#663AB6#663AB6

#663AB6 is a mid, vivid violet. Relative luminance 0.092; OKLCH L 47.2% C 0.185 H 294.5°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#663AB6
RGB	rgb(102, 58, 182)
HSL	hsl(261, 52%, 47%)
HSV	hsv(261, 68%, 71%)
CMYK	cmyk(44%, 68.1%, 0%, 28.6%)
CIE-LAB	lab(36.42, 46.84, -58.83)
CIE-LCH	lch(36.42, 75.20, 308.52°)
OKLab	oklab(47.24% 0.0768 -0.1682)
OKLCH	oklch(47.24% 0.185 294.5)
XYZ	xyz(15.4338, 9.2279, 45.2149)
Luminance	0.0923 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 3.21

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663AB6 #8AB63A

analogous

#3A4CB6 #663AB6 #A43AB6

triadic

#663AB6 #B6663A #3AB666

tetradic

#663AB6 #B63A4C #8AB63A #3AB6A4

square

#663AB6 #B63A4C #8AB63A #3AB6A4

split-complementary

#663AB6 #B6A43A #4CB63A

monochromatic

#321C59 #4C2B88 #663AB6 #8761CD #AA8FDB

Accessibility & contrast

On white

7.38

#663AB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#663AB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663AB6

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AB6	#FFFFFF	#000000	##FFFFFF
##663AB6	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BA

Deuteranopia (green-blind)

#0054B3

Tritanopia (blue-blind)

#505873

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #663ab6;
/* rgb */ color: rgb(102, 58, 182);
/* oklch */ color: oklch(47.2% 0.185 294.5);

Tailwind

colors: {
  custom: {
    50: '#9873cd',
    500: '#663ab6',
    950: '#000000',
  },
}

SCSS

$custom: #663ab6;
$custom-light: #9873cd;
$custom-dark: #000000;

JSON

{
  "hex": "#663ab6",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 182
  },
  "hsl": {
    "h": 261.29,
    "s": 51.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.4724,
    "c": 0.18493,
    "h": 294.5
  },
  "luminance": 0.09228
}

Semantic roles & 50–950 ramp

primary

#663AB6

secondary

#AFC686

accent

#DB4DA9

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0814

muted

#7E7B82

Preview Lab

Preview with #663AB6

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

Preview Lab → · Contrast checker → · Palette generator →