#671B20#671B20

#671B20 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.108 H 21.2°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#671B20
RGB	rgb(103, 27, 32)
HSL	hsl(356, 58%, 25%)
HSV	hsv(356, 74%, 40%)
CMYK	cmyk(0%, 73.8%, 68.9%, 59.6%)
CIE-LAB	lab(22.91, 34.09, 16.46)
CIE-LCH	lch(22.91, 37.85, 25.77°)
OKLab	oklab(34.86% 0.1007 0.0391)
OKLCH	oklch(34.86% 0.108 21.2)
XYZ	xyz(6.2468, 3.7726, 1.7655)
Luminance	0.0377 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B20 #1B6762

analogous

#671B46 #671B20 #673C1B

triadic

#671B20 #20671B #1B2067

tetradic

#671B20 #46671B #1B6762 #3C1B67

square

#671B20 #46671B #1B6762 #3C1B67

split-complementary

#671B20 #1B673C #1B4667

monochromatic

#180608 #370E11 #671B20 #97282F #C8343E

Accessibility & contrast

On white

11.97

#671B20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#671B20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B20

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B20	#FFFFFF	#000000	##FFFFFF
##671B20	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C20

Deuteranopia (green-blind)

#433D1E

Tritanopia (blue-blind)

#72061D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671b20;
/* rgb */ color: rgb(103, 27, 32);
/* oklch */ color: oklch(34.9% 0.108 21.2);

Tailwind

colors: {
  custom: {
    50: '#985d5b',
    500: '#671b20',
    950: '#000000',
  },
}

SCSS

$custom: #671b20;
$custom-light: #985d5b;
$custom-dark: #000000;

JSON

{
  "hex": "#671b20",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 32
  },
  "hsl": {
    "h": 356.053,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34859,
    "c": 0.10798,
    "h": 21.2
  },
  "luminance": 0.03772
}

Semantic roles & 50–950 ramp

primary

#671B20

secondary

#429C96

accent

#E2D746

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0404

muted

#7E7979

Preview Lab

Preview with #671B20

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

Preview Lab → · Contrast checker → · Palette generator →