#671C18#671C18

#671C18 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.8% C 0.108 H 27.3°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#671C18
RGB	rgb(103, 28, 24)
HSL	hsl(3, 62%, 25%)
HSV	hsv(3, 77%, 40%)
CMYK	cmyk(0%, 72.8%, 76.7%, 59.6%)
CIE-LAB	lab(22.93, 33.18, 21.79)
CIE-LCH	lch(22.93, 39.69, 33.29°)
OKLab	oklab(34.84% 0.0959 0.0495)
OKLCH	oklch(34.84% 0.108 27.3)
XYZ	xyz(6.1743, 3.7809, 1.2687)
Luminance	0.0378 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671C18 #186367

analogous

#67183C #671C18 #674418

triadic

#671C18 #18671C #1C1867

tetradic

#671C18 #3C6718 #186367 #441867

square

#671C18 #3C6718 #186367 #441867

split-complementary

#671C18 #186744 #183C67

monochromatic

#190706 #350F0C #671C18 #992924 #CA372F

Accessibility & contrast

On white

11.96

#671C18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#671C18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671C18

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671C18	#FFFFFF	#000000	##FFFFFF
##671C18	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C17

Deuteranopia (green-blind)

#443D15

Tritanopia (blue-blind)

#72051C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671c18;
/* rgb */ color: rgb(103, 28, 24);
/* oklch */ color: oklch(34.8% 0.108 27.3);

Tailwind

colors: {
  custom: {
    50: '#995d55',
    500: '#671c18',
    950: '#000000',
  },
}

SCSS

$custom: #671c18;
$custom-light: #995d55;
$custom-dark: #000000;

JSON

{
  "hex": "#671c18",
  "rgb": {
    "r": 103,
    "g": 28,
    "b": 24
  },
  "hsl": {
    "h": 3.038,
    "s": 62.205,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34838,
    "c": 0.10794,
    "h": 27.3
  },
  "luminance": 0.0378
}

Semantic roles & 50–950 ramp

primary

#671C18

secondary

#3E989D

accent

#DDE543

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #671C18

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

Preview Lab → · Contrast checker → · Palette generator →