#681C24#681C24

#681C24 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.108 H 18.8°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#681C24
RGB	rgb(104, 28, 36)
HSL	hsl(354, 58%, 26%)
HSV	hsv(354, 73%, 41%)
CMYK	cmyk(0%, 73.1%, 65.4%, 59.2%)
CIE-LAB	lab(23.34, 34.29, 14.35)
CIE-LCH	lch(23.34, 37.17, 22.71°)
OKLab	oklab(35.25% 0.102 0.0347)
OKLCH	oklch(35.25% 0.108 18.8)
XYZ	xyz(6.4433, 3.9018, 2.0826)
Luminance	0.0390 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681C24 #1C6860

analogous

#681C4A #681C24 #683A1C

triadic

#681C24 #24681C #1C2468

tetradic

#681C24 #4A681C #1C6860 #3A1C68

square

#681C24 #4A681C #1C6860 #3A1C68

split-complementary

#681C24 #1C683A #1C4A68

monochromatic

#180608 #380F13 #681C24 #982935 #C83645

Accessibility & contrast

On white

11.80

#681C24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#681C24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681C24

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681C24	#FFFFFF	#000000	##FFFFFF
##681C24	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302D24

Deuteranopia (green-blind)

#433E22

Tritanopia (blue-blind)

#72081F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681c24;
/* rgb */ color: rgb(104, 28, 36);
/* oklch */ color: oklch(35.2% 0.108 18.8);

Tailwind

colors: {
  custom: {
    50: '#995e5e',
    500: '#681c24',
    950: '#000000',
  },
}

SCSS

$custom: #681c24;
$custom-light: #995e5e;
$custom-dark: #000000;

JSON

{
  "hex": "#681c24",
  "rgb": {
    "r": 104,
    "g": 28,
    "b": 36
  },
  "hsl": {
    "h": 353.684,
    "s": 57.576,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35249,
    "c": 0.10776,
    "h": 18.8
  },
  "luminance": 0.03901
}

Semantic roles & 50–950 ramp

primary

#681C24

secondary

#439D94

accent

#E1D147

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0504

muted

#7E7979

Preview Lab

Preview with #681C24

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

Preview Lab → · Contrast checker → · Palette generator →