#681B0F#681B0F

#681B0F is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.8% C 0.112 H 31.7°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#681B0F
RGB	rgb(104, 27, 15)
HSL	hsl(8, 75%, 23%)
HSV	hsv(8, 86%, 41%)
CMYK	cmyk(0%, 74%, 85.6%, 59.2%)
CIE-LAB	lab(22.87, 33.60, 27.24)
CIE-LCH	lch(22.87, 43.26, 39.03°)
OKLab	oklab(34.79% 0.0951 0.0587)
OKLCH	oklch(34.79% 0.112 31.7)
XYZ	xyz(6.1878, 3.7624, 0.8522)
Luminance	0.0376 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B0F #0F5C68

analogous

#680F2F #681B0F #68470F

triadic

#681B0F #0F681B #1B0F68

tetradic

#681B0F #2F680F #0F5C68 #470F68

square

#681B0F #2F680F #0F5C68 #470F68

split-complementary

#681B0F #0F6847 #0F2F68

monochromatic

#1B0704 #330D07 #681B0F #9D2917 #D3371E

Accessibility & contrast

On white

11.98

#681B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#681B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B0F

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B0F	#FFFFFF	#000000	##FFFFFF
##681B0F	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322C0D

Deuteranopia (green-blind)

#453D0B

Tritanopia (blue-blind)

#730019

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681b0f;
/* rgb */ color: rgb(104, 27, 15);
/* oklch */ color: oklch(34.8% 0.112 31.7);

Tailwind

colors: {
  custom: {
    50: '#9a5d4e',
    500: '#681b0f',
    950: '#000000',
  },
}

SCSS

$custom: #681b0f;
$custom-light: #9a5d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#681b0f",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 15
  },
  "hsl": {
    "h": 8.09,
    "s": 74.79,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34793,
    "c": 0.11178,
    "h": 31.7
  },
  "luminance": 0.03761
}

Semantic roles & 50–950 ramp

primary

#681B0F

secondary

#3292A1

accent

#D8F136

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0401

muted

#7F7977

Preview Lab

Preview with #681B0F

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

Preview Lab → · Contrast checker → · Palette generator →