#681E1B#681E1B

#681E1B is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.3% C 0.106 H 26.4°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#681E1B
RGB	rgb(104, 30, 27)
HSL	hsl(2, 59%, 26%)
HSV	hsv(2, 74%, 41%)
CMYK	cmyk(0%, 71.2%, 74%, 59.2%)
CIE-LAB	lab(23.51, 32.81, 20.57)
CIE-LCH	lch(23.51, 38.72, 32.08°)
OKLab	oklab(35.32% 0.0953 0.0474)
OKLCH	oklch(35.32% 0.106 26.4)
XYZ	xyz(6.3717, 3.9517, 1.4639)
Luminance	0.0395 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681E1B #1B6568

analogous

#681B3E #681E1B #68441B

triadic

#681E1B #1B681E #1E1B68

tetradic

#681E1B #3E681B #1B6568 #441B68

square

#681E1B #3E681B #1B6568 #441B68

split-complementary

#681E1B #1B6844 #1B3E68

monochromatic

#180706 #37100E #681E1B #992C28 #C93A34

Accessibility & contrast

On white

11.73

#681E1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#681E1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681E1B

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681E1B	#FFFFFF	#000000	##FFFFFF
##681E1B	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332E1A

Deuteranopia (green-blind)

#453E19

Tritanopia (blue-blind)

#73091E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681e1b;
/* rgb */ color: rgb(104, 30, 27);
/* oklch */ color: oklch(35.3% 0.106 26.4);

Tailwind

colors: {
  custom: {
    50: '#995f57',
    500: '#681e1b',
    950: '#000000',
  },
}

SCSS

$custom: #681e1b;
$custom-light: #995f57;
$custom-dark: #000000;

JSON

{
  "hex": "#681e1b",
  "rgb": {
    "r": 104,
    "g": 30,
    "b": 27
  },
  "hsl": {
    "h": 2.338,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35322,
    "c": 0.10646,
    "h": 26.4
  },
  "luminance": 0.03951
}

Semantic roles & 50–950 ramp

primary

#681E1B

secondary

#429A9D

accent

#DCE246

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #681E1B

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

Preview Lab → · Contrast checker → · Palette generator →