#681C0F#681C0F

#681C0F is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.111 H 32.2°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#681C0F
RGB	rgb(104, 28, 15)
HSL	hsl(9, 75%, 23%)
HSV	hsv(9, 86%, 41%)
CMYK	cmyk(0%, 73.1%, 85.6%, 59.2%)
CIE-LAB	lab(23.03, 33.16, 27.41)
CIE-LCH	lch(23.03, 43.02, 39.57°)
OKLab	oklab(34.91% 0.0938 0.059)
OKLCH	oklch(34.91% 0.111 32.2)
XYZ	xyz(6.2111, 3.8090, 0.8600)
Luminance	0.0381 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681C0F #0F5B68

analogous

#680F2E #681C0F #68480F

triadic

#681C0F #0F681C #1C0F68

tetradic

#681C0F #2E680F #0F5B68 #480F68

square

#681C0F #2E680F #0F5B68 #480F68

split-complementary

#681C0F #0F6848 #0F2E68

monochromatic

#1B0704 #330E07 #681C0F #9D2A17 #D3391E

Accessibility & contrast

On white

11.92

#681C0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#681C0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681C0F

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681C0F	#FFFFFF	#000000	##FFFFFF
##681C0F	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322C0D

Deuteranopia (green-blind)

#453D0B

Tritanopia (blue-blind)

#73021A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681c0f;
/* rgb */ color: rgb(104, 28, 15);
/* oklch */ color: oklch(34.9% 0.111 32.2);

Tailwind

colors: {
  custom: {
    50: '#9a5d4e',
    500: '#681c0f',
    950: '#000000',
  },
}

SCSS

$custom: #681c0f;
$custom-light: #9a5d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#681c0f",
  "rgb": {
    "r": 104,
    "g": 28,
    "b": 15
  },
  "hsl": {
    "h": 8.764,
    "s": 74.79,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34913,
    "c": 0.1108,
    "h": 32.2
  },
  "luminance": 0.03808
}

Semantic roles & 50–950 ramp

primary

#681C0F

secondary

#3290A1

accent

#D6F136

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0401

muted

#7F7977

Preview Lab

Preview with #681C0F

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

Preview Lab → · Contrast checker → · Palette generator →