#663DAD#663DAD

#663DAD is a mid, vivid violet. Relative luminance 0.092; OKLCH L 47.0% C 0.170 H 296.0°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#663DAD
RGB	rgb(102, 61, 173)
HSL	hsl(262, 48%, 46%)
HSV	hsv(262, 65%, 68%)
CMYK	cmyk(41%, 64.7%, 0%, 32.2%)
CIE-LAB	lab(36.33, 42.77, -53.64)
CIE-LCH	lch(36.33, 68.61, 308.57°)
OKLab	oklab(46.96% 0.0747 -0.153)
OKLCH	oklch(46.96% 0.17 296)
XYZ	xyz(14.6891, 9.1791, 40.5249)
Luminance	0.0918 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663DAD #84AD3D

analogous

#3D4CAD #663DAD #9E3DAD

triadic

#663DAD #AD663D #3DAD66

tetradic

#663DAD #AD3D4C #84AD3D #3DAD9E

square

#663DAD #AD3D4C #84AD3D #3DAD9E

split-complementary

#663DAD #AD9E3D #4CAD3D

monochromatic

#311D53 #4B2D80 #663DAD #8660C7 #A88DD7

Accessibility & contrast

On white

7.41

#663DAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#663DAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663DAD

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DAD	#FFFFFF	#000000	##FFFFFF
##663DAD	1.00	7.41	2.84	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B0

Deuteranopia (green-blind)

#0054AB

Tritanopia (blue-blind)

#54576F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #663dad;
/* rgb */ color: rgb(102, 61, 173);
/* oklch */ color: oklch(47.0% 0.170 296.0);

Tailwind

colors: {
  custom: {
    50: '#9775c6',
    500: '#663dad',
    950: '#000000',
  },
}

SCSS

$custom: #663dad;
$custom-light: #9775c6;
$custom-dark: #000000;

JSON

{
  "hex": "#663dad",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 173
  },
  "hsl": {
    "h": 261.964,
    "s": 47.863,
    "l": 45.882
  },
  "oklch": {
    "l": 0.46958,
    "c": 0.17024,
    "h": 296
  },
  "luminance": 0.09179
}

Semantic roles & 50–950 ramp

primary

#663DAD

secondary

#ABC284

accent

#D750A6

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663DAD

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

Preview Lab → · Contrast checker → · Palette generator →