 #390D0C #6B1917 #9D2522 #D0312D

Accessibility & contrast

On white

11.82

#6B1917 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#6B1917 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1917

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1917	#FFFFFF	#000000	##FFFFFF
##6B1917	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C16

Deuteranopia (green-blind)

#463E14

Tritanopia (blue-blind)

#760019

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6b1917;
/* rgb */ color: rgb(107, 25, 23);
/* oklch */ color: oklch(35.2% 0.116 26.5);

Tailwind

colors: {
  custom: {
    50: '#9c5d54',
    500: '#6b1917',
    950: '#000000',
  },
}

SCSS

$custom: #6b1917;
$custom-light: #9c5d54;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1917",
  "rgb": {
    "r": 107,
    "g": 25,
    "b": 23
  },
  "hsl": {
    "h": 1.429,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35246,
    "c": 0.11573,
    "h": 26.5
  },
  "luminance": 0.03883
}

Semantic roles & 50–950 ramp

primary

#6B1917

secondary

#3D9FA1

accent

#E4E840

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #6B1917

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

Preview Lab → · Contrast checker → · Palette generator →