#671B18#671B18

#671B18 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.109 H 26.8°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#671B18
RGB	rgb(103, 27, 24)
HSL	hsl(2, 62%, 25%)
HSV	hsv(2, 77%, 40%)
CMYK	cmyk(0%, 73.8%, 76.7%, 59.6%)
CIE-LAB	lab(22.77, 33.62, 21.60)
CIE-LCH	lch(22.77, 39.96, 32.72°)
OKLab	oklab(34.72% 0.0973 0.0491)
OKLCH	oklch(34.72% 0.109 26.8)
XYZ	xyz(6.1510, 3.7343, 1.2609)
Luminance	0.0373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B18 #186467

analogous

#67183D #671B18 #674218

triadic

#671B18 #18671B #1B1867

tetradic

#671B18 #3D6718 #186467 #421867

square

#671B18 #3D6718 #186467 #421867

split-complementary

#671B18 #186742 #183D67

monochromatic

#190706 #350E0C #671B18 #992824 #CA352F

Accessibility & contrast

On white

12.02

#671B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#671B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B18

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B18	#FFFFFF	#000000	##FFFFFF
##671B18	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C17

Deuteranopia (green-blind)

#443C15

Tritanopia (blue-blind)

#72031B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #671b18;
/* rgb */ color: rgb(103, 27, 24);
/* oklch */ color: oklch(34.7% 0.109 26.8);

Tailwind

colors: {
  custom: {
    50: '#995d55',
    500: '#671b18',
    950: '#000000',
  },
}

SCSS

$custom: #671b18;
$custom-light: #995d55;
$custom-dark: #000000;

JSON

{
  "hex": "#671b18",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 24
  },
  "hsl": {
    "h": 2.278,
    "s": 62.205,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34718,
    "c": 0.109,
    "h": 26.8
  },
  "luminance": 0.03733
}

Semantic roles & 50–950 ramp

primary

#671B18

secondary

#3E999D

accent

#DFE543

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #671B18

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

Preview Lab → · Contrast checker → · Palette generator →