#66521F#66521F

#66521F is a dark, moderate orange. Relative luminance 0.090; OKLCH L 44.8% C 0.073 H 87.5°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX#66521F
RGBrgb(102, 82, 31)
HSLhsl(43, 53%, 26%)
HSVhsv(43, 70%, 40%)
CMYKcmyk(0%, 19.6%, 69.6%, 60%)
CIE-LABlab(35.90, 1.99, 32.16)
CIE-LCHlch(35.90, 32.22, 86.45°)
OKLaboklab(44.82% 0.0032 0.0732)
OKLCHoklch(44.82% 0.073 87.5)
XYZxyz(8.7446, 8.9588, 2.5647)
Luminance0.0896 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66521F #1F3366
analogous
#662E1F #66521F #56661F
triadic
#66521F #1F6652 #521F66
tetradic
#66521F #1F662E #1F3366 #661F56
square
#66521F #1F662E #1F3366 #661F56
split-complementary
#66521F #1F5666 #2E1F66
monochromatic
#171307 #372C11 #66521F #95782D #C49D3C

Accessibility & contrast

On white

7.52
#66521F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.79
#66521F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66521F
7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66521F#FFFFFF#000000##FFFFFF
##66521F1.007.522.797.52
#FFFFFF7.521.0021.001.00
#0000002.7921.001.0021.00
##FFFFFF7.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C5119
Deuteranopia (green-blind)
#615721
Tritanopia (blue-blind)
#6F4B47
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #66521f;
/* rgb */ color: rgb(102, 82, 31);
/* oklch */ color: oklch(44.8% 0.073 87.5);
Tailwind
colors: {
  custom: {
    50: '#94825d',
    500: '#66521f',
    950: '#000000',
  },
}
SCSS
$custom: #66521f;
$custom-light: #94825d;
$custom-dark: #000000;
JSON
{
  "hex": "#66521f",
  "rgb": {
    "r": 102,
    "g": 82,
    "b": 31
  },
  "hsl": {
    "h": 43.099,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.44822,
    "c": 0.07327,
    "h": 87.5
  },
  "luminance": 0.08958
}

Semantic roles & 50–950 ramp

primary
#66521F
secondary
#465E9A
accent
#74DD4B
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0D0A04
muted
#7E7C79

Preview Lab

Preview with #66521F

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

Preview Lab → · Contrast checker → · Palette generator →

#66521F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva