#681B22#681B22

#681B22 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.1% C 0.109 H 19.9°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#681B22
RGB	rgb(104, 27, 34)
HSL	hsl(355, 59%, 26%)
HSV	hsv(355, 74%, 41%)
CMYK	cmyk(0%, 74%, 67.3%, 59.2%)
CIE-LAB	lab(23.15, 34.58, 15.45)
CIE-LCH	lch(23.15, 37.87, 24.08°)
OKLab	oklab(35.09% 0.1025 0.037)
OKLCH	oklch(35.09% 0.109 19.9)
XYZ	xyz(6.3902, 3.8433, 1.9184)
Luminance	0.0384 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#681B22 #1B6861

analogous

#681B48 #681B22 #683A1B

triadic

#681B22 #22681B #1B2268

tetradic

#681B22 #48681B #1B6861 #3A1B68

square

#681B22 #48681B #1B6861 #3A1B68

split-complementary

#681B22 #1B683A #1B4868

monochromatic

#180608 #370E12 #681B22 #992832 #C93442

Accessibility & contrast

On white

11.88

#681B22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#681B22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #681B22

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##681B22	#FFFFFF	#000000	##FFFFFF
##681B22	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302D22

Deuteranopia (green-blind)

#433D20

Tritanopia (blue-blind)

#73061E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #681b22;
/* rgb */ color: rgb(104, 27, 34);
/* oklch */ color: oklch(35.1% 0.109 19.9);

Tailwind

colors: {
  custom: {
    50: '#995d5c',
    500: '#681b22',
    950: '#000000',
  },
}

SCSS

$custom: #681b22;
$custom-light: #995d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#681b22",
  "rgb": {
    "r": 104,
    "g": 27,
    "b": 34
  },
  "hsl": {
    "h": 354.545,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35089,
    "c": 0.109,
    "h": 19.9
  },
  "luminance": 0.03842
}

Semantic roles & 50–950 ramp

primary

#681B22

secondary

#429D95

accent

#E2D446

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0404

muted

#7E7979

Preview Lab

Preview with #681B22

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

Preview Lab → · Contrast checker → · Palette generator →