#6B1B11#6B1B11

#6B1B11 is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.115 H 30.6°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#6B1B11
RGB	rgb(107, 27, 17)
HSL	hsl(7, 73%, 24%)
HSV	hsv(7, 84%, 42%)
CMYK	cmyk(0%, 74.8%, 84.1%, 58%)
CIE-LAB	lab(23.51, 34.77, 26.98)
CIE-LCH	lch(23.51, 44.01, 37.81°)
OKLab	oklab(35.39% 0.0988 0.0584)
OKLCH	oklch(35.39% 0.115 30.6)
XYZ	xyz(6.5573, 3.9511, 0.9476)
Luminance	0.0395 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1B11 #11616B

analogous

#6B1134 #6B1B11 #6B4811

triadic

#6B1B11 #116B1B #1B116B

tetradic

#6B1B11 #346B11 #11616B #48116B

square

#6B1B11 #346B11 #11616B #48116B

split-complementary

#6B1B11 #116B48 #11346B

monochromatic

#1A0704 #360E09 #6B1B11 #A02819 #D53622

Accessibility & contrast

On white

11.73

#6B1B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#6B1B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1B11

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1B11	#FFFFFF	#000000	##FFFFFF
##6B1B11	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332D0F

Deuteranopia (green-blind)

#473E0D

Tritanopia (blue-blind)

#760019

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #6b1b11;
/* rgb */ color: rgb(107, 27, 17);
/* oklch */ color: oklch(35.4% 0.115 30.6);

Tailwind

colors: {
  custom: {
    50: '#9d5d50',
    500: '#6b1b11',
    950: '#000000',
  },
}

SCSS

$custom: #6b1b11;
$custom-light: #9d5d50;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1b11",
  "rgb": {
    "r": 107,
    "g": 27,
    "b": 17
  },
  "hsl": {
    "h": 6.667,
    "s": 72.581,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35392,
    "c": 0.11481,
    "h": 30.6
  },
  "luminance": 0.0395
}

Semantic roles & 50–950 ramp

primary

#6B1B11

secondary

#3597A3

accent

#DBEF39

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#100402

muted

#7F7978

Preview Lab

Preview with #6B1B11

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

Preview Lab → · Contrast checker → · Palette generator →