#681C13#681C13

#681C13 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.110 H 30.2°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#681C13
RGB	rgb(104, 28, 19)
HSL	hsl(6, 69%, 24%)
HSV	hsv(6, 82%, 41%)
CMYK	cmyk(0%, 73.1%, 81.7%, 59.2%)
CIE-LAB	lab(23.07, 33.32, 25.14)
CIE-LCH	lch(23.07, 41.74, 37.03°)
OKLab	oklab(34.96% 0.0951 0.0553)
OKLCH	oklch(34.96% 0.11 30.2)
XYZ	xyz(6.2424, 3.8215, 1.0249)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681C13 #135F68

analogous

#681335 #681C13 #684713

triadic

#681C13 #13681C #1C1368

tetradic

#681C13 #356813 #135F68 #471368

square

#681C13 #356813 #135F68 #471368

split-complementary

#681C13 #136847 #133568

monochromatic

#1A0705 #340E0A #681C13 #9C2A1C #CF3826

Accessibility & contrast

On white

11.90

#681C13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#681C13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681C13

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681C13	#FFFFFF	#000000	##FFFFFF
##681C13	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322C11

Deuteranopia (green-blind)

#453D10

Tritanopia (blue-blind)

#73031B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681c13;
/* rgb */ color: rgb(104, 28, 19);
/* oklch */ color: oklch(35.0% 0.110 30.2);

Tailwind

colors: {
  custom: {
    50: '#9a5d51',
    500: '#681c13',
    950: '#000000',
  },
}

SCSS

$custom: #681c13;
$custom-light: #9a5d51;
$custom-dark: #000000;

JSON

{
  "hex": "#681c13",
  "rgb": {
    "r": 104,
    "g": 28,
    "b": 19
  },
  "hsl": {
    "h": 6.353,
    "s": 69.106,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34959,
    "c": 0.11003,
    "h": 30.2
  },
  "luminance": 0.03821
}

Semantic roles & 50–950 ramp

primary

#681C13

secondary

#37949F

accent

#D9EC3C

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #681C13

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

Preview Lab → · Contrast checker → · Palette generator →