#66111E#66111E

#66111E is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.6% C 0.117 H 18.5°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX#66111E
RGBrgb(102, 17, 30)
HSLhsl(351, 71%, 23%)
HSVhsv(351, 83%, 40%)
CMYKcmyk(0%, 83.3%, 70.6%, 60%)
CIE-LABlab(21.28, 37.44, 15.73)
CIE-LCHlch(21.28, 40.61, 22.79°)
OKLaboklab(33.6% 0.1111 0.0372)
OKLCHoklch(33.6% 0.117 18.5)
XYZxyz(5.9149, 3.3203, 1.5575)
Luminance0.0332 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66111E #116659
analogous
#661148 #66111E #662E11
triadic
#66111E #1E6611 #111E66
tetradic
#66111E #486611 #116659 #2E1166
square
#66111E #486611 #116659 #2E1166
split-complementary
#66111E #11662E #114866
monochromatic
#1A0408 #32080F #66111E #9A1A2D #CF223D

Accessibility & contrast

On white

12.62
#66111E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.66
#66111E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66111E
12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66111E#FFFFFF#000000##FFFFFF
##66111E1.0012.621.6612.62
#FFFFFF12.621.0021.001.00
#0000001.6621.001.0021.00
##FFFFFF12.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A281E
Deuteranopia (green-blind)
#40391B
Tritanopia (blue-blind)
#710017
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #66111e;
/* rgb */ color: rgb(102, 17, 30);
/* oklch */ color: oklch(33.6% 0.117 18.5);
Tailwind
colors: {
  custom: {
    50: '#985959',
    500: '#66111e',
    950: '#000000',
  },
}
SCSS
$custom: #66111e;
$custom-light: #985959;
$custom-dark: #000000;
JSON
{
  "hex": "#66111e",
  "rgb": {
    "r": 102,
    "g": 17,
    "b": 30
  },
  "hsl": {
    "h": 350.824,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33603,
    "c": 0.11712,
    "h": 18.5
  },
  "luminance": 0.03319
}

Semantic roles & 50–950 ramp

primary
#66111E
secondary
#359E8E
accent
#EED33A
background
#FAF5F5
surface
#F3E9E9
border
#CDC5C5
text
#0F0403
muted
#7F7978

Preview Lab

Preview with #66111E

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

Preview Lab → · Contrast checker → · Palette generator →

#66111E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva