#663BEA#663BEA

#663BEA is a mid, highly saturated violet. Relative luminance 0.119; OKLCH L 51.9% C 0.243 H 285.5°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#663BEA
RGB	rgb(102, 59, 234)
HSL	hsl(255, 81%, 57%)
HSV	hsv(255, 75%, 92%)
CMYK	cmyk(56.4%, 74.8%, 0%, 8.2%)
CIE-LAB	lab(41.04, 60.61, -81.34)
CIE-LCH	lch(41.04, 101.44, 306.69°)
OKLab	oklab(51.88% 0.0649 -0.2342)
OKLCH	oklch(51.88% 0.243 285.5)
XYZ	xyz(21.8902, 11.8919, 78.9678)
Luminance	0.1189 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663BEA #BFEA3B

analogous

#3B67EA #663BEA #BE3BEA

triadic

#663BEA #EA663B #3BEA66

tetradic

#663BEA #EA3B67 #BFEA3B #3BEABE

square

#663BEA #EA3B67 #BFEA3B #3BEABE

split-complementary

#663BEA #EABE3B #67EA3B

monochromatic

#32119A #4416D1 #663BEA #9172F0 #BCAAF6

Accessibility & contrast

On white

6.22

#663BEA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#663BEA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663BEA

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663BEA	#FFFFFF	#000000	##FFFFFF
##663BEA	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065EF

Deuteranopia (green-blind)

#005BE7

Tritanopia (blue-blind)

#226D90

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #663bea;
/* rgb */ color: rgb(102, 59, 234);
/* oklch */ color: oklch(51.9% 0.243 285.5);

Tailwind

colors: {
  custom: {
    50: '#9f76f2',
    500: '#663bea',
    950: '#000000',
  },
}

SCSS

$custom: #663bea;
$custom-light: #9f76f2;
$custom-dark: #000000;

JSON

{
  "hex": "#663bea",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 234
  },
  "hsl": {
    "h": 254.743,
    "s": 80.645,
    "l": 57.451
  },
  "oklch": {
    "l": 0.51881,
    "c": 0.24309,
    "h": 285.5
  },
  "luminance": 0.11893
}

Semantic roles & 50–950 ramp

primary

#663BEA

secondary

#D2E49D

accent

#F731C6

background

#FAF7FF

surface

#F4EDFE

border

#CEC8D6

text

#100917

muted

#7F7B85

Preview Lab

Preview with #663BEA

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

Preview Lab → · Contrast checker → · Palette generator →