#A66728#A66728

#A66728 is a mid, moderate orange. Relative luminance 0.180; OKLCH L 57.2% C 0.111 H 61.8°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX#A66728
RGBrgb(166, 103, 40)
HSLhsl(30, 61%, 40%)
HSVhsv(30, 76%, 65%)
CMYKcmyk(0%, 38%, 75.9%, 34.9%)
CIE-LABlab(49.45, 19.97, 44.37)
CIE-LCHlch(49.45, 48.65, 65.77°)
OKLaboklab(57.16% 0.0525 0.0982)
OKLCHoklch(57.16% 0.111 61.8)
XYZxyz(20.9608, 17.9628, 4.3703)
Luminance0.1796 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A66728 #2867A6
analogous
#A62828 #A66728 #A6A628
triadic
#A66728 #28A667 #6728A6
tetradic
#A66728 #28A628 #2867A6 #A628A6
square
#A66728 #28A628 #2867A6 #A628A6
split-complementary
#A66728 #28A6A6 #2828A6
monochromatic
#432A10 #75481C #A66728 #D0863B #DCA46D

Accessibility & contrast

On white

4.57
#A66728 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.59
#A66728 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66728
4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A66728#FFFFFF#000000##000000
##A667281.004.574.594.59
#FFFFFF4.571.0021.0021.00
#0000004.5921.001.001.00
##0000004.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B6D20
Deuteranopia (green-blind)
#897B29
Tritanopia (blue-blind)
#B5595A
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #a66728;
/* rgb */ color: rgb(166, 103, 40);
/* oklch */ color: oklch(57.2% 0.111 61.8);
Tailwind
colors: {
  custom: {
    50: '#c69266',
    500: '#a66728',
    950: '#000000',
  },
}
SCSS
$custom: #a66728;
$custom-light: #c69266;
$custom-dark: #000000;
JSON
{
  "hex": "#a66728",
  "rgb": {
    "r": 166,
    "g": 103,
    "b": 40
  },
  "hsl": {
    "h": 30,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.57159,
    "c": 0.11135,
    "h": 61.8
  },
  "luminance": 0.17961
}

Semantic roles & 50–950 ramp

primary
#A66728
secondary
#6795C2
accent
#94E444
background
#FCF9F6
surface
#F9F1EB
border
#D2CBC6
text
#140D06
muted
#827E7A

Preview Lab

Preview with #A66728

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

Preview Lab → · Contrast checker → · Palette generator →

#A66728 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva