#66161D#66161D

#66161D is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.1% C 0.112 H 21.0°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX#66161D
RGBrgb(102, 22, 29)
HSLhsl(355, 65%, 24%)
HSVhsv(355, 78%, 40%)
CMYKcmyk(0%, 78.4%, 71.6%, 60%)
CIE-LABlab(21.90, 35.59, 17.19)
CIE-LCHlch(21.90, 39.53, 25.78°)
OKLaboklab(34.06% 0.1049 0.0403)
OKLCHoklch(34.06% 0.112 21)
XYZxyz(5.9888, 3.4882, 1.5201)
Luminance0.0349 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66161D #16665F
analogous
#661645 #66161D #663716
triadic
#66161D #1D6616 #161D66
tetradic
#66161D #456616 #16665F #371666
square
#66161D #456616 #16665F #371666
split-complementary
#66161D #166637 #164566
monochromatic
#190507 #340B0F #66161D #98212B #CB2C3A

Accessibility & contrast

On white

12.37
#66161D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.70
#66161D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66161D
12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66161D#FFFFFF#000000##FFFFFF
##66161D1.0012.371.7012.37
#FFFFFF12.371.0021.001.00
#0000001.7021.001.0021.00
##FFFFFF12.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D2A1D
Deuteranopia (green-blind)
#413B1B
Tritanopia (blue-blind)
#710019
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #66161d;
/* rgb */ color: rgb(102, 22, 29);
/* oklch */ color: oklch(34.1% 0.112 21.0);
Tailwind
colors: {
  custom: {
    50: '#985b58',
    500: '#66161d',
    950: '#000000',
  },
}
SCSS
$custom: #66161d;
$custom-light: #985b58;
$custom-dark: #000000;
JSON
{
  "hex": "#66161d",
  "rgb": {
    "r": 102,
    "g": 22,
    "b": 29
  },
  "hsl": {
    "h": 354.75,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34056,
    "c": 0.1124,
    "h": 21
  },
  "luminance": 0.03487
}

Semantic roles & 50–950 ramp

primary
#66161D
secondary
#3B9D94
accent
#E8D940
background
#F9F5F5
surface
#F2E9E9
border
#CCC5C5
text
#0F0403
muted
#7E7978

Preview Lab

Preview with #66161D

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

Preview Lab → · Contrast checker → · Palette generator →

#66161D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva