#A66137#A66137

#A66137 is a mid, moderate orange. Relative luminance 0.169; OKLCH L 56.2% C 0.106 H 50.5°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX#A66137
RGBrgb(166, 97, 55)
HSLhsl(23, 50%, 43%)
HSVhsv(23, 67%, 65%)
CMYKcmyk(0%, 41.6%, 66.9%, 34.9%)
CIE-LABlab(48.18, 24.16, 35.43)
CIE-LCHlch(48.18, 42.88, 55.71°)
OKLaboklab(56.22% 0.0675 0.0819)
OKLCHoklch(56.22% 0.106 50.5)
XYZxyz(20.6918, 16.9343, 5.7926)
Luminance0.1693 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A66137 #377CA6
analogous
#A63744 #A66137 #A69837
triadic
#A66137 #37A661 #6137A6
tetradic
#A66137 #44A637 #377CA6 #9837A6
square
#A66137 #44A637 #377CA6 #9837A6
split-complementary
#A66137 #37A698 #3744A6
monochromatic
#4A2B19 #784628 #A66137 #C67F54 #D6A282

Accessibility & contrast

On white

4.79
#A66137 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.39
#A66137 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A66137
4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A66137#FFFFFF#000000##FFFFFF
##A661371.004.794.394.79
#FFFFFF4.791.0021.001.00
#0000004.3921.001.0021.00
##FFFFFF4.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#746933
Deuteranopia (green-blind)
#857837
Tritanopia (blue-blind)
#B55357
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #a66137;
/* rgb */ color: rgb(166, 97, 55);
/* oklch */ color: oklch(56.2% 0.106 50.5);
Tailwind
colors: {
  custom: {
    50: '#c58e6f',
    500: '#a66137',
    950: '#000000',
  },
}
SCSS
$custom: #a66137;
$custom-light: #c58e6f;
$custom-dark: #000000;
JSON
{
  "hex": "#a66137",
  "rgb": {
    "r": 166,
    "g": 97,
    "b": 55
  },
  "hsl": {
    "h": 22.703,
    "s": 50.226,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56224,
    "c": 0.10609,
    "h": 50.5
  },
  "luminance": 0.16932
}

Semantic roles & 50–950 ramp

primary
#A66137
secondary
#7AA5BF
accent
#A5DA4E
background
#FCF8F6
surface
#F9F0EC
border
#D2CBC7
text
#140C07
muted
#827D7A

Preview Lab

Preview with #A66137

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

Preview Lab → · Contrast checker → · Palette generator →

#A66137 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva