#662121#662121

#662121 is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.5% C 0.100 H 23.7°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX#662121
RGBrgb(102, 33, 33)
HSLhsl(0, 51%, 26%)
HSVhsv(0, 68%, 40%)
CMYKcmyk(0%, 67.6%, 67.6%, 60%)
CIE-LABlab(23.75, 31.01, 16.81)
CIE-LCHlch(23.75, 35.27, 28.46°)
OKLaboklab(35.46% 0.0913 0.04)
OKLCHoklch(35.46% 0.1 23.7)
XYZxyz(6.2985, 4.0232, 1.8834)
Luminance0.0402 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#662121 #216666
analogous
#662144 #662121 #664421
triadic
#662121 #216621 #212166
tetradic
#662121 #446621 #216666 #442166
square
#662121 #446621 #216666 #442166
split-complementary
#662121 #216644 #214466
monochromatic
#170707 #381212 #662121 #943030 #C14040

Accessibility & contrast

On white

11.64
#662121 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.80
#662121 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #662121
11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##662121#FFFFFF#000000##FFFFFF
##6621211.0011.641.8011.64
#FFFFFF11.641.0021.001.00
#0000001.8021.001.0021.00
##FFFFFF11.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#332F20
Deuteranopia (green-blind)
#443E1F
Tritanopia (blue-blind)
#701222
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #662121;
/* rgb */ color: rgb(102, 33, 33);
/* oklch */ color: oklch(35.5% 0.100 23.7);
Tailwind
colors: {
  custom: {
    50: '#97605c',
    500: '#662121',
    950: '#000000',
  },
}
SCSS
$custom: #662121;
$custom-light: #97605c;
$custom-dark: #000000;
JSON
{
  "hex": "#662121",
  "rgb": {
    "r": 102,
    "g": 33,
    "b": 33
  },
  "hsl": {
    "h": 0,
    "s": 51.111,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35459,
    "c": 0.09966,
    "h": 23.7
  },
  "luminance": 0.04022
}

Semantic roles & 50–950 ramp

primary
#662121
secondary
#499A9A
accent
#DBDB4D
background
#F9F5F5
surface
#F2EAE9
border
#CCC6C5
text
#0E0504
muted
#7E7979

Preview Lab

Preview with #662121

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

Preview Lab → · Contrast checker → · Palette generator →

#662121 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva