#681C28#681C28

#681C28 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.3% C 0.108 H 15.6°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#681C28
RGB	rgb(104, 28, 40)
HSL	hsl(351, 58%, 26%)
HSV	hsv(351, 73%, 41%)
CMYK	cmyk(0%, 73.1%, 61.5%, 59.2%)
CIE-LAB	lab(23.43, 34.59, 11.73)
CIE-LCH	lch(23.43, 36.53, 18.74°)
OKLab	oklab(35.34% 0.1038 0.029)
OKLCH	oklch(35.34% 0.108 15.6)
XYZ	xyz(6.5078, 3.9277, 2.4225)
Luminance	0.0393 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681C28 #1C685C

analogous

#681C4E #681C28 #68361C

triadic

#681C28 #28681C #1C2868

tetradic

#681C28 #4E681C #1C685C #361C68

square

#681C28 #4E681C #1C685C #361C68

split-complementary

#681C28 #1C6836 #1C4E68

monochromatic

#180609 #380F15 #681C28 #98293B #C8364D

Accessibility & contrast

On white

11.76

#681C28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#681C28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681C28

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681C28	#FFFFFF	#000000	##FFFFFF
##681C28	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2E28

Deuteranopia (green-blind)

#433E26

Tritanopia (blue-blind)

#720A21

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681c28;
/* rgb */ color: rgb(104, 28, 40);
/* oklch */ color: oklch(35.3% 0.108 15.6);

Tailwind

colors: {
  custom: {
    50: '#985e61',
    500: '#681c28',
    950: '#000000',
  },
}

SCSS

$custom: #681c28;
$custom-light: #985e61;
$custom-dark: #000000;

JSON

{
  "hex": "#681c28",
  "rgb": {
    "r": 104,
    "g": 28,
    "b": 40
  },
  "hsl": {
    "h": 350.526,
    "s": 57.576,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35342,
    "c": 0.10774,
    "h": 15.6
  },
  "luminance": 0.03927
}

Semantic roles & 50–950 ramp

primary

#681C28

secondary

#439D8F

accent

#E1C947

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0505

muted

#7E7979

Preview Lab

Preview with #681C28

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

Preview Lab → · Contrast checker → · Palette generator →