#671D18#671D18

#671D18 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.107 H 27.8°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#671D18
RGB	rgb(103, 29, 24)
HSL	hsl(4, 62%, 25%)
HSV	hsv(4, 77%, 40%)
CMYK	cmyk(0%, 71.8%, 76.7%, 59.6%)
CIE-LAB	lab(23.10, 32.73, 21.97)
CIE-LCH	lch(23.10, 39.42, 33.88°)
OKLab	oklab(34.96% 0.0945 0.0499)
OKLCH	oklch(34.96% 0.107 27.8)
XYZ	xyz(6.1984, 3.8291, 1.2767)
Luminance	0.0383 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671D18 #186267

analogous

#67183B #671D18 #674418

triadic

#671D18 #18671D #1D1867

tetradic

#671D18 #3B6718 #186267 #441867

square

#671D18 #3B6718 #186267 #441867

split-complementary

#671D18 #186744 #183B67

monochromatic

#190706 #350F0C #671D18 #992B24 #CA392F

Accessibility & contrast

On white

11.89

#671D18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#671D18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671D18

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671D18	#FFFFFF	#000000	##FFFFFF
##671D18	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322D17

Deuteranopia (green-blind)

#443D16

Tritanopia (blue-blind)

#72071C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671d18;
/* rgb */ color: rgb(103, 29, 24);
/* oklch */ color: oklch(35.0% 0.107 27.8);

Tailwind

colors: {
  custom: {
    50: '#995e55',
    500: '#671d18',
    950: '#000000',
  },
}

SCSS

$custom: #671d18;
$custom-light: #995e55;
$custom-dark: #000000;

JSON

{
  "hex": "#671d18",
  "rgb": {
    "r": 103,
    "g": 29,
    "b": 24
  },
  "hsl": {
    "h": 3.797,
    "s": 62.205,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34961,
    "c": 0.10688,
    "h": 27.8
  },
  "luminance": 0.03828
}

Semantic roles & 50–950 ramp

primary

#671D18

secondary

#3E979D

accent

#DBE543

background

#FAF5F4

surface

#F3E9E8

border

#CDC5C4

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #671D18

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

Preview Lab → · Contrast checker → · Palette generator →