#681F18#681F18

#681F18 is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.106 H 29.0°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#681F18
RGB	rgb(104, 31, 24)
HSL	hsl(5, 63%, 25%)
HSV	hsv(5, 77%, 41%)
CMYK	cmyk(0%, 70.2%, 76.9%, 59.2%)
CIE-LAB	lab(23.64, 32.19, 22.64)
CIE-LCH	lch(23.64, 39.35, 35.13°)
OKLab	oklab(35.4% 0.0927 0.0513)
OKLCH	oklch(35.4% 0.106 29)
XYZ	xyz(6.3645, 3.9899, 1.2990)
Luminance	0.0399 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681F18 #186168

analogous

#681839 #681F18 #684718

triadic

#681F18 #18681F #1F1868

tetradic

#681F18 #396818 #186168 #471868

square

#681F18 #396818 #186168 #471868

split-complementary

#681F18 #186847 #183968

monochromatic

#190706 #36100D #681F18 #9A2E23 #CB3D2F

Accessibility & contrast

On white

11.68

#681F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#681F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681F18

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681F18	#FFFFFF	#000000	##FFFFFF
##681F18	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332E17

Deuteranopia (green-blind)

#463E16

Tritanopia (blue-blind)

#730B1E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681f18;
/* rgb */ color: rgb(104, 31, 24);
/* oklch */ color: oklch(35.4% 0.106 29.0);

Tailwind

colors: {
  custom: {
    50: '#995f55',
    500: '#681f18',
    950: '#000000',
  },
}

SCSS

$custom: #681f18;
$custom-light: #995f55;
$custom-dark: #000000;

JSON

{
  "hex": "#681f18",
  "rgb": {
    "r": 104,
    "g": 31,
    "b": 24
  },
  "hsl": {
    "h": 5.25,
    "s": 62.5,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35403,
    "c": 0.10593,
    "h": 29
  },
  "luminance": 0.03989
}

Semantic roles & 50–950 ramp

primary

#681F18

secondary

#3E969E

accent

#D7E642

background

#FAF5F4

surface

#F3E9E8

border

#CDC5C4

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #681F18

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

Preview Lab → · Contrast checker → · Palette generator →