#6B1B13#6B1B13

#6B1B13 is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.114 H 29.6°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#6B1B13
RGB	rgb(107, 27, 19)
HSL	hsl(5, 70%, 25%)
HSV	hsv(5, 82%, 42%)
CMYK	cmyk(0%, 74.8%, 82.2%, 58%)
CIE-LAB	lab(23.53, 34.85, 25.81)
CIE-LCH	lch(23.53, 43.36, 36.53°)
OKLab	oklab(35.42% 0.0995 0.0565)
OKLCH	oklch(35.42% 0.114 29.6)
XYZ	xyz(6.5736, 3.9577, 1.0337)
Luminance	0.0396 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1B13 #13636B

analogous

#6B1337 #6B1B13 #6B4713

triadic

#6B1B13 #136B1B #1B136B

tetradic

#6B1B13 #376B13 #13636B #47136B

square

#6B1B13 #376B13 #13636B #47136B

split-complementary

#6B1B13 #136B47 #13376B

monochromatic

#1A0705 #370E0A #6B1B13 #9F281C #D33525

Accessibility & contrast

On white

11.72

#6B1B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#6B1B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1B13

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1B13	#FFFFFF	#000000	##FFFFFF
##6B1B13	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332D11

Deuteranopia (green-blind)

#463E10

Tritanopia (blue-blind)

#76001A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #6b1b13;
/* rgb */ color: rgb(107, 27, 19);
/* oklch */ color: oklch(35.4% 0.114 29.6);

Tailwind

colors: {
  custom: {
    50: '#9d5d51',
    500: '#6b1b13',
    950: '#000000',
  },
}

SCSS

$custom: #6b1b13;
$custom-light: #9d5d51;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1b13",
  "rgb": {
    "r": 107,
    "g": 27,
    "b": 19
  },
  "hsl": {
    "h": 5.455,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35415,
    "c": 0.11446,
    "h": 29.6
  },
  "luminance": 0.03957
}

Semantic roles & 50–950 ramp

primary

#6B1B13

secondary

#3898A2

accent

#DDED3B

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#100402

muted

#7F7978

Preview Lab

Preview with #6B1B13

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

Preview Lab → · Contrast checker → · Palette generator →