#681F0F#681F0F

#681F0F is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.3% C 0.108 H 33.9°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#681F0F
RGB	rgb(104, 31, 15)
HSL	hsl(11, 75%, 23%)
HSV	hsv(11, 86%, 41%)
CMYK	cmyk(0%, 70.2%, 85.6%, 59.2%)
CIE-LAB	lab(23.53, 31.79, 27.92)
CIE-LCH	lch(23.53, 42.31, 41.29°)
OKLab	oklab(35.29% 0.0895 0.0601)
OKLCH	oklch(35.29% 0.108 33.9)
XYZ	xyz(6.2858, 3.9585, 0.8849)
Luminance	0.0396 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681F0F #0F5868

analogous

#680F2B #681F0F #684B0F

triadic

#681F0F #0F681F #1F0F68

tetradic

#681F0F #2B680F #0F5868 #4B0F68

square

#681F0F #2B680F #0F5868 #4B0F68

split-complementary

#681F0F #0F684B #0F2B68

monochromatic

#1B0804 #330F07 #681F0F #9D2F17 #D33F1E

Accessibility & contrast

On white

11.72

#681F0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#681F0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681F0F

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681F0F	#FFFFFF	#000000	##FFFFFF
##681F0F	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342E0C

Deuteranopia (green-blind)

#463E0C

Tritanopia (blue-blind)

#73091C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681f0f;
/* rgb */ color: rgb(104, 31, 15);
/* oklch */ color: oklch(35.3% 0.108 33.9);

Tailwind

colors: {
  custom: {
    50: '#9a5f4f',
    500: '#681f0f',
    950: '#000000',
  },
}

SCSS

$custom: #681f0f;
$custom-light: #9a5f4f;
$custom-dark: #000000;

JSON

{
  "hex": "#681f0f",
  "rgb": {
    "r": 104,
    "g": 31,
    "b": 15
  },
  "hsl": {
    "h": 10.787,
    "s": 74.79,
    "l": 23.333
  },
  "oklch": {
    "l": 0.35291,
    "c": 0.10784,
    "h": 33.9
  },
  "luminance": 0.03958
}

Semantic roles & 50–950 ramp

primary

#681F0F

secondary

#328DA1

accent

#D0F136

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0502

muted

#7F7978

Preview Lab

Preview with #681F0F

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

Preview Lab → · Contrast checker → · Palette generator →