#A66538#A66538

#A66538 is a mid, moderate orange. Relative luminance 0.177; OKLCH L 57.0% C 0.103 H 53.7°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#A66538
RGBrgb(166, 101, 56)
HSLhsl(25, 50%, 44%)
HSVhsv(25, 66%, 65%)
CMYKcmyk(0%, 39.2%, 66.3%, 34.9%)
CIE-LABlab(49.13, 21.98, 35.99)
CIE-LCHlch(49.13, 42.18, 58.59°)
OKLaboklab(56.97% 0.0611 0.0832)
OKLCHoklch(56.97% 0.103 53.7)
XYZxyz(21.0950, 17.7019, 6.0465)
Luminance0.1770 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A66538 #3879A6
analogous
#A63842 #A66538 #A69C38
triadic
#A66538 #38A665 #6538A6
tetradic
#A66538 #42A638 #3879A6 #9C38A6
square
#A66538 #42A638 #3879A6 #9C38A6
split-complementary
#A66538 #38A69C #3842A6
monochromatic
#4A2D19 #784929 #A66538 #C68355 #D5A583

Accessibility & contrast

On white

4.63
#A66538 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.54
#A66538 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #A66538
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A66538#FFFFFF#000000##FFFFFF
##A665381.004.634.544.63
#FFFFFF4.631.0021.001.00
#0000004.5421.001.0021.00
##FFFFFF4.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#786C34
Deuteranopia (green-blind)
#877A38
Tritanopia (blue-blind)
#B5585B
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #a66538;
/* rgb */ color: rgb(166, 101, 56);
/* oklch */ color: oklch(57.0% 0.103 53.7);
Tailwind
colors: {
  custom: {
    50: '#c59170',
    500: '#a66538',
    950: '#000000',
  },
}
SCSS
$custom: #a66538;
$custom-light: #c59170;
$custom-dark: #000000;
JSON
{
  "hex": "#a66538",
  "rgb": {
    "r": 166,
    "g": 101,
    "b": 56
  },
  "hsl": {
    "h": 24.545,
    "s": 49.55,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56965,
    "c": 0.10325,
    "h": 53.7
  },
  "luminance": 0.177
}

Semantic roles & 50–950 ramp

primary
#A66538
secondary
#7BA3BF
accent
#A0D94F
background
#FCF8F6
surface
#F9F0EC
border
#D2CBC7
text
#130D07
muted
#827D7A

Preview Lab

Preview with #A66538

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

Preview Lab → · Contrast checker → · Palette generator →

#A66538 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva