#66531F#66531F

#66531F is a mid, moderate orange. Relative luminance 0.091; OKLCH L 45.1% C 0.074 H 88.9°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX#66531F
RGBrgb(102, 83, 31)
HSLhsl(44, 53%, 26%)
HSVhsv(44, 70%, 40%)
CMYKcmyk(0%, 18.6%, 69.6%, 60%)
CIE-LABlab(36.20, 1.39, 32.48)
CIE-LCHlch(36.20, 32.50, 87.56°)
OKLaboklab(45.05% 0.0014 0.0739)
OKLCHoklch(45.05% 0.074 88.9)
XYZxyz(8.8205, 9.1107, 2.5900)
Luminance0.0911 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66531F #1F3266
analogous
#662F1F #66531F #55661F
triadic
#66531F #1F6653 #531F66
tetradic
#66531F #1F662F #1F3266 #661F55
square
#66531F #1F662F #1F3266 #661F55
split-complementary
#66531F #1F5566 #2F1F66
monochromatic
#171307 #372D11 #66531F #95792D #C49F3C

Accessibility & contrast

On white

7.44
#66531F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

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

Best text color

#FFFFFF on #66531F
7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66531F#FFFFFF#000000##FFFFFF
##66531F1.007.442.827.44
#FFFFFF7.441.0021.001.00
#0000002.8221.001.0021.00
##FFFFFF7.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D5219
Deuteranopia (green-blind)
#615721
Tritanopia (blue-blind)
#6F4C48
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #66531f;
/* rgb */ color: rgb(102, 83, 31);
/* oklch */ color: oklch(45.1% 0.074 88.9);
Tailwind
colors: {
  custom: {
    50: '#94835d',
    500: '#66531f',
    950: '#000000',
  },
}
SCSS
$custom: #66531f;
$custom-light: #94835d;
$custom-dark: #000000;
JSON
{
  "hex": "#66531f",
  "rgb": {
    "r": 102,
    "g": 83,
    "b": 31
  },
  "hsl": {
    "h": 43.944,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.45052,
    "c": 0.07388,
    "h": 88.9
  },
  "luminance": 0.0911
}

Semantic roles & 50–950 ramp

primary
#66531F
secondary
#465D9A
accent
#72DD4B
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0D0A04
muted
#7E7C79

Preview Lab

Preview with #66531F

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

Preview Lab → · Contrast checker → · Palette generator →

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