#681C16#681C16

#681C16 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.109 H 28.5°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#681C16
RGB	rgb(104, 28, 22)
HSL	hsl(4, 65%, 25%)
HSV	hsv(4, 79%, 41%)
CMYK	cmyk(0%, 73.1%, 78.8%, 59.2%)
CIE-LAB	lab(23.11, 33.45, 23.32)
CIE-LCH	lch(23.11, 40.77, 34.88°)
OKLab	oklab(35% 0.0962 0.0522)
OKLCH	oklch(35% 0.109 28.5)
XYZ	xyz(6.2697, 3.8324, 1.1685)
Luminance	0.0383 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681C16 #166268

analogous

#681639 #681C16 #684516

triadic

#681C16 #16681C #1C1668

tetradic

#681C16 #396816 #166268 #451668

square

#681C16 #396816 #166268 #451668

split-complementary

#681C16 #166845 #163968

monochromatic

#190705 #350E0B #681C16 #9B2A21 #CD372B

Accessibility & contrast

On white

11.89

#681C16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#681C16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681C16

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681C16	#FFFFFF	#000000	##FFFFFF
##681C16	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)

#322D15

Deuteranopia (green-blind)

#453D13

Tritanopia (blue-blind)

#73041B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681c16;
/* rgb */ color: rgb(104, 28, 22);
/* oklch */ color: oklch(35.0% 0.109 28.5);

Tailwind

colors: {
  custom: {
    50: '#9a5e53',
    500: '#681c16',
    950: '#000000',
  },
}

SCSS

$custom: #681c16;
$custom-light: #9a5e53;
$custom-dark: #000000;

JSON

{
  "hex": "#681c16",
  "rgb": {
    "r": 104,
    "g": 28,
    "b": 22
  },
  "hsl": {
    "h": 4.39,
    "s": 65.079,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34998,
    "c": 0.10947,
    "h": 28.5
  },
  "luminance": 0.03831
}

Semantic roles & 50–950 ramp

primary

#681C16

secondary

#3B979F

accent

#DCE840

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #681C16

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

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