#681B13#681B13

#681B13 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.8% C 0.111 H 29.7°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#681B13
RGB	rgb(104, 27, 19)
HSL	hsl(6, 69%, 24%)
HSV	hsv(6, 82%, 41%)
CMYK	cmyk(0%, 74%, 81.7%, 59.2%)
CIE-LAB	lab(22.91, 33.75, 24.97)
CIE-LCH	lch(22.91, 41.99, 36.49°)
OKLab	oklab(34.84% 0.0965 0.055)
OKLCH	oklch(34.84% 0.111 29.7)
XYZ	xyz(6.2191, 3.7749, 1.0171)
Luminance	0.0377 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B13 #136068

analogous

#681336 #681B13 #684613

triadic

#681B13 #13681B #1B1368

tetradic

#681B13 #366813 #136068 #461368

square

#681B13 #366813 #136068 #461368

split-complementary

#681B13 #136846 #133668

monochromatic

#1A0705 #340E0A #681B13 #9C281C #CF3626

Accessibility & contrast

On white

11.97

#681B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#681B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B13

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B13	#FFFFFF	#000000	##FFFFFF
##681B13	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C11

Deuteranopia (green-blind)

#453D10

Tritanopia (blue-blind)

#73011A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681b13;
/* rgb */ color: rgb(104, 27, 19);
/* oklch */ color: oklch(34.8% 0.111 29.7);

Tailwind

colors: {
  custom: {
    50: '#9a5d51',
    500: '#681b13',
    950: '#000000',
  },
}

SCSS

$custom: #681b13;
$custom-light: #9a5d51;
$custom-dark: #000000;

JSON

{
  "hex": "#681b13",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 19
  },
  "hsl": {
    "h": 5.647,
    "s": 69.106,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34839,
    "c": 0.11103,
    "h": 29.7
  },
  "luminance": 0.03774
}

Semantic roles & 50–950 ramp

primary

#681B13

secondary

#37969F

accent

#DBEC3C

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #681B13

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

Preview Lab → · Contrast checker → · Palette generator →