#681C2B#681C2B

#681C2B is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.4% C 0.108 H 13.1°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#681C2B
RGB	rgb(104, 28, 43)
HSL	hsl(348, 58%, 26%)
HSV	hsv(348, 73%, 41%)
CMYK	cmyk(0%, 73.1%, 58.7%, 59.2%)
CIE-LAB	lab(23.50, 34.84, 9.77)
CIE-LCH	lch(23.50, 36.18, 15.67°)
OKLab	oklab(35.42% 0.1051 0.0245)
OKLCH	oklch(35.42% 0.108 13.1)
XYZ	xyz(6.5608, 3.9489, 2.7018)
Luminance	0.0395 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681C2B #1C6859

analogous

#681C51 #681C2B #68331C

triadic

#681C2B #2B681C #1C2B68

tetradic

#681C2B #51681C #1C6859 #331C68

square

#681C2B #51681C #1C6859 #331C68

split-complementary

#681C2B #1C6833 #1C5168

monochromatic

#18060A #380F17 #681C2B #98293F #C83653

Accessibility & contrast

On white

11.73

#681C2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#681C2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681C2B

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681C2B	#FFFFFF	#000000	##FFFFFF
##681C2B	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2E2B

Deuteranopia (green-blind)

#433E29

Tritanopia (blue-blind)

#720C22

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681c2b;
/* rgb */ color: rgb(104, 28, 43);
/* oklch */ color: oklch(35.4% 0.108 13.1);

Tailwind

colors: {
  custom: {
    50: '#985e64',
    500: '#681c2b',
    950: '#000000',
  },
}

SCSS

$custom: #681c2b;
$custom-light: #985e64;
$custom-dark: #000000;

JSON

{
  "hex": "#681c2b",
  "rgb": {
    "r": 104,
    "g": 28,
    "b": 43
  },
  "hsl": {
    "h": 348.158,
    "s": 57.576,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35418,
    "c": 0.10791,
    "h": 13.1
  },
  "luminance": 0.03948
}

Semantic roles & 50–950 ramp

primary

#681C2B

secondary

#439D8B

accent

#E1C247

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #681C2B

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

Preview Lab → · Contrast checker → · Palette generator →