#68181B#68181B

#68181B is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.113 H 23.5°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#68181B
RGB	rgb(104, 24, 27)
HSL	hsl(358, 63%, 25%)
HSV	hsv(358, 77%, 41%)
CMYK	cmyk(0%, 76.9%, 74%, 59.2%)
CIE-LAB	lab(22.57, 35.39, 19.45)
CIE-LCH	lch(22.57, 40.38, 28.79°)
OKLab	oklab(34.62% 0.1035 0.0449)
OKLCH	oklch(34.62% 0.113 23.5)
XYZ	xyz(6.2341, 3.6764, 1.4181)
Luminance	0.0367 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#68181B #186865

analogous

#681843 #68181B #683D18

triadic

#68181B #1B6818 #181B68

tetradic

#68181B #436818 #186865 #3D1868

square

#68181B #436818 #186865 #3D1868

split-complementary

#68181B #18683D #184368

monochromatic

#190606 #360D0E #68181B #9A2328 #CB2F35

Accessibility & contrast

On white

12.10

#68181B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#68181B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #68181B

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##68181B	#FFFFFF	#000000	##FFFFFF
##68181B	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2B1A

Deuteranopia (green-blind)

#433C18

Tritanopia (blue-blind)

#73001A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #68181b;
/* rgb */ color: rgb(104, 24, 27);
/* oklch */ color: oklch(34.6% 0.113 23.5);

Tailwind

colors: {
  custom: {
    50: '#9a5c57',
    500: '#68181b',
    950: '#000000',
  },
}

SCSS

$custom: #68181b;
$custom-light: #9a5c57;
$custom-dark: #000000;

JSON

{
  "hex": "#68181b",
  "rgb": {
    "r": 104,
    "g": 24,
    "b": 27
  },
  "hsl": {
    "h": 357.75,
    "s": 62.5,
    "l": 25.098
  },
  "oklch": {
    "l": 0.3462,
    "c": 0.11281,
    "h": 23.5
  },
  "luminance": 0.03675
}

Semantic roles & 50–950 ramp

primary

#68181B

secondary

#3E9E9A

accent

#E6DF42

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #68181B

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

Preview Lab → · Contrast checker → · Palette generator →