#671B15#671B15

#671B15 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.110 H 28.6°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#671B15
RGB	rgb(103, 27, 21)
HSL	hsl(4, 66%, 24%)
HSV	hsv(4, 80%, 40%)
CMYK	cmyk(0%, 73.8%, 79.6%, 59.6%)
CIE-LAB	lab(22.73, 33.47, 23.47)
CIE-LCH	lch(22.73, 40.88, 35.04°)
OKLab	oklab(34.67% 0.0962 0.0524)
OKLCH	oklch(34.67% 0.11 28.6)
XYZ	xyz(6.1215, 3.7225, 1.1055)
Luminance	0.0372 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B15 #156167

analogous

#671538 #671B15 #674415

triadic

#671B15 #15671B #1B1567

tetradic

#671B15 #386715 #156167 #441567

square

#671B15 #386715 #156167 #441567

split-complementary

#671B15 #156744 #153867

monochromatic

#190705 #340E0B #671B15 #9A281F #CD362A

Accessibility & contrast

On white

12.04

#671B15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#671B15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B15

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B15	#FFFFFF	#000000	##FFFFFF
##671B15	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C14

Deuteranopia (green-blind)

#443C12

Tritanopia (blue-blind)

#72021A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #671b15;
/* rgb */ color: rgb(103, 27, 21);
/* oklch */ color: oklch(34.7% 0.110 28.6);

Tailwind

colors: {
  custom: {
    50: '#995d52',
    500: '#671b15',
    950: '#000000',
  },
}

SCSS

$custom: #671b15;
$custom-light: #995d52;
$custom-dark: #000000;

JSON

{
  "hex": "#671b15",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 21
  },
  "hsl": {
    "h": 4.39,
    "s": 66.129,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34674,
    "c": 0.10951,
    "h": 28.6
  },
  "luminance": 0.03722
}

Semantic roles & 50–950 ramp

primary

#671B15

secondary

#3A979E

accent

#DDE93F

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #671B15

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

Preview Lab → · Contrast checker → · Palette generator →