#6B1518#6B1518

#6B1518 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.9% C 0.119 H 24.4°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#6B1518
RGB	rgb(107, 21, 24)
HSL	hsl(358, 67%, 25%)
HSV	hsv(358, 80%, 42%)
CMYK	cmyk(0%, 80.4%, 77.6%, 58%)
CIE-LAB	lab(22.75, 37.39, 21.80)
CIE-LCH	lch(22.75, 43.28, 30.24°)
OKLab	oklab(34.86% 0.1087 0.0493)
OKLCH	oklch(34.86% 0.119 24.4)
XYZ	xyz(6.4972, 3.7291, 1.2417)
Luminance	0.0373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B1518 #156B68

analogous

#6B1543 #6B1518 #6B3D15

triadic

#6B1518 #186B15 #15186B

tetradic

#6B1518 #436B15 #156B68 #3D156B

square

#6B1518 #436B15 #156B68 #3D156B

split-complementary

#6B1518 #156B3D #15436B

monochromatic

#1A0506 #380B0D #6B1518 #9E1F23 #D1292F

Accessibility & contrast

On white

12.03

#6B1518 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#6B1518 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6B1518

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B1518	#FFFFFF	#000000	##FFFFFF
##6B1518	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2A17

Deuteranopia (green-blind)

#443D15

Tritanopia (blue-blind)

#760017

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #6b1518;
/* rgb */ color: rgb(107, 21, 24);
/* oklch */ color: oklch(34.9% 0.119 24.4);

Tailwind

colors: {
  custom: {
    50: '#9c5b55',
    500: '#6b1518',
    950: '#000000',
  },
}

SCSS

$custom: #6b1518;
$custom-light: #9c5b55;
$custom-dark: #000000;

JSON

{
  "hex": "#6b1518",
  "rgb": {
    "r": 107,
    "g": 21,
    "b": 24
  },
  "hsl": {
    "h": 357.907,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34856,
    "c": 0.11935,
    "h": 24.4
  },
  "luminance": 0.03728
}

Semantic roles & 50–950 ramp

primary

#6B1518

secondary

#3AA29E

accent

#EAE43E

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#100403

muted

#7F7978

Preview Lab

Preview with #6B1518

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

Preview Lab → · Contrast checker → · Palette generator →