#A637D2#A637D2

#A637D2 is a mid, highly saturated purple. Relative luminance 0.155; OKLCH L 56.7% C 0.232 H 314.3°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX#A637D2
RGBrgb(166, 55, 210)
HSLhsl(283, 63%, 52%)
HSVhsv(283, 74%, 82%)
CMYKcmyk(21%, 73.8%, 0%, 17.6%)
CIE-LABlab(46.30, 66.99, -58.74)
CIE-LCHlch(46.30, 89.09, 318.75°)
OKLaboklab(56.69% 0.1616 -0.1658)
OKLCHoklch(56.69% 0.232 314.3)
XYZxyz(28.7230, 15.4935, 62.4378)
Luminance0.1549 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A637D2 #63D237
analogous
#5937D2 #A637D2 #D237B0
triadic
#A637D2 #D2A637 #37D2A6
tetradic
#A637D2 #D25937 #63D237 #37B0D2
square
#A637D2 #D25937 #63D237 #37B0D2
split-complementary
#A637D2 #B0D237 #37D259
monochromatic
#5B1A74 #8225A6 #A637D2 #BC69DD #D29BE8

Accessibility & contrast

On white

5.12
#A637D2 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.10
#A637D2 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A637D2
5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A637D2#FFFFFF#000000##FFFFFF
##A637D21.005.124.105.12
#FFFFFF5.121.0021.001.00
#0000004.1021.001.0021.00
##FFFFFF5.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0068D6
Deuteranopia (green-blind)
#2D70CF
Tritanopia (blue-blind)
#A25982
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #a637d2;
/* rgb */ color: rgb(166, 55, 210);
/* oklch */ color: oklch(56.7% 0.232 314.3);
Tailwind
colors: {
  custom: {
    50: '#c579e1',
    500: '#a637d2',
    950: '#000000',
  },
}
SCSS
$custom: #a637d2;
$custom-light: #c579e1;
$custom-dark: #000000;
JSON
{
  "hex": "#a637d2",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 210
  },
  "hsl": {
    "h": 282.968,
    "s": 63.265,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56691,
    "c": 0.23153,
    "h": 314.3
  },
  "luminance": 0.15493
}

Semantic roles & 50–950 ramp

primary
#A637D2
secondary
#A4D490
accent
#E64170
background
#FCF7FD
surface
#F9EEFB
border
#D2C9D4
text
#130A15
muted
#827C83

Preview Lab

Preview with #A637D2

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

Preview Lab → · Contrast checker → · Palette generator →

#A637D2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva