#663AD0#663AD0

#663AD0 is a mid, highly saturated violet. Relative luminance 0.104; OKLCH L 49.4% C 0.215 H 289.5°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#663AD0
RGB	rgb(102, 58, 208)
HSL	hsl(258, 61%, 52%)
HSV	hsv(258, 72%, 82%)
CMYK	cmyk(51%, 72.1%, 0%, 18.4%)
CIE-LAB	lab(38.56, 53.94, -70.54)
CIE-LCH	lch(38.56, 88.80, 307.41°)
OKLab	oklab(49.43% 0.0719 -0.2026)
OKLCH	oklch(49.43% 0.215 289.5)
XYZ	xyz(18.3744, 10.4041, 60.7023)
Luminance	0.1041 (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

#663AD0 #A4D03A

analogous

#3A59D0 #663AD0 #B13AD0

triadic

#663AD0 #D0663A #3AD066

tetradic

#663AD0 #D03A59 #A4D03A #3AD0B1

square

#663AD0 #D03A59 #A4D03A #3AD0B1

split-complementary

#663AD0 #D0B13A #59D03A

monochromatic

#361C74 #4C27A5 #663AD0 #8C6BDC #B39DE8

Accessibility & contrast

On white

6.82

#663AD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#663AD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663AD0

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AD0	#FFFFFF	#000000	##FFFFFF
##663AD0	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED4

Deuteranopia (green-blind)

#0057CD

Tritanopia (blue-blind)

#406282

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #663ad0;
/* rgb */ color: rgb(102, 58, 208);
/* oklch */ color: oklch(49.4% 0.215 289.5);

Tailwind

colors: {
  custom: {
    50: '#9b74e0',
    500: '#663ad0',
    950: '#000000',
  },
}

SCSS

$custom: #663ad0;
$custom-light: #9b74e0;
$custom-dark: #000000;

JSON

{
  "hex": "#663ad0",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 208
  },
  "hsl": {
    "h": 257.6,
    "s": 61.475,
    "l": 52.157
  },
  "oklch": {
    "l": 0.49425,
    "c": 0.215,
    "h": 289.5
  },
  "luminance": 0.10405
}

Semantic roles & 50–950 ramp

primary

#663AD0

secondary

#C0D492

accent

#E543B5

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #663AD0

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

Preview Lab → · Contrast checker → · Palette generator →