#681D0F#681D0F

#681D0F is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.0% C 0.110 H 32.7°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#681D0F
RGB	rgb(104, 29, 15)
HSL	hsl(9, 75%, 23%)
HSV	hsv(9, 86%, 41%)
CMYK	cmyk(0%, 72.1%, 85.6%, 59.2%)
CIE-LAB	lab(23.19, 32.72, 27.57)
CIE-LCH	lch(23.19, 42.79, 40.12°)
OKLab	oklab(35.04% 0.0924 0.0594)
OKLCH	oklch(35.04% 0.11 32.7)
XYZ	xyz(6.2352, 3.8572, 0.8680)
Luminance	0.0386 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681D0F #0F5A68

analogous

#680F2D #681D0F #68490F

triadic

#681D0F #0F681D #1D0F68

tetradic

#681D0F #2D680F #0F5A68 #490F68

square

#681D0F #2D680F #0F5A68 #490F68

split-complementary

#681D0F #0F6849 #0F2D68

monochromatic

#1B0704 #330E07 #681D0F #9D2C17 #D33B1E

Accessibility & contrast

On white

11.86

#681D0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#681D0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681D0F

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681D0F	#FFFFFF	#000000	##FFFFFF
##681D0F	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332D0D

Deuteranopia (green-blind)

#453D0C

Tritanopia (blue-blind)

#73041A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681d0f;
/* rgb */ color: rgb(104, 29, 15);
/* oklch */ color: oklch(35.0% 0.110 32.7);

Tailwind

colors: {
  custom: {
    50: '#9a5e4e',
    500: '#681d0f',
    950: '#000000',
  },
}

SCSS

$custom: #681d0f;
$custom-light: #9a5e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#681d0f",
  "rgb": {
    "r": 104,
    "g": 29,
    "b": 15
  },
  "hsl": {
    "h": 9.438,
    "s": 74.79,
    "l": 23.333
  },
  "oklch": {
    "l": 0.35036,
    "c": 0.10982,
    "h": 32.7
  },
  "luminance": 0.03856
}

Semantic roles & 50–950 ramp

primary

#681D0F

secondary

#328FA1

accent

#D4F136

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0502

muted

#7F7978

Preview Lab

Preview with #681D0F

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

Preview Lab → · Contrast checker → · Palette generator →