#A636BB#A636BB

#A636BB is a mid, highly saturated purple. Relative luminance 0.143; OKLCH L 55.1% C 0.213 H 320.8°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX#A636BB
RGBrgb(166, 54, 187)
HSLhsl(291, 55%, 47%)
HSVhsv(291, 71%, 73%)
CMYKcmyk(11.2%, 71.1%, 0%, 26.7%)
CIE-LABlab(44.71, 62.96, -47.97)
CIE-LCHlch(44.71, 79.15, 322.70°)
OKLaboklab(55.09% 0.1648 -0.1342)
OKLCHoklch(55.09% 0.213 320.8)
XYZxyz(26.0136, 14.3345, 48.4007)
Luminance0.1433 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A636BB #4BBB36
analogous
#6336BB #A636BB #BB368E
triadic
#A636BB #BBA636 #36BBA6
tetradic
#A636BB #BB6336 #4BBB36 #368EBB
square
#A636BB #BB6336 #4BBB36 #368EBB
split-complementary
#A636BB #8EBB36 #36BB63
monochromatic
#521B5C #7C288C #A636BB #BE5ED0 #D18DDE

Accessibility & contrast

On white

5.43
#A636BB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.87
#A636BB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A636BB
5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A636BB#FFFFFF#000000##FFFFFF
##A636BB1.005.433.875.43
#FFFFFF5.431.0021.001.00
#0000003.8721.001.0021.00
##FFFFFF5.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0062BF
Deuteranopia (green-blind)
#446EB8
Tritanopia (blue-blind)
#A74F75
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #a636bb;
/* rgb */ color: rgb(166, 54, 187);
/* oklch */ color: oklch(55.1% 0.213 320.8);
Tailwind
colors: {
  custom: {
    50: '#c477d0',
    500: '#a636bb',
    950: '#000000',
  },
}
SCSS
$custom: #a636bb;
$custom-light: #c477d0;
$custom-dark: #000000;
JSON
{
  "hex": "#a636bb",
  "rgb": {
    "r": 166,
    "g": 54,
    "b": 187
  },
  "hsl": {
    "h": 290.526,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.5509,
    "c": 0.21256,
    "h": 320.8
  },
  "luminance": 0.14333
}

Semantic roles & 50–950 ramp

primary
#A636BB
secondary
#8FC984
accent
#DF4961
background
#FCF7FC
surface
#F8EEF9
border
#D1C9D2
text
#130914
muted
#827B82

Preview Lab

Preview with #A636BB

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

Preview Lab → · Contrast checker → · Palette generator →

#A636BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva