#681B10#681B10

#681B10 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.8% C 0.112 H 31.2°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#681B10
RGB	rgb(104, 27, 16)
HSL	hsl(8, 73%, 24%)
HSV	hsv(8, 85%, 41%)
CMYK	cmyk(0%, 74%, 84.6%, 59.2%)
CIE-LAB	lab(22.88, 33.64, 26.71)
CIE-LCH	lch(22.88, 42.95, 38.45°)
OKLab	oklab(34.8% 0.0954 0.0578)
OKLCH	oklch(34.8% 0.112 31.2)
XYZ	xyz(6.1951, 3.7653, 0.8907)
Luminance	0.0376 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B10 #105D68

analogous

#681031 #681B10 #684710

triadic

#681B10 #10681B #1B1068

tetradic

#681B10 #316810 #105D68 #471068

square

#681B10 #316810 #105D68 #471068

split-complementary

#681B10 #106847 #103168

monochromatic

#1B0704 #330D08 #681B10 #9D2918 #D23720

Accessibility & contrast

On white

11.98

#681B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#681B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B10

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B10	#FFFFFF	#000000	##FFFFFF
##681B10	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322C0E

Deuteranopia (green-blind)

#453D0D

Tritanopia (blue-blind)

#730019

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681b10;
/* rgb */ color: rgb(104, 27, 16);
/* oklch */ color: oklch(34.8% 0.112 31.2);

Tailwind

colors: {
  custom: {
    50: '#9a5d4f',
    500: '#681b10',
    950: '#000000',
  },
}

SCSS

$custom: #681b10;
$custom-light: #9a5d4f;
$custom-dark: #000000;

JSON

{
  "hex": "#681b10",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 16
  },
  "hsl": {
    "h": 7.5,
    "s": 73.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34804,
    "c": 0.11159,
    "h": 31.2
  },
  "luminance": 0.03764
}

Semantic roles & 50–950 ramp

primary

#681B10

secondary

#3493A0

accent

#D9F038

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #681B10

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

Preview Lab → · Contrast checker → · Palette generator →