#681B11#681B11

#681B11 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.8% C 0.111 H 30.7°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#681B11
RGB	rgb(104, 27, 17)
HSL	hsl(7, 72%, 24%)
HSV	hsv(7, 84%, 41%)
CMYK	cmyk(0%, 74%, 83.7%, 59.2%)
CIE-LAB	lab(22.89, 33.67, 26.15)
CIE-LCH	lch(22.89, 42.63, 37.83°)
OKLab	oklab(34.82% 0.0958 0.0569)
OKLCH	oklch(34.82% 0.111 30.7)
XYZ	xyz(6.2027, 3.7683, 0.9310)
Luminance	0.0377 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B11 #115E68

analogous

#681132 #681B11 #684611

triadic

#681B11 #11681B #1B1168

tetradic

#681B11 #326811 #115E68 #461168

square

#681B11 #326811 #115E68 #461168

split-complementary

#681B11 #116846 #113268

monochromatic

#1A0704 #330D08 #681B11 #9D291A #D13622

Accessibility & contrast

On white

11.98

#681B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#681B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B11

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B11	#FFFFFF	#000000	##FFFFFF
##681B11	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)

#322C0F

Deuteranopia (green-blind)

#453D0E

Tritanopia (blue-blind)

#730119

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681b11;
/* rgb */ color: rgb(104, 27, 17);
/* oklch */ color: oklch(34.8% 0.111 30.7);

Tailwind

colors: {
  custom: {
    50: '#9a5d50',
    500: '#681b11',
    950: '#000000',
  },
}

SCSS

$custom: #681b11;
$custom-light: #9a5d50;
$custom-dark: #000000;

JSON

{
  "hex": "#681b11",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 17
  },
  "hsl": {
    "h": 6.897,
    "s": 71.901,
    "l": 23.725
  },
  "oklch": {
    "l": 0.34815,
    "c": 0.11141,
    "h": 30.7
  },
  "luminance": 0.03767
}

Semantic roles & 50–950 ramp

primary

#681B11

secondary

#3594A0

accent

#DAEF39

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #681B11

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

Preview Lab → · Contrast checker → · Palette generator →