#681B24#681B24

#681B24 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.1% C 0.109 H 18.3°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#681B24
RGB	rgb(104, 27, 36)
HSL	hsl(353, 59%, 26%)
HSV	hsv(353, 74%, 41%)
CMYK	cmyk(0%, 74%, 65.4%, 59.2%)
CIE-LAB	lab(23.19, 34.72, 14.14)
CIE-LCH	lch(23.19, 37.49, 22.17°)
OKLab	oklab(35.13% 0.1034 0.0342)
OKLCH	oklch(35.13% 0.109 18.3)
XYZ	xyz(6.4199, 3.8552, 2.0748)
Luminance	0.0385 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B24 #1B685F

analogous

#681B4A #681B24 #68381B

triadic

#681B24 #24681B #1B2468

tetradic

#681B24 #4A681B #1B685F #381B68

square

#681B24 #4A681B #1B685F #381B68

split-complementary

#681B24 #1B6838 #1B4A68

monochromatic

#180608 #370E13 #681B24 #992835 #C93446

Accessibility & contrast

On white

11.86

#681B24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#681B24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B24

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B24	#FFFFFF	#000000	##FFFFFF
##681B24	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302D24

Deuteranopia (green-blind)

#433D22

Tritanopia (blue-blind)

#72061F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681b24;
/* rgb */ color: rgb(104, 27, 36);
/* oklch */ color: oklch(35.1% 0.109 18.3);

Tailwind

colors: {
  custom: {
    50: '#995d5e',
    500: '#681b24',
    950: '#000000',
  },
}

SCSS

$custom: #681b24;
$custom-light: #995d5e;
$custom-dark: #000000;

JSON

{
  "hex": "#681b24",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 36
  },
  "hsl": {
    "h": 352.987,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35132,
    "c": 0.10892,
    "h": 18.3
  },
  "luminance": 0.03854
}

Semantic roles & 50–950 ramp

primary

#681B24

secondary

#429D93

accent

#E2D046

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0404

muted

#7E7979

Preview Lab

Preview with #681B24

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

Preview Lab → · Contrast checker → · Palette generator →