#A663E5#A663E5

#A663E5 is a light, vivid violet. Relative luminance 0.227; OKLCH L 63.2% C 0.193 H 305.3°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#A663E5
RGB	rgb(166, 99, 229)
HSL	hsl(271, 71%, 64%)
HSV	hsv(271, 57%, 90%)
CMYK	cmyk(27.5%, 56.8%, 0%, 10.2%)
CIE-LAB	lab(54.75, 51.12, -55.96)
CIE-LCH	lch(54.75, 75.79, 312.41°)
OKLab	oklab(63.16% 0.1118 -0.1578)
OKLCH	oklch(63.16% 0.193 305.3)
XYZ	xyz(34.3275, 22.6880, 76.6843)
Luminance	0.2269 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A663E5 #A2E563

analogous

#6563E5 #A663E5 #E563E3

triadic

#A663E5 #E5A663 #63E5A6

tetradic

#A663E5 #E56563 #A2E563 #63E3E5

square

#A663E5 #E56563 #A2E563 #63E3E5

split-complementary

#A663E5 #E3E563 #63E565

monochromatic

#691DB0 #882FDC #A663E5 #C497EE #E2CCF6

Accessibility & contrast

On white

3.79

#A663E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#A663E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A663E5

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A663E5	#FFFFFF	#000000	##000000
##A663E5	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F81E9

Deuteranopia (green-blind)

#4A83E2

Tritanopia (blue-blind)

#9B7C9B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #a663e5;
/* rgb */ color: rgb(166, 99, 229);
/* oklch */ color: oklch(63.2% 0.193 305.3);

Tailwind

colors: {
  custom: {
    50: '#c492ee',
    500: '#a663e5',
    950: '#000000',
  },
}

SCSS

$custom: #a663e5;
$custom-light: #c492ee;
$custom-dark: #000000;

JSON

{
  "hex": "#a663e5",
  "rgb": {
    "r": 166,
    "g": 99,
    "b": 229
  },
  "hsl": {
    "h": 270.923,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.63159,
    "c": 0.19345,
    "h": 305.3
  },
  "luminance": 0.22688
}

Semantic roles & 50–950 ramp

primary

#A663E5

secondary

#D1E8BB

accent

#D31270

background

#FCF9FE

surface

#F8F1FD

border

#D1CBD5

text

#130D16

muted

#827E84

Preview Lab

Preview with #A663E5

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

Preview Lab → · Contrast checker → · Palette generator →