#6B1F13#6B1F13

#6B1F13 is a dark, moderate red. Relative luminance 0.042; OKLCH L 35.9% C 0.110 H 31.7°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#6B1F13
RGB	rgb(107, 31, 19)
HSL	hsl(8, 70%, 25%)
HSV	hsv(8, 82%, 42%)
CMYK	cmyk(0%, 71%, 82.2%, 58%)
CIE-LAB	lab(24.17, 33.09, 26.47)
CIE-LCH	lch(24.17, 42.38, 38.66°)
OKLab	oklab(35.9% 0.094 0.058)
OKLCH	oklch(35.9% 0.11 31.7)
XYZ	xyz(6.6717, 4.1538, 1.0664)
Luminance	0.0415 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1F13 #135F6B

analogous

#6B1333 #6B1F13 #6B4B13

triadic

#6B1F13 #136B1F #1F136B

tetradic

#6B1F13 #336B13 #135F6B #4B136B

square

#6B1F13 #336B13 #135F6B #4B136B

split-complementary

#6B1F13 #136B4B #13336B

monochromatic

#1A0805 #37100A #6B1F13 #9F2E1C #D33D25

Accessibility & contrast

On white

11.47

#6B1F13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#6B1F13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1F13

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1F13	#FFFFFF	#000000	##FFFFFF
##6B1F13	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352F11

Deuteranopia (green-blind)

#484010

Tritanopia (blue-blind)

#76071D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #6b1f13;
/* rgb */ color: rgb(107, 31, 19);
/* oklch */ color: oklch(35.9% 0.110 31.7);

Tailwind

colors: {
  custom: {
    50: '#9c5f51',
    500: '#6b1f13',
    950: '#000000',
  },
}

SCSS

$custom: #6b1f13;
$custom-light: #9c5f51;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1f13",
  "rgb": {
    "r": 107,
    "g": 31,
    "b": 19
  },
  "hsl": {
    "h": 8.182,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35896,
    "c": 0.11048,
    "h": 31.7
  },
  "luminance": 0.04153
}

Semantic roles & 50–950 ramp

primary

#6B1F13

secondary

#3894A2

accent

#D4ED3B

background

#FAF5F4

surface

#F4EAE7

border

#CEC6C3

text

#0F0502

muted

#7F7978

Preview Lab

Preview with #6B1F13

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

Preview Lab → · Contrast checker → · Palette generator →