#681C20#681C20

#681C20 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.108 H 21.8°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#681C20
RGB	rgb(104, 28, 32)
HSL	hsl(357, 58%, 26%)
HSV	hsv(357, 73%, 41%)
CMYK	cmyk(0%, 73.1%, 69.2%, 59.2%)
CIE-LAB	lab(23.27, 34.01, 16.95)
CIE-LCH	lch(23.27, 38.00, 26.50°)
OKLab	oklab(35.17% 0.1003 0.0402)
OKLCH	oklch(35.17% 0.108 21.8)
XYZ	xyz(6.3855, 3.8788, 1.7787)
Luminance	0.0388 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681C20 #1C6864

analogous

#681C46 #681C20 #683E1C

triadic

#681C20 #20681C #1C2068

tetradic

#681C20 #46681C #1C6864 #3E1C68

square

#681C20 #46681C #1C6864 #3E1C68

split-complementary

#681C20 #1C683E #1C4668

monochromatic

#180607 #380F11 #681C20 #98292F #C8363E

Accessibility & contrast

On white

11.83

#681C20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#681C20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681C20

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681C20	#FFFFFF	#000000	##FFFFFF
##681C20	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312D20

Deuteranopia (green-blind)

#443D1E

Tritanopia (blue-blind)

#73071E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681c20;
/* rgb */ color: rgb(104, 28, 32);
/* oklch */ color: oklch(35.2% 0.108 21.8);

Tailwind

colors: {
  custom: {
    50: '#995e5b',
    500: '#681c20',
    950: '#000000',
  },
}

SCSS

$custom: #681c20;
$custom-light: #995e5b;
$custom-dark: #000000;

JSON

{
  "hex": "#681c20",
  "rgb": {
    "r": 104,
    "g": 28,
    "b": 32
  },
  "hsl": {
    "h": 356.842,
    "s": 57.576,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35166,
    "c": 0.10803,
    "h": 21.8
  },
  "luminance": 0.03878
}

Semantic roles & 50–950 ramp

primary

#681C20

secondary

#439D98

accent

#E1D947

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0504

muted

#7F7979

Preview Lab

Preview with #681C20

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

Preview Lab → · Contrast checker → · Palette generator →