#663AE2#663AE2

#663AE2 is a mid, highly saturated violet. Relative luminance 0.113; OKLCH L 51.0% C 0.235 H 286.7°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#663AE2
RGB	rgb(102, 58, 226)
HSL	hsl(256, 74%, 56%)
HSV	hsv(256, 74%, 89%)
CMYK	cmyk(54.9%, 74.3%, 0%, 11.4%)
CIE-LAB	lab(40.15, 58.88, -78.27)
CIE-LCH	lch(40.15, 97.94, 306.96°)
OKLab	oklab(51.03% 0.0677 -0.2252)
OKLCH	oklch(51.03% 0.235 286.7)
XYZ	xyz(20.7159, 11.3407, 73.0342)
Luminance	0.1134 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663AE2 #B6E23A

analogous

#3A62E2 #663AE2 #BA3AE2

triadic

#663AE2 #E2663A #3AE266

tetradic

#663AE2 #E23A62 #B6E23A #3AE2BA

square

#663AE2 #E23A62 #B6E23A #3AE2BA

split-complementary

#663AE2 #E2BA3A #62E23A

monochromatic

#34158D #481DC2 #663AE2 #8F6FEA #B9A5F2

Accessibility & contrast

On white

6.43

#663AE2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#663AE2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663AE2

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AE2	#FFFFFF	#000000	##FFFFFF
##663AE2	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E7

Deuteranopia (green-blind)

#005ADF

Tritanopia (blue-blind)

#2E698C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #663ae2;
/* rgb */ color: rgb(102, 58, 226);
/* oklch */ color: oklch(51.0% 0.235 286.7);

Tailwind

colors: {
  custom: {
    50: '#9e75ec',
    500: '#663ae2',
    950: '#000000',
  },
}

SCSS

$custom: #663ae2;
$custom-light: #9e75ec;
$custom-dark: #000000;

JSON

{
  "hex": "#663ae2",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 226
  },
  "hsl": {
    "h": 255.714,
    "s": 74.336,
    "l": 55.686
  },
  "oklch": {
    "l": 0.51032,
    "c": 0.2352,
    "h": 286.7
  },
  "luminance": 0.11342
}

Semantic roles & 50–950 ramp

primary

#663AE2

secondary

#CDDF99

accent

#F137C0

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #663AE2

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

Preview Lab → · Contrast checker → · Palette generator →