#681B16#681B16

#681B16 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.111 H 28.0°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#681B16
RGB	rgb(104, 27, 22)
HSL	hsl(4, 65%, 25%)
HSV	hsv(4, 79%, 41%)
CMYK	cmyk(0%, 74%, 78.8%, 59.2%)
CIE-LAB	lab(22.95, 33.89, 23.14)
CIE-LCH	lch(22.95, 41.03, 34.33°)
OKLab	oklab(34.88% 0.0976 0.0519)
OKLCH	oklch(34.88% 0.111 28)
XYZ	xyz(6.2464, 3.7858, 1.1607)
Luminance	0.0379 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B16 #166368

analogous

#68163A #681B16 #684416

triadic

#681B16 #16681B #1B1668

tetradic

#681B16 #3A6816 #166368 #441668

square

#681B16 #3A6816 #166368 #441668

split-complementary

#681B16 #166844 #163A68

monochromatic

#190705 #350E0B #681B16 #9B2821 #CD352B

Accessibility & contrast

On white

11.95

#681B16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#681B16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B16

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B16	#FFFFFF	#000000	##FFFFFF
##681B16	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C15

Deuteranopia (green-blind)

#443D13

Tritanopia (blue-blind)

#73021B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681b16;
/* rgb */ color: rgb(104, 27, 22);
/* oklch */ color: oklch(34.9% 0.111 28.0);

Tailwind

colors: {
  custom: {
    50: '#9a5d53',
    500: '#681b16',
    950: '#000000',
  },
}

SCSS

$custom: #681b16;
$custom-light: #9a5d53;
$custom-dark: #000000;

JSON

{
  "hex": "#681b16",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 22
  },
  "hsl": {
    "h": 3.659,
    "s": 65.079,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34879,
    "c": 0.1105,
    "h": 28
  },
  "luminance": 0.03785
}

Semantic roles & 50–950 ramp

primary

#681B16

secondary

#3B989F

accent

#DEE840

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #681B16

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

Preview Lab → · Contrast checker → · Palette generator →