#A66B1C#A66B1C

#A66B1C is a mid, moderate orange. Relative luminance 0.187; OKLCH L 57.8% C 0.116 H 68.3°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX#A66B1C
RGBrgb(166, 107, 28)
HSLhsl(34, 71%, 38%)
HSVhsv(34, 83%, 65%)
CMYKcmyk(0%, 35.5%, 83.1%, 34.9%)
CIE-LABlab(50.34, 17.24, 50.24)
CIE-LCHlch(50.34, 53.11, 71.06°)
OKLaboklab(57.83% 0.0429 0.1078)
OKLCHoklch(57.83% 0.116 68.3)
XYZxyz(21.1949, 18.7083, 3.5932)
Luminance0.1871 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A66B1C #1C57A6
analogous
#A6261C #A66B1C #9CA61C
triadic
#A66B1C #1CA66B #6B1CA6
tetradic
#A66B1C #1CA626 #1C57A6 #A61C9C
square
#A66B1C #1CA626 #1C57A6 #A61C9C
split-complementary
#A66B1C #1C9CA6 #261CA6
monochromatic
#3D270A #724913 #A66B1C #DA8D25 #E3A859

Accessibility & contrast

On white

4.43
#A66B1C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.74
#A66B1C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66B1C
4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A66B1C#FFFFFF#000000##000000
##A66B1C1.004.434.744.74
#FFFFFF4.431.0021.0021.00
#0000004.7421.001.001.00
##0000004.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F6F0C
Deuteranopia (green-blind)
#8C7D1E
Tritanopia (blue-blind)
#B65D5C
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #a66b1c;
/* rgb */ color: rgb(166, 107, 28);
/* oklch */ color: oklch(57.8% 0.116 68.3);
Tailwind
colors: {
  custom: {
    50: '#c69560',
    500: '#a66b1c',
    950: '#000000',
  },
}
SCSS
$custom: #a66b1c;
$custom-light: #c69560;
$custom-dark: #000000;
JSON
{
  "hex": "#a66b1c",
  "rgb": {
    "r": 166,
    "g": 107,
    "b": 28
  },
  "hsl": {
    "h": 34.348,
    "s": 71.134,
    "l": 38.039
  },
  "oklch": {
    "l": 0.57826,
    "c": 0.11605,
    "h": 68.3
  },
  "luminance": 0.18706
}

Semantic roles & 50–950 ramp

primary
#A66B1C
secondary
#5787C7
accent
#87EE3A
background
#FCF9F5
surface
#F9F1EA
border
#D2CBC6
text
#140D05
muted
#827E79

Preview Lab

Preview with #A66B1C

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

Preview Lab → · Contrast checker → · Palette generator →

#A66B1C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva