#663AB2#663AB2

#663AB2 is a mid, vivid violet. Relative luminance 0.091; OKLCH L 46.9% C 0.180 H 295.4°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#663AB2
RGB	rgb(102, 58, 178)
HSL	hsl(262, 51%, 46%)
HSV	hsv(262, 67%, 70%)
CMYK	cmyk(42.7%, 67.4%, 0%, 30.2%)
CIE-LAB	lab(36.11, 45.75, -56.97)
CIE-LCH	lch(36.11, 73.07, 308.77°)
OKLab	oklab(46.92% 0.0774 -0.1628)
OKLCH	oklch(46.92% 0.18 295.4)
XYZ	xyz(15.0263, 9.0649, 43.0689)
Luminance	0.0906 (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

#663AB2 #86B23A

analogous

#3A4AB2 #663AB2 #A23AB2

triadic

#663AB2 #B2663A #3AB266

tetradic

#663AB2 #B23A4A #86B23A #3AB2A2

square

#663AB2 #B23A4A #86B23A #3AB2A2

split-complementary

#663AB2 #B2A23A #4AB23A

monochromatic

#311C56 #4C2B84 #663AB2 #865FCB #A98DDA

Accessibility & contrast

On white

7.47

#663AB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#663AB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663AB2

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AB2	#FFFFFF	#000000	##FFFFFF
##663AB2	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B6

Deuteranopia (green-blind)

#0053B0

Tritanopia (blue-blind)

#525771

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #663ab2;
/* rgb */ color: rgb(102, 58, 178);
/* oklch */ color: oklch(46.9% 0.180 295.4);

Tailwind

colors: {
  custom: {
    50: '#9873ca',
    500: '#663ab2',
    950: '#000000',
  },
}

SCSS

$custom: #663ab2;
$custom-light: #9873ca;
$custom-dark: #000000;

JSON

{
  "hex": "#663ab2",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 178
  },
  "hsl": {
    "h": 262,
    "s": 50.847,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4692,
    "c": 0.1802,
    "h": 295.4
  },
  "luminance": 0.09065
}

Semantic roles & 50–950 ramp

primary

#663AB2

secondary

#ADC483

accent

#DA4DA7

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663AB2

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

Preview Lab → · Contrast checker → · Palette generator →