#681B20#681B20

#681B20 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.109 H 21.3°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#681B20
RGB	rgb(104, 27, 32)
HSL	hsl(356, 59%, 26%)
HSV	hsv(356, 74%, 41%)
CMYK	cmyk(0%, 74%, 69.2%, 59.2%)
CIE-LAB	lab(23.11, 34.44, 16.76)
CIE-LCH	lch(23.11, 38.30, 25.94°)
OKLab	oklab(35.05% 0.1017 0.0397)
OKLCH	oklch(35.05% 0.109 21.3)
XYZ	xyz(6.3622, 3.8321, 1.7709)
Luminance	0.0383 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B20 #1B6863

analogous

#681B46 #681B20 #683C1B

triadic

#681B20 #20681B #1B2068

tetradic

#681B20 #46681B #1B6863 #3C1B68

square

#681B20 #46681B #1B6863 #3C1B68

split-complementary

#681B20 #1B683C #1B4668

monochromatic

#180607 #370E11 #681B20 #99282F #C9343E

Accessibility & contrast

On white

11.89

#681B20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#681B20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B20

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B20	#FFFFFF	#000000	##FFFFFF
##681B20	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302D20

Deuteranopia (green-blind)

#443D1E

Tritanopia (blue-blind)

#73051D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681b20;
/* rgb */ color: rgb(104, 27, 32);
/* oklch */ color: oklch(35.0% 0.109 21.3);

Tailwind

colors: {
  custom: {
    50: '#995d5b',
    500: '#681b20',
    950: '#000000',
  },
}

SCSS

$custom: #681b20;
$custom-light: #995d5b;
$custom-dark: #000000;

JSON

{
  "hex": "#681b20",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 32
  },
  "hsl": {
    "h": 356.104,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35048,
    "c": 0.10914,
    "h": 21.3
  },
  "luminance": 0.03831
}

Semantic roles & 50–950 ramp

primary

#681B20

secondary

#429D97

accent

#E2D846

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0404

muted

#7F7979

Preview Lab

Preview with #681B20

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

Preview Lab → · Contrast checker → · Palette generator →