#66121C#66121C

#66121C is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.7% C 0.116 H 20.2°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX#66121C
RGBrgb(102, 18, 28)
HSLhsl(353, 70%, 24%)
HSVhsv(353, 82%, 40%)
CMYKcmyk(0%, 82.4%, 72.5%, 60%)
CIE-LABlab(21.36, 36.99, 17.21)
CIE-LCHlch(21.36, 40.79, 24.95°)
OKLaboklab(33.65% 0.1091 0.0402)
OKLCHoklch(33.65% 0.116 20.2)
XYZxyz(5.9061, 3.3421, 1.4325)
Luminance0.0334 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66121C #12665C
analogous
#661246 #66121C #663212
triadic
#66121C #1C6612 #121C66
tetradic
#66121C #466612 #12665C #321266
square
#66121C #466612 #12665C #321266
split-complementary
#66121C #126632 #124666
monochromatic
#1A0507 #32090E #66121C #9A1B2A #CE2439

Accessibility & contrast

On white

12.59
#66121C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.67
#66121C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66121C
12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66121C#FFFFFF#000000##FFFFFF
##66121C1.0012.591.6712.59
#FFFFFF12.591.0021.001.00
#0000001.6721.001.0021.00
##FFFFFF12.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B281C
Deuteranopia (green-blind)
#403A19
Tritanopia (blue-blind)
#710017
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #66121c;
/* rgb */ color: rgb(102, 18, 28);
/* oklch */ color: oklch(33.7% 0.116 20.2);
Tailwind
colors: {
  custom: {
    50: '#985958',
    500: '#66121c',
    950: '#000000',
  },
}
SCSS
$custom: #66121c;
$custom-light: #985958;
$custom-dark: #000000;
JSON
{
  "hex": "#66121c",
  "rgb": {
    "r": 102,
    "g": 18,
    "b": 28
  },
  "hsl": {
    "h": 352.857,
    "s": 70,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33652,
    "c": 0.1163,
    "h": 20.2
  },
  "luminance": 0.03341
}

Semantic roles & 50–950 ramp

primary
#66121C
secondary
#369E91
accent
#EDD83B
background
#FAF5F5
surface
#F3E9E9
border
#CDC5C5
text
#0F0403
muted
#7F7978

Preview Lab

Preview with #66121C

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

Preview Lab → · Contrast checker → · Palette generator →

#66121C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva