#66281A#66281A

#66281A is a dark, moderate red. Relative luminance 0.044; OKLCH L 36.4% C 0.093 H 34.2°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX#66281A
RGBrgb(102, 40, 26)
HSLhsl(11, 59%, 25%)
HSVhsv(11, 75%, 40%)
CMYKcmyk(0%, 60.8%, 74.5%, 60%)
CIE-LABlab(25.01, 26.93, 22.85)
CIE-LCHlch(25.01, 35.32, 40.31°)
OKLaboklab(36.37% 0.077 0.0523)
OKLCHoklch(36.37% 0.093 34.2)
XYZxyz(6.4254, 4.4178, 1.4914)
Luminance0.0442 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66281A #1A5866
analogous
#661A32 #66281A #664E1A
triadic
#66281A #1A6628 #281A66
tetradic
#66281A #32661A #1A5866 #4E1A66
square
#66281A #32661A #1A5866 #4E1A66
split-complementary
#66281A #1A664E #1A3266
monochromatic
#180A06 #35150E #66281A #973B26 #C84E33

Accessibility & contrast

On white

11.15
#66281A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.88
#66281A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66281A
11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66281A#FFFFFF#000000##FFFFFF
##66281A1.0011.151.8811.15
#FFFFFF11.151.0021.001.00
#0000001.8821.001.0021.00
##FFFFFF11.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#393318
Deuteranopia (green-blind)
#484018
Tritanopia (blue-blind)
#701B25
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #66281a;
/* rgb */ color: rgb(102, 40, 26);
/* oklch */ color: oklch(36.4% 0.093 34.2);
Tailwind
colors: {
  custom: {
    50: '#976457',
    500: '#66281a',
    950: '#000000',
  },
}
SCSS
$custom: #66281a;
$custom-light: #976457;
$custom-dark: #000000;
JSON
{
  "hex": "#66281a",
  "rgb": {
    "r": 102,
    "g": 40,
    "b": 26
  },
  "hsl": {
    "h": 11.053,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.36372,
    "c": 0.09306,
    "h": 34.2
  },
  "luminance": 0.04417
}

Semantic roles & 50–950 ramp

primary
#66281A
secondary
#408B9C
accent
#C6E345
background
#F9F6F5
surface
#F2EBE9
border
#CCC6C5
text
#0E0503
muted
#7E7A78

Preview Lab

Preview with #66281A

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

Preview Lab → · Contrast checker → · Palette generator →

#66281A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva