#671818#671818

#671818 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.4% C 0.112 H 25.3°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#671818
RGB	rgb(103, 24, 24)
HSL	hsl(0, 62%, 25%)
HSV	hsv(0, 77%, 40%)
CMYK	cmyk(0%, 76.7%, 76.7%, 59.6%)
CIE-LAB	lab(22.32, 34.88, 21.07)
CIE-LCH	lch(22.32, 40.75, 31.14°)
OKLab	oklab(34.38% 0.1013 0.0479)
OKLCH	oklch(34.38% 0.112 25.3)
XYZ	xyz(6.0857, 3.6037, 1.2391)
Luminance	0.0360 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671818 #186767

analogous

#671840 #671818 #674018

triadic

#671818 #186718 #181867

tetradic

#671818 #406718 #186767 #401867

square

#671818 #406718 #186767 #401867

split-complementary

#671818 #186740 #184067

monochromatic

#190606 #350C0C #671818 #992424 #CA2F2F

Accessibility & contrast

On white

12.21

#671818 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#671818 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671818

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671818	#FFFFFF	#000000	##FFFFFF
##671818	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2A17

Deuteranopia (green-blind)

#433C15

Tritanopia (blue-blind)

#720019

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #671818;
/* rgb */ color: rgb(103, 24, 24);
/* oklch */ color: oklch(34.4% 0.112 25.3);

Tailwind

colors: {
  custom: {
    50: '#995b55',
    500: '#671818',
    950: '#000000',
  },
}

SCSS

$custom: #671818;
$custom-light: #995b55;
$custom-dark: #000000;

JSON

{
  "hex": "#671818",
  "rgb": {
    "r": 103,
    "g": 24,
    "b": 24
  },
  "hsl": {
    "h": 0,
    "s": 62.205,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34376,
    "c": 0.11206,
    "h": 25.3
  },
  "luminance": 0.03603
}

Semantic roles & 50–950 ramp

primary

#671818

secondary

#3E9D9D

accent

#E5E543

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #671818

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

Preview Lab → · Contrast checker → · Palette generator →