#671D0F#671D0F

#671D0F is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.8% C 0.109 H 32.8°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#671D0F
RGB	rgb(103, 29, 15)
HSL	hsl(10, 75%, 23%)
HSV	hsv(10, 85%, 40%)
CMYK	cmyk(0%, 71.8%, 85.4%, 59.6%)
CIE-LAB	lab(22.99, 32.34, 27.30)
CIE-LCH	lch(22.99, 42.32, 40.17°)
OKLab	oklab(34.85% 0.0913 0.0589)
OKLCH	oklch(34.85% 0.109 32.8)
XYZ	xyz(6.1198, 3.7977, 0.8626)
Luminance	0.0380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671D0F #0F5967

analogous

#670F2D #671D0F #67490F

triadic

#671D0F #0F671D #1D0F67

tetradic

#671D0F #2D670F #0F5967 #490F67

square

#671D0F #2D670F #0F5967 #490F67

split-complementary

#671D0F #0F6749 #0F2D67

monochromatic

#1B0804 #320E07 #671D0F #9C2C17 #D23B1F

Accessibility & contrast

On white

11.94

#671D0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#671D0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671D0F

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671D0F	#FFFFFF	#000000	##FFFFFF
##671D0F	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332C0D

Deuteranopia (green-blind)

#453D0C

Tritanopia (blue-blind)

#72051A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671d0f;
/* rgb */ color: rgb(103, 29, 15);
/* oklch */ color: oklch(34.8% 0.109 32.8);

Tailwind

colors: {
  custom: {
    50: '#995e4e',
    500: '#671d0f',
    950: '#000000',
  },
}

SCSS

$custom: #671d0f;
$custom-light: #995e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#671d0f",
  "rgb": {
    "r": 103,
    "g": 29,
    "b": 15
  },
  "hsl": {
    "h": 9.545,
    "s": 74.576,
    "l": 23.137
  },
  "oklch": {
    "l": 0.34847,
    "c": 0.10867,
    "h": 32.8
  },
  "luminance": 0.03797
}

Semantic roles & 50–950 ramp

primary

#671D0F

secondary

#328EA0

accent

#D4F137

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #671D0F

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

Preview Lab → · Contrast checker → · Palette generator →