#66531C#66531C

#66531C is a mid, moderate orange. Relative luminance 0.091; OKLCH L 45.0% C 0.076 H 89.7°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX#66531C
RGBrgb(102, 83, 28)
HSLhsl(45, 57%, 25%)
HSVhsv(45, 73%, 40%)
CMYKcmyk(0%, 18.6%, 72.5%, 60%)
CIE-LABlab(36.17, 1.19, 33.94)
CIE-LCHlch(36.17, 33.96, 88.00°)
OKLaboklab(45.02% 0.0005 0.0764)
OKLCHoklch(45.02% 0.076 89.7)
XYZxyz(8.7828, 9.0957, 2.3914)
Luminance0.0910 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66531C #1C2F66
analogous
#662E1C #66531C #54661C
triadic
#66531C #1C6653 #531C66
tetradic
#66531C #1C662E #1C2F66 #661C54
square
#66531C #1C662E #1C2F66 #661C54
split-complementary
#66531C #1C5466 #2E1C66
monochromatic
#181407 #362C0F #66531C #967A29 #C6A136

Accessibility & contrast

On white

7.45
#66531C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.82
#66531C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66531C
7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66531C#FFFFFF#000000##FFFFFF
##66531C1.007.452.827.45
#FFFFFF7.451.0021.001.00
#0000002.8221.001.0021.00
##FFFFFF7.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D5215
Deuteranopia (green-blind)
#61571F
Tritanopia (blue-blind)
#6F4C48
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #66531c;
/* rgb */ color: rgb(102, 83, 28);
/* oklch */ color: oklch(45.0% 0.076 89.7);
Tailwind
colors: {
  custom: {
    50: '#94835b',
    500: '#66531c',
    950: '#000000',
  },
}
SCSS
$custom: #66531c;
$custom-light: #94835b;
$custom-dark: #000000;
JSON
{
  "hex": "#66531c",
  "rgb": {
    "r": 102,
    "g": 83,
    "b": 28
  },
  "hsl": {
    "h": 44.595,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.4502,
    "c": 0.07642,
    "h": 89.7
  },
  "luminance": 0.09095
}

Semantic roles & 50–950 ramp

primary
#66531C
secondary
#43599B
accent
#6FE048
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0E0A04
muted
#7E7C79

Preview Lab

Preview with #66531C

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

Preview Lab → · Contrast checker → · Palette generator →

#66531C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva