#671B10#671B10

#671B10 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.110 H 31.3°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#671B10
RGB	rgb(103, 27, 16)
HSL	hsl(8, 73%, 23%)
HSV	hsv(8, 84%, 40%)
CMYK	cmyk(0%, 73.8%, 84.5%, 59.6%)
CIE-LAB	lab(22.67, 33.27, 26.43)
CIE-LCH	lch(22.67, 42.49, 38.47°)
OKLab	oklab(34.61% 0.0944 0.0573)
OKLCH	oklch(34.61% 0.11 31.3)
XYZ	xyz(6.0797, 3.7058, 0.8853)
Luminance	0.0370 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B10 #105C67

analogous

#671030 #671B10 #674610

triadic

#671B10 #10671B #1B1067

tetradic

#671B10 #306710 #105C67 #461067

square

#671B10 #306710 #105C67 #461067

split-complementary

#671B10 #106746 #103067

monochromatic

#1A0704 #320D08 #671B10 #9C2918 #D13720

Accessibility & contrast

On white

12.06

#671B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#671B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B10

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B10	#FFFFFF	#000000	##FFFFFF
##671B10	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312B0E

Deuteranopia (green-blind)

#443C0D

Tritanopia (blue-blind)

#720119

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #671b10;
/* rgb */ color: rgb(103, 27, 16);
/* oklch */ color: oklch(34.6% 0.110 31.3);

Tailwind

colors: {
  custom: {
    50: '#9a5d4f',
    500: '#671b10',
    950: '#000000',
  },
}

SCSS

$custom: #671b10;
$custom-light: #9a5d4f;
$custom-dark: #000000;

JSON

{
  "hex": "#671b10",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 16
  },
  "hsl": {
    "h": 7.586,
    "s": 73.109,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34612,
    "c": 0.11044,
    "h": 31.3
  },
  "luminance": 0.03705
}

Semantic roles & 50–950 ramp

primary

#671B10

secondary

#33929F

accent

#D9F038

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #671B10

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

Preview Lab → · Contrast checker → · Palette generator →