#681B37#681B37

#681B37 is a dark, moderate pink. Relative luminance 0.040; OKLCH L 35.7% C 0.112 H 2.6°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#681B37
RGB	rgb(104, 27, 55)
HSL	hsl(338, 59%, 26%)
HSV	hsv(338, 74%, 41%)
CMYK	cmyk(0%, 74%, 47.1%, 59.2%)
CIE-LAB	lab(23.68, 36.43, 1.77)
CIE-LCH	lch(23.68, 36.47, 2.79°)
OKLab	oklab(35.66% 0.1115 0.005)
OKLCH	oklch(35.66% 0.112 2.6)
XYZ	xyz(6.7910, 4.0036, 4.0289)
Luminance	0.0400 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B37 #1B684C

analogous

#681B5D #681B37 #68251B

triadic

#681B37 #37681B #1B3768

tetradic

#681B37 #5D681B #1B684C #251B68

square

#681B37 #5D681B #1B684C #251B68

split-complementary

#681B37 #1B6825 #1B5D68

monochromatic

#18060D #370E1D #681B37 #992851 #C9346A

Accessibility & contrast

On white

11.66

#681B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#681B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B37

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B37	#FFFFFF	#000000	##FFFFFF
##681B37	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2F38

Deuteranopia (green-blind)

#403E35

Tritanopia (blue-blind)

#711027

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681b37;
/* rgb */ color: rgb(104, 27, 55);
/* oklch */ color: oklch(35.7% 0.112 2.6);

Tailwind

colors: {
  custom: {
    50: '#975e6d',
    500: '#681b37',
    950: '#000000',
  },
}

SCSS

$custom: #681b37;
$custom-light: #975e6d;
$custom-dark: #000000;

JSON

{
  "hex": "#681b37",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 55
  },
  "hsl": {
    "h": 338.182,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35662,
    "c": 0.1116,
    "h": 2.6
  },
  "luminance": 0.04003
}

Semantic roles & 50–950 ramp

primary

#681B37

secondary

#429D7C

accent

#E2A946

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0507

muted

#7E797A

Preview Lab

Preview with #681B37

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

Preview Lab → · Contrast checker → · Palette generator →