#A663DD#A663DD

#A663DD is a light, vivid violet. Relative luminance 0.223; OKLCH L 62.7% C 0.184 H 307.2°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX#A663DD
RGBrgb(166, 99, 221)
HSLhsl(273, 64%, 63%)
HSVhsv(273, 55%, 87%)
CMYKcmyk(24.9%, 55.2%, 0%, 13.3%)
CIE-LABlab(54.29, 49.27, -52.19)
CIE-LCHlch(54.29, 71.77, 313.35°)
OKLaboklab(62.68% 0.1116 -0.1468)
OKLCHoklch(62.68% 0.184 307.2)
XYZxyz(33.2362, 22.2515, 70.9367)
Luminance0.2225 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A663DD #9ADD63
analogous
#6963DD #A663DD #DD63D7
triadic
#A663DD #DDA663 #63DDA6
tetradic
#A663DD #DD6963 #9ADD63 #63D7DD
square
#A663DD #DD6963 #9ADD63 #63D7DD
split-complementary
#A663DD #D7DD63 #63DD69
monochromatic
#6923A2 #8931D2 #A663DD #C395E8 #DFC7F3

Accessibility & contrast

On white

3.85
#A663DD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.45
#A663DD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A663DD
5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A663DD#FFFFFF#000000##000000
##A663DD1.003.855.455.45
#FFFFFF3.851.0021.0021.00
#0000005.4521.001.001.00
##0000005.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#397FE1
Deuteranopia (green-blind)
#5182DA
Tritanopia (blue-blind)
#9E7A97
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #a663dd;
/* rgb */ color: rgb(166, 99, 221);
/* oklch */ color: oklch(62.7% 0.184 307.2);
Tailwind
colors: {
  custom: {
    50: '#c392e8',
    500: '#a663dd',
    950: '#000000',
  },
}
SCSS
$custom: #a663dd;
$custom-light: #c392e8;
$custom-dark: #000000;
JSON
{
  "hex": "#a663dd",
  "rgb": {
    "r": 166,
    "g": 99,
    "b": 221
  },
  "hsl": {
    "h": 272.951,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.62677,
    "c": 0.1844,
    "h": 307.2
  },
  "luminance": 0.22251
}

Semantic roles & 50–950 ramp

primary
#A663DD
secondary
#CCE4B8
accent
#CC196A
background
#FCF9FE
surface
#F8F1FD
border
#D1CBD5
text
#130D16
muted
#827E84

Preview Lab

Preview with #A663DD

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

Preview Lab → · Contrast checker → · Palette generator →

#A663DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva