#681B1E#681B1E

#681B1E is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.109 H 22.8°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#681B1E
RGB	rgb(104, 27, 30)
HSL	hsl(358, 59%, 26%)
HSV	hsv(358, 74%, 41%)
CMYK	cmyk(0%, 74%, 71.2%, 59.2%)
CIE-LAB	lab(23.07, 34.32, 18.05)
CIE-LCH	lch(23.07, 38.78, 27.75°)
OKLab	oklab(35.01% 0.1008 0.0423)
OKLCH	oklch(35.01% 0.109 22.8)
XYZ	xyz(6.3359, 3.8216, 1.6321)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B1E #1B6865

analogous

#681B44 #681B1E #683E1B

triadic

#681B1E #1E681B #1B1E68

tetradic

#681B1E #44681B #1B6865 #3E1B68

square

#681B1E #44681B #1B6865 #3E1B68

split-complementary

#681B1E #1B683E #1B4468

monochromatic

#180607 #370E10 #681B1E #99282C #C9343A

Accessibility & contrast

On white

11.90

#681B1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#681B1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B1E

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B1E	#FFFFFF	#000000	##FFFFFF
##681B1E	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302D1D

Deuteranopia (green-blind)

#443D1C

Tritanopia (blue-blind)

#73041D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681b1e;
/* rgb */ color: rgb(104, 27, 30);
/* oklch */ color: oklch(35.0% 0.109 22.8);

Tailwind

colors: {
  custom: {
    50: '#995d59',
    500: '#681b1e',
    950: '#000000',
  },
}

SCSS

$custom: #681b1e;
$custom-light: #995d59;
$custom-dark: #000000;

JSON

{
  "hex": "#681b1e",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 30
  },
  "hsl": {
    "h": 357.662,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.3501,
    "c": 0.10933,
    "h": 22.8
  },
  "luminance": 0.03821
}

Semantic roles & 50–950 ramp

primary

#681B1E

secondary

#429D9A

accent

#E2DC46

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #681B1E

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

Preview Lab → · Contrast checker → · Palette generator →