#671B22#671B22

#671B22 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.108 H 19.7°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#671B22
RGB	rgb(103, 27, 34)
HSL	hsl(354, 58%, 25%)
HSV	hsv(354, 74%, 40%)
CMYK	cmyk(0%, 73.8%, 67%, 59.6%)
CIE-LAB	lab(22.94, 34.22, 15.15)
CIE-LCH	lch(22.94, 37.42, 23.88°)
OKLab	oklab(34.9% 0.1015 0.0364)
OKLCH	oklch(34.9% 0.108 19.7)
XYZ	xyz(6.2748, 3.7838, 1.9130)
Luminance	0.0378 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B22 #1B6760

analogous

#671B48 #671B22 #673A1B

triadic

#671B22 #22671B #1B2267

tetradic

#671B22 #48671B #1B6760 #3A1B67

square

#671B22 #48671B #1B6760 #3A1B67

split-complementary

#671B22 #1B673A #1B4867

monochromatic

#180608 #370E12 #671B22 #972832 #C83442

Accessibility & contrast

On white

11.95

#671B22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#671B22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B22

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B22	#FFFFFF	#000000	##FFFFFF
##671B22	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2D22

Deuteranopia (green-blind)

#433D20

Tritanopia (blue-blind)

#71061E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671b22;
/* rgb */ color: rgb(103, 27, 34);
/* oklch */ color: oklch(34.9% 0.108 19.7);

Tailwind

colors: {
  custom: {
    50: '#985d5c',
    500: '#671b22',
    950: '#000000',
  },
}

SCSS

$custom: #671b22;
$custom-light: #985d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#671b22",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 34
  },
  "hsl": {
    "h": 354.474,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.349,
    "c": 0.10784,
    "h": 19.7
  },
  "luminance": 0.03783
}

Semantic roles & 50–950 ramp

primary

#671B22

secondary

#429C94

accent

#E2D346

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0404

muted

#7E7979

Preview Lab

Preview with #671B22

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

Preview Lab → · Contrast checker → · Palette generator →