#A66638#A66638

#A66638 is a mid, moderate orange. Relative luminance 0.179; OKLCH L 57.1% C 0.103 H 54.7°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX#A66638
RGBrgb(166, 102, 56)
HSLhsl(25, 50%, 44%)
HSVhsv(25, 66%, 65%)
CMYKcmyk(0%, 38.6%, 66.3%, 34.9%)
CIE-LABlab(49.37, 21.42, 36.27)
CIE-LCHlch(49.37, 42.12, 59.43°)
OKLaboklab(57.15% 0.0594 0.0838)
OKLCHoklch(57.15% 0.103 54.7)
XYZxyz(21.1927, 17.8973, 6.0790)
Luminance0.1789 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A66638 #3878A6
analogous
#A63841 #A66638 #A69D38
triadic
#A66638 #38A666 #6638A6
tetradic
#A66638 #41A638 #3878A6 #9D38A6
square
#A66638 #41A638 #3878A6 #9D38A6
split-complementary
#A66638 #38A69D #3841A6
monochromatic
#4A2E19 #784A29 #A66638 #C68455 #D5A583

Accessibility & contrast

On white

4.59
#A66638 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.58
#A66638 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #A66638
4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A66638#FFFFFF#000000##FFFFFF
##A666381.004.594.584.59
#FFFFFF4.591.0021.001.00
#0000004.5821.001.0021.00
##FFFFFF4.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#796D34
Deuteranopia (green-blind)
#887B38
Tritanopia (blue-blind)
#B5595B
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #a66638;
/* rgb */ color: rgb(166, 102, 56);
/* oklch */ color: oklch(57.1% 0.103 54.7);
Tailwind
colors: {
  custom: {
    50: '#c59270',
    500: '#a66638',
    950: '#000000',
  },
}
SCSS
$custom: #a66638;
$custom-light: #c59270;
$custom-dark: #000000;
JSON
{
  "hex": "#a66638",
  "rgb": {
    "r": 166,
    "g": 102,
    "b": 56
  },
  "hsl": {
    "h": 25.091,
    "s": 49.55,
    "l": 43.529
  },
  "oklch": {
    "l": 0.57149,
    "c": 0.10274,
    "h": 54.7
  },
  "luminance": 0.17895
}

Semantic roles & 50–950 ramp

primary
#A66638
secondary
#7BA2BF
accent
#9FD94F
background
#FCF9F6
surface
#F9F1EC
border
#D2CBC7
text
#130D07
muted
#827E7A

Preview Lab

Preview with #A66638

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

Preview Lab → · Contrast checker → · Palette generator →

#A66638 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva