#A663CC#A663CC

#A663CC is a mid, vivid violet. Relative luminance 0.214; OKLCH L 61.7% C 0.165 H 311.9°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX#A663CC
RGBrgb(166, 99, 204)
HSLhsl(278, 51%, 59%)
HSVhsv(278, 51%, 80%)
CMYKcmyk(18.6%, 51.5%, 0%, 20%)
CIE-LABlab(53.37, 45.46, -44.00)
CIE-LCHlch(53.37, 63.26, 315.94°)
OKLaboklab(61.7% 0.1105 -0.1229)
OKLCHoklch(61.7% 0.165 311.9)
XYZxyz(31.0849, 21.3910, 59.6064)
Luminance0.2139 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A663CC #89CC63
analogous
#7263CC #A663CC #CC63BE
triadic
#A663CC #CCA663 #63CCA6
tetradic
#A663CC #CC7263 #89CC63 #63BECC
square
#A663CC #CC7263 #89CC63 #63BECC
split-complementary
#A663CC #BECC63 #63CC72
monochromatic
#672C88 #8A3CB6 #A663CC #C091DB #DBBFEA

Accessibility & contrast

On white

3.98
#A663CC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.28
#A663CC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A663CC
5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A663CC#FFFFFF#000000##000000
##A663CC1.003.985.285.28
#FFFFFF3.981.0021.0021.00
#0000005.2821.001.001.00
##0000005.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#487CD0
Deuteranopia (green-blind)
#5D81C9
Tritanopia (blue-blind)
#A2748E
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #a663cc;
/* rgb */ color: rgb(166, 99, 204);
/* oklch */ color: oklch(61.7% 0.165 311.9);
Tailwind
colors: {
  custom: {
    50: '#c392dc',
    500: '#a663cc',
    950: '#000000',
  },
}
SCSS
$custom: #a663cc;
$custom-light: #c392dc;
$custom-dark: #000000;
JSON
{
  "hex": "#a663cc",
  "rgb": {
    "r": 166,
    "g": 99,
    "b": 204
  },
  "hsl": {
    "h": 278.286,
    "s": 50.725,
    "l": 59.412
  },
  "oklch": {
    "l": 0.61702,
    "c": 0.16524,
    "h": 311.9
  },
  "luminance": 0.2139
}

Semantic roles & 50–950 ramp

primary
#A663CC
secondary
#C0DAB1
accent
#DA4E80
background
#FCF9FD
surface
#F8F1FB
border
#D1CBD4
text
#130D15
muted
#827E83

Preview Lab

Preview with #A663CC

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

Preview Lab → · Contrast checker → · Palette generator →

#A663CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva