#6B1918#6B1918

#6B1918 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.3% C 0.116 H 26.0°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#6B1918
RGB	rgb(107, 25, 24)
HSL	hsl(1, 63%, 26%)
HSV	hsv(1, 78%, 42%)
CMYK	cmyk(0%, 76.6%, 77.6%, 58%)
CIE-LAB	lab(23.30, 35.88, 22.42)
CIE-LCH	lch(23.30, 42.31, 32.00°)
OKLab	oklab(35.26% 0.1039 0.0506)
OKLCH	oklch(35.26% 0.116 26)
XYZ	xyz(6.5767, 3.8880, 1.2681)
Luminance	0.0389 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1918 #186A6B

analogous

#6B1840 #6B1918 #6B4218

triadic

#6B1918 #186B19 #19186B

tetradic

#6B1918 #406B18 #186A6B #42186B

square

#6B1918 #406B18 #186A6B #42186B

split-complementary

#6B1918 #186B42 #18406B

monochromatic

#190606 #390D0D #6B1918 #9D2523 #CF302E

Accessibility & contrast

On white

11.82

#6B1918 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#6B1918 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1918

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1918	#FFFFFF	#000000	##FFFFFF
##6B1918	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)

#312C17

Deuteranopia (green-blind)

#453E15

Tritanopia (blue-blind)

#76001A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #6b1918;
/* rgb */ color: rgb(107, 25, 24);
/* oklch */ color: oklch(35.3% 0.116 26.0);

Tailwind

colors: {
  custom: {
    50: '#9c5d55',
    500: '#6b1918',
    950: '#000000',
  },
}

SCSS

$custom: #6b1918;
$custom-light: #9c5d55;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1918",
  "rgb": {
    "r": 107,
    "g": 25,
    "b": 24
  },
  "hsl": {
    "h": 0.723,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35261,
    "c": 0.11559,
    "h": 26
  },
  "luminance": 0.03887
}

Semantic roles & 50–950 ramp

primary

#6B1918

secondary

#3EA0A1

accent

#E4E641

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #6B1918

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

Preview Lab → · Contrast checker → · Palette generator →