#66331F#66331F

#66331F is a dark, moderate orange. Relative luminance 0.053; OKLCH L 38.3% C 0.080 H 41.6°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX#66331F
RGBrgb(102, 51, 31)
HSLhsl(17, 53%, 26%)
HSVhsv(17, 70%, 40%)
CMYKcmyk(0%, 50%, 69.6%, 60%)
CIE-LABlab(27.55, 20.97, 22.73)
CIE-LCHlch(27.55, 30.93, 47.30°)
OKLaboklab(38.33% 0.0597 0.0529)
OKLCHoklch(38.33% 0.08 41.6)
XYZxyz(6.9112, 5.2921, 1.9536)
Luminance0.0529 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66331F #1F5266
analogous
#661F2E #66331F #66561F
triadic
#66331F #1F6633 #331F66
tetradic
#66331F #2E661F #1F5266 #561F66
square
#66331F #2E661F #1F5266 #561F66
split-complementary
#66331F #1F6656 #1F2E66
monochromatic
#170C07 #371C11 #66331F #954A2D #C4623C

Accessibility & contrast

On white

10.20
#66331F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.06
#66331F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66331F
10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66331F#FFFFFF#000000##FFFFFF
##66331F1.0010.202.0610.20
#FFFFFF10.201.0021.001.00
#0000002.0621.001.0021.00
##FFFFFF10.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#413A1D
Deuteranopia (green-blind)
#4D451E
Tritanopia (blue-blind)
#70292E
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #66331f;
/* rgb */ color: rgb(102, 51, 31);
/* oklch */ color: oklch(38.3% 0.080 41.6);
Tailwind
colors: {
  custom: {
    50: '#966b5b',
    500: '#66331f',
    950: '#000000',
  },
}
SCSS
$custom: #66331f;
$custom-light: #966b5b;
$custom-dark: #000000;
JSON
{
  "hex": "#66331f",
  "rgb": {
    "r": 102,
    "g": 51,
    "b": 31
  },
  "hsl": {
    "h": 16.901,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.38331,
    "c": 0.07974,
    "h": 41.6
  },
  "luminance": 0.05291
}

Semantic roles & 50–950 ramp

primary
#66331F
secondary
#46839A
accent
#B4DD4B
background
#F9F6F5
surface
#F2EBE9
border
#CCC6C5
text
#0E0704
muted
#7E7A79

Preview Lab

Preview with #66331F

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

Preview Lab → · Contrast checker → · Palette generator →

#66331F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva