#A66D31#A66D31

#A66D31 is a mid, moderate orange. Relative luminance 0.193; OKLCH L 58.4% C 0.105 H 64.4°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX#A66D31
RGBrgb(166, 109, 49)
HSLhsl(31, 54%, 42%)
HSVhsv(31, 70%, 65%)
CMYKcmyk(0%, 34.3%, 70.5%, 34.9%)
CIE-LABlab(51.00, 17.04, 41.68)
CIE-LCHlch(51.00, 45.03, 67.76°)
OKLaboklab(58.39% 0.0452 0.0943)
OKLCHoklch(58.39% 0.105 64.4)
XYZxyz(21.7505, 19.2680, 5.4787)
Luminance0.1927 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A66D31 #316AA6
analogous
#A63231 #A66D31 #A5A631
triadic
#A66D31 #31A66D #6D31A6
tetradic
#A66D31 #31A632 #316AA6 #A631A5
square
#A66D31 #31A632 #316AA6 #A631A5
split-complementary
#A66D31 #31A5A6 #3231A6
monochromatic
#472F15 #774E23 #A66D31 #CA8C4A #D8AA7A

Accessibility & contrast

On white

4.33
#A66D31 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.85
#A66D31 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66D31
4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A66D31#FFFFFF#000000##000000
##A66D311.004.334.854.85
#FFFFFF4.331.0021.0021.00
#0000004.8521.001.001.00
##0000004.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F722A
Deuteranopia (green-blind)
#8D7F32
Tritanopia (blue-blind)
#B56060
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #a66d31;
/* rgb */ color: rgb(166, 109, 49);
/* oklch */ color: oklch(58.4% 0.105 64.4);
Tailwind
colors: {
  custom: {
    50: '#c5976c',
    500: '#a66d31',
    950: '#000000',
  },
}
SCSS
$custom: #a66d31;
$custom-light: #c5976c;
$custom-dark: #000000;
JSON
{
  "hex": "#a66d31",
  "rgb": {
    "r": 166,
    "g": 109,
    "b": 49
  },
  "hsl": {
    "h": 30.769,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.58386,
    "c": 0.10456,
    "h": 64.4
  },
  "luminance": 0.19266
}

Semantic roles & 50–950 ramp

primary
#A66D31
secondary
#7398C0
accent
#92DE4A
background
#FCF9F6
surface
#F9F2EB
border
#D2CCC6
text
#140D07
muted
#827E7A

Preview Lab

Preview with #A66D31

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

Preview Lab → · Contrast checker → · Palette generator →

#A66D31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva