#681C2C#681C2C

#681C2C is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.108 H 12.3°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#681C2C
RGB	rgb(104, 28, 44)
HSL	hsl(347, 58%, 26%)
HSV	hsv(347, 73%, 41%)
CMYK	cmyk(0%, 73.1%, 57.7%, 59.2%)
CIE-LAB	lab(23.53, 34.93, 9.12)
CIE-LCH	lch(23.53, 36.10, 14.63°)
OKLab	oklab(35.44% 0.1055 0.023)
OKLCH	oklch(35.44% 0.108 12.3)
XYZ	xyz(6.5794, 3.9563, 2.7996)
Luminance	0.0396 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681C2C #1C6858

analogous

#681C52 #681C2C #68321C

triadic

#681C2C #2C681C #1C2C68

tetradic

#681C2C #52681C #1C6858 #321C68

square

#681C2C #52681C #1C6858 #321C68

split-complementary

#681C2C #1C6832 #1C5268

monochromatic

#18060A #380F18 #681C2C #982940 #C83655

Accessibility & contrast

On white

11.73

#681C2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#681C2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681C2C

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681C2C	#FFFFFF	#000000	##FFFFFF
##681C2C	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)

#2F2E2C

Deuteranopia (green-blind)

#423E2A

Tritanopia (blue-blind)

#720C22

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681c2c;
/* rgb */ color: rgb(104, 28, 44);
/* oklch */ color: oklch(35.4% 0.108 12.3);

Tailwind

colors: {
  custom: {
    50: '#985e64',
    500: '#681c2c',
    950: '#000000',
  },
}

SCSS

$custom: #681c2c;
$custom-light: #985e64;
$custom-dark: #000000;

JSON

{
  "hex": "#681c2c",
  "rgb": {
    "r": 104,
    "g": 28,
    "b": 44
  },
  "hsl": {
    "h": 347.368,
    "s": 57.576,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35444,
    "c": 0.10801,
    "h": 12.3
  },
  "luminance": 0.03955
}

Semantic roles & 50–950 ramp

primary

#681C2C

secondary

#439D8A

accent

#E1C047

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0505

muted

#7E797A

Preview Lab

Preview with #681C2C

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

Preview Lab → · Contrast checker → · Palette generator →