#681C23#681C23

#681C23 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.108 H 19.6°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#681C23
RGB	rgb(104, 28, 35)
HSL	hsl(354, 58%, 26%)
HSV	hsv(354, 73%, 41%)
CMYK	cmyk(0%, 73.1%, 66.3%, 59.2%)
CIE-LAB	lab(23.32, 34.21, 15.00)
CIE-LCH	lch(23.32, 37.36, 23.67°)
OKLab	oklab(35.23% 0.1016 0.0361)
OKLCH	oklch(35.23% 0.108 19.6)
XYZ	xyz(6.4282, 3.8958, 2.0033)
Luminance	0.0389 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681C23 #1C6861

analogous

#681C49 #681C23 #683B1C

triadic

#681C23 #23681C #1C2368

tetradic

#681C23 #49681C #1C6861 #3B1C68

square

#681C23 #49681C #1C6861 #3B1C68

split-complementary

#681C23 #1C683B #1C4968

monochromatic

#180608 #380F13 #681C23 #982933 #C83643

Accessibility & contrast

On white

11.80

#681C23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#681C23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681C23

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681C23	#FFFFFF	#000000	##FFFFFF
##681C23	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)

#302D23

Deuteranopia (green-blind)

#443D21

Tritanopia (blue-blind)

#73081F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #681c23;
/* rgb */ color: rgb(104, 28, 35);
/* oklch */ color: oklch(35.2% 0.108 19.6);

Tailwind

colors: {
  custom: {
    50: '#995e5d',
    500: '#681c23',
    950: '#000000',
  },
}

SCSS

$custom: #681c23;
$custom-light: #995e5d;
$custom-dark: #000000;

JSON

{
  "hex": "#681c23",
  "rgb": {
    "r": 104,
    "g": 28,
    "b": 35
  },
  "hsl": {
    "h": 354.474,
    "s": 57.576,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35228,
    "c": 0.1078,
    "h": 19.6
  },
  "luminance": 0.03895
}

Semantic roles & 50–950 ramp

primary

#681C23

secondary

#439D95

accent

#E1D347

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0504

muted

#7E7979

Preview Lab

Preview with #681C23

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

Preview Lab → · Contrast checker → · Palette generator →