#663CD2#663CD2

#663CD2 is a mid, highly saturated violet. Relative luminance 0.107; OKLCH L 49.9% C 0.215 H 288.9°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#663CD2
RGB	rgb(102, 60, 210)
HSL	hsl(257, 63%, 53%)
HSV	hsv(257, 71%, 82%)
CMYK	cmyk(51.4%, 71.4%, 0%, 17.6%)
CIE-LAB	lab(39.09, 53.50, -70.83)
CIE-LCH	lch(39.09, 88.76, 307.06°)
OKLab	oklab(49.85% 0.0698 -0.2035)
OKLCH	oklch(49.85% 0.215 288.9)
XYZ	xyz(18.7248, 10.7088, 62.0406)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 3.28

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663CD2 #A8D23C

analogous

#3C5DD2 #663CD2 #B13CD2

triadic

#663CD2 #D2663C #3CD266

tetradic

#663CD2 #D23C5D #A8D23C #3CD2B1

square

#663CD2 #D23C5D #A8D23C #3CD2B1

split-complementary

#663CD2 #D2B13C #5DD23C

monochromatic

#361C78 #4C27AA #663CD2 #8D6EDD #B49FE9

Accessibility & contrast

On white

6.68

#663CD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#663CD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663CD2

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CD2	#FFFFFF	#000000	##FFFFFF
##663CD2	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD6

Deuteranopia (green-blind)

#0058CF

Tritanopia (blue-blind)

#3E6483

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #663cd2;
/* rgb */ color: rgb(102, 60, 210);
/* oklch */ color: oklch(49.9% 0.215 288.9);

Tailwind

colors: {
  custom: {
    50: '#9c75e1',
    500: '#663cd2',
    950: '#000000',
  },
}

SCSS

$custom: #663cd2;
$custom-light: #9c75e1;
$custom-dark: #000000;

JSON

{
  "hex": "#663cd2",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 210
  },
  "hsl": {
    "h": 256.8,
    "s": 62.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.49851,
    "c": 0.21512,
    "h": 288.9
  },
  "luminance": 0.1071
}

Semantic roles & 50–950 ramp

primary

#663CD2

secondary

#C3D594

accent

#E642B8

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #663CD2

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

Preview Lab → · Contrast checker → · Palette generator →