#66191C#66191C

#66191C is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.4% C 0.109 H 23.0°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX#66191C
RGBrgb(102, 25, 28)
HSLhsl(358, 61%, 25%)
HSVhsv(358, 75%, 40%)
CMYKcmyk(0%, 75.5%, 72.5%, 60%)
CIE-LABlab(22.32, 34.33, 18.38)
CIE-LCHlch(22.32, 38.94, 28.16°)
OKLaboklab(34.36% 0.1007 0.0428)
OKLCHoklch(34.36% 0.109 23)
XYZxyz(6.0374, 3.6048, 1.4763)
Luminance0.0360 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66191C #196663
analogous
#661943 #66191C #663C19
triadic
#66191C #1C6619 #191C66
tetradic
#66191C #436619 #196663 #3C1966
square
#66191C #436619 #196663 #3C1966
split-complementary
#66191C #19663C #194366
monochromatic
#190607 #350D0F #66191C #972529 #C83137

Accessibility & contrast

On white

12.20
#66191C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.72
#66191C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66191C
12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66191C#FFFFFF#000000##FFFFFF
##66191C1.0012.201.7212.20
#FFFFFF12.201.0021.001.00
#0000001.7221.001.0021.00
##FFFFFF12.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F2B1B
Deuteranopia (green-blind)
#423B1A
Tritanopia (blue-blind)
#71011B
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #66191c;
/* rgb */ color: rgb(102, 25, 28);
/* oklch */ color: oklch(34.4% 0.109 23.0);
Tailwind
colors: {
  custom: {
    50: '#985c58',
    500: '#66191c',
    950: '#000000',
  },
}
SCSS
$custom: #66191c;
$custom-light: #985c58;
$custom-dark: #000000;
JSON
{
  "hex": "#66191c",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 28
  },
  "hsl": {
    "h": 357.662,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34361,
    "c": 0.10939,
    "h": 23
  },
  "luminance": 0.03604
}

Semantic roles & 50–950 ramp

primary
#66191C
secondary
#3F9C98
accent
#E4DE44
background
#F9F5F5
surface
#F2E9E9
border
#CCC5C5
text
#0F0403
muted
#7E7978

Preview Lab

Preview with #66191C

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

Preview Lab → · Contrast checker → · Palette generator →

#66191C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva