#A6645B#A6645B

#A6645B is a mid, moderate red. Relative luminance 0.180; OKLCH L 57.4% C 0.087 H 28.4°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#A6645B
RGBrgb(166, 100, 91)
HSLhsl(7, 30%, 50%)
HSVhsv(7, 45%, 65%)
CMYKcmyk(0%, 39.8%, 45.2%, 34.9%)
CIE-LABlab(49.47, 25.60, 16.47)
CIE-LCHlch(49.47, 30.44, 32.75°)
OKLaboklab(57.41% 0.0768 0.0415)
OKLCHoklch(57.41% 0.087 28.4)
XYZxyz(22.1726, 17.9786, 12.1980)
Luminance0.1798 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A6645B #5B9DA6
analogous
#A65B77 #A6645B #A6895B
triadic
#A6645B #5BA664 #645BA6
tetradic
#A6645B #77A65B #5B9DA6 #895BA6
square
#A6645B #77A65B #5B9DA6 #895BA6
split-complementary
#A6645B #5BA689 #5B77A6
monochromatic
#57342F #7F4C45 #A6645B #BC8983 #D1AFAA

Accessibility & contrast

On white

4.57
#A6645B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.60
#A6645B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A6645B
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A6645B#FFFFFF#000000##000000
##A6645B1.004.574.604.60
#FFFFFF4.571.0021.0021.00
#0000004.6021.001.001.00
##0000004.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#736D5A
Deuteranopia (green-blind)
#837B5A
Tritanopia (blue-blind)
#B35B62
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #a6645b;
/* rgb */ color: rgb(166, 100, 91);
/* oklch */ color: oklch(57.4% 0.087 28.4);
Tailwind
colors: {
  custom: {
    50: '#c39189',
    500: '#a6645b',
    950: '#000000',
  },
}
SCSS
$custom: #a6645b;
$custom-light: #c39189;
$custom-dark: #000000;
JSON
{
  "hex": "#a6645b",
  "rgb": {
    "r": 166,
    "g": 100,
    "b": 91
  },
  "hsl": {
    "h": 7.2,
    "s": 29.644,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57411,
    "c": 0.08731,
    "h": 28.4
  },
  "luminance": 0.17977
}

Semantic roles & 50–950 ramp

primary
#A6645B
secondary
#9EBBBF
accent
#BAC662
background
#FCF8F8
surface
#F8F0F0
border
#D1CBCB
text
#130D0B
muted
#827D7C

Preview Lab

Preview with #A6645B

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

Preview Lab → · Contrast checker → · Palette generator →

#A6645B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva