#663BD2#663BD2

#663BD2 is a mid, highly saturated violet. Relative luminance 0.106; OKLCH L 49.7% C 0.216 H 289.1°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#663BD2
RGB	rgb(102, 59, 210)
HSL	hsl(257, 63%, 53%)
HSV	hsv(257, 72%, 82%)
CMYK	cmyk(51.4%, 71.9%, 0%, 17.6%)
CIE-LAB	lab(38.91, 54.00, -71.12)
CIE-LCH	lch(38.91, 89.30, 307.21°)
OKLab	oklab(49.73% 0.0706 -0.2043)
OKLCH	oklch(49.73% 0.216 289.1)
XYZ	xyz(18.6729, 10.6050, 62.0233)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 3.26

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663BD2 #A7D23B

analogous

#3B5BD2 #663BD2 #B13BD2

triadic

#663BD2 #D2663B #3BD266

tetradic

#663BD2 #D23B5B #A7D23B #3BD2B1

square

#663BD2 #D23B5B #A7D23B #3BD2B1

split-complementary

#663BD2 #D2B13B #5BD23B

monochromatic

#361B77 #4C27A9 #663BD2 #8D6DDD #B49FE9

Accessibility & contrast

On white

6.73

#663BD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#663BD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663BD2

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663BD2	#FFFFFF	#000000	##FFFFFF
##663BD2	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD6

Deuteranopia (green-blind)

#0058CF

Tritanopia (blue-blind)

#3E6383

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #663bd2;
/* rgb */ color: rgb(102, 59, 210);
/* oklch */ color: oklch(49.7% 0.216 289.1);

Tailwind

colors: {
  custom: {
    50: '#9c75e1',
    500: '#663bd2',
    950: '#000000',
  },
}

SCSS

$custom: #663bd2;
$custom-light: #9c75e1;
$custom-dark: #000000;

JSON

{
  "hex": "#663bd2",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 210
  },
  "hsl": {
    "h": 257.086,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.49725,
    "c": 0.21619,
    "h": 289.1
  },
  "luminance": 0.10606
}

Semantic roles & 50–950 ramp

primary

#663BD2

secondary

#C2D594

accent

#E642B7

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #663BD2

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

Preview Lab → · Contrast checker → · Palette generator →