#A66B59#A66B59

#A66B59 is a mid, moderate red. Relative luminance 0.193; OKLCH L 58.6% C 0.081 H 37.7°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX#A66B59
RGBrgb(166, 107, 89)
HSLhsl(14, 30%, 50%)
HSVhsv(14, 46%, 65%)
CMYKcmyk(0%, 35.5%, 46.4%, 34.9%)
CIE-LABlab(51.09, 21.44, 19.83)
CIE-LCHlch(51.09, 29.20, 42.76°)
OKLaboklab(58.64% 0.064 0.0495)
OKLCHoklch(58.64% 0.081 37.7)
XYZxyz(22.7879, 19.3455, 11.9831)
Luminance0.1934 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A66B59 #5994A6
analogous
#A6596E #A66B59 #A69159
triadic
#A66B59 #59A66B #6B59A6
tetradic
#A66B59 #6EA659 #5994A6 #9159A6
square
#A66B59 #6EA659 #5994A6 #9159A6
split-complementary
#A66B59 #59A691 #596EA6
monochromatic
#56382E #7E5144 #A66B59 #BB8F81 #D1B2A9

Accessibility & contrast

On white

4.31
#A66B59 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.87
#A66B59 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66B59
4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A66B59#FFFFFF#000000##000000
##A66B591.004.314.874.87
#FFFFFF4.311.0021.0021.00
#0000004.8721.001.001.00
##0000004.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#797258
Deuteranopia (green-blind)
#877E58
Tritanopia (blue-blind)
#B36266
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #a66b59;
/* rgb */ color: rgb(166, 107, 89);
/* oklch */ color: oklch(58.6% 0.081 37.7);
Tailwind
colors: {
  custom: {
    50: '#c39688',
    500: '#a66b59',
    950: '#000000',
  },
}
SCSS
$custom: #a66b59;
$custom-light: #c39688;
$custom-dark: #000000;
JSON
{
  "hex": "#a66b59",
  "rgb": {
    "r": 166,
    "g": 107,
    "b": 89
  },
  "hsl": {
    "h": 14.026,
    "s": 30.196,
    "l": 50
  },
  "oklch": {
    "l": 0.58643,
    "c": 0.08089,
    "h": 37.7
  },
  "luminance": 0.19344
}

Semantic roles & 50–950 ramp

primary
#A66B59
secondary
#9CB7BF
accent
#AFC661
background
#FCF9F8
surface
#F8F2EF
border
#D1CCCA
text
#130D0B
muted
#827E7C

Preview Lab

Preview with #A66B59

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

Preview Lab → · Contrast checker → · Palette generator →

#A66B59 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva