#A6633B#A6633B

#A6633B is a mid, moderate orange. Relative luminance 0.173; OKLCH L 56.6% C 0.103 H 50.3°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#A6633B
RGBrgb(166, 99, 59)
HSLhsl(22, 48%, 44%)
HSVhsv(22, 64%, 65%)
CMYKcmyk(0%, 40.4%, 64.5%, 34.9%)
CIE-LABlab(48.70, 23.31, 33.86)
CIE-LCHlch(48.70, 41.11, 55.46°)
OKLaboklab(56.64% 0.0656 0.079)
OKLCHoklch(56.64% 0.103 50.3)
XYZxyz(20.9787, 17.3485, 6.3806)
Luminance0.1735 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A6633B #3B7EA6
analogous
#A63B49 #A6633B #A6993B
triadic
#A6633B #3BA663 #633BA6
tetradic
#A6633B #49A63B #3B7EA6 #993BA6
square
#A6633B #49A63B #3B7EA6 #993BA6
split-complementary
#A6633B #3BA699 #3B49A6
monochromatic
#4C2D1B #79482B #A6633B #C4825A #D4A487

Accessibility & contrast

On white

4.70
#A6633B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.47
#A6633B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6633B
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A6633B#FFFFFF#000000##FFFFFF
##A6633B1.004.704.474.70
#FFFFFF4.701.0021.001.00
#0000004.4721.001.0021.00
##FFFFFF4.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#766B37
Deuteranopia (green-blind)
#86793B
Tritanopia (blue-blind)
#B5565A
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #a6633b;
/* rgb */ color: rgb(166, 99, 59);
/* oklch */ color: oklch(56.6% 0.103 50.3);
Tailwind
colors: {
  custom: {
    50: '#c59072',
    500: '#a6633b',
    950: '#000000',
  },
}
SCSS
$custom: #a6633b;
$custom-light: #c59072;
$custom-dark: #000000;
JSON
{
  "hex": "#a6633b",
  "rgb": {
    "r": 166,
    "g": 99,
    "b": 59
  },
  "hsl": {
    "h": 22.43,
    "s": 47.556,
    "l": 44.118
  },
  "oklch": {
    "l": 0.5664,
    "c": 0.10268,
    "h": 50.3
  },
  "luminance": 0.17346
}

Semantic roles & 50–950 ramp

primary
#A6633B
secondary
#7EA7BF
accent
#A5D751
background
#FCF8F6
surface
#F9F0EC
border
#D2CBC7
text
#130C08
muted
#827D7B

Preview Lab

Preview with #A6633B

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

Preview Lab → · Contrast checker → · Palette generator →

#A6633B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva