#671718#671718

#671718 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.3% C 0.113 H 24.9°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#671718
RGB	rgb(103, 23, 24)
HSL	hsl(359, 63%, 25%)
HSV	hsv(359, 78%, 40%)
CMYK	cmyk(0%, 77.7%, 76.7%, 59.6%)
CIE-LAB	lab(22.17, 35.28, 20.91)
CIE-LCH	lch(22.17, 41.01, 30.65°)
OKLab	oklab(34.27% 0.1026 0.0476)
OKLCH	oklch(34.27% 0.113 24.9)
XYZ	xyz(6.0655, 3.5632, 1.2324)
Luminance	0.0356 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671718 #176766

analogous

#671740 #671718 #673E17

triadic

#671718 #186717 #171867

tetradic

#671718 #406717 #176766 #3E1767

square

#671718 #406717 #176766 #3E1767

split-complementary

#671718 #17673E #174067

monochromatic

#190606 #350C0C #671718 #992224 #CB2D2F

Accessibility & contrast

On white

12.26

#671718 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#671718 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671718

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671718	#FFFFFF	#000000	##FFFFFF
##671718	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2A17

Deuteranopia (green-blind)

#423B15

Tritanopia (blue-blind)

#720018

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #671718;
/* rgb */ color: rgb(103, 23, 24);
/* oklch */ color: oklch(34.3% 0.113 24.9);

Tailwind

colors: {
  custom: {
    50: '#995b55',
    500: '#671718',
    950: '#000000',
  },
}

SCSS

$custom: #671718;
$custom-light: #995b55;
$custom-dark: #000000;

JSON

{
  "hex": "#671718",
  "rgb": {
    "r": 103,
    "g": 23,
    "b": 24
  },
  "hsl": {
    "h": 359.25,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34269,
    "c": 0.11305,
    "h": 24.9
  },
  "luminance": 0.03562
}

Semantic roles & 50–950 ramp

primary

#671718

secondary

#3D9D9C

accent

#E7E441

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #671718

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

Preview Lab → · Contrast checker → · Palette generator →