#663CCB#663CCB

#663CCB is a mid, highly saturated violet. Relative luminance 0.104; OKLCH L 49.2% C 0.207 H 290.1°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#663CCB
RGB	rgb(102, 60, 203)
HSL	hsl(258, 58%, 52%)
HSV	hsv(258, 70%, 80%)
CMYK	cmyk(49.8%, 70.4%, 0%, 20.4%)
CIE-LAB	lab(38.49, 51.56, -67.75)
CIE-LCH	lch(38.49, 85.14, 307.27°)
OKLab	oklab(49.25% 0.0712 -0.1944)
OKLCH	oklch(49.25% 0.207 290.1)
XYZ	xyz(17.8717, 10.3676, 57.5478)
Luminance	0.1037 (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

#663CCB #A1CB3C

analogous

#3C5ACB #663CCB #AD3CCB

triadic

#663CCB #CB663C #3CCB66

tetradic

#663CCB #CB3C5A #A1CB3C #3CCBAD

square

#663CCB #CB3C5A #A1CB3C #3CCBAD

split-complementary

#663CCB #CBAD3C #5ACB3C

monochromatic

#361E6F #4D2A9F #663CCB #8C6CD8 #B29DE5

Accessibility & contrast

On white

6.83

#663CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#663CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663CCB

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CCB	#FFFFFF	#000000	##FFFFFF
##663CCB	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCF

Deuteranopia (green-blind)

#0057C8

Tritanopia (blue-blind)

#43617F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #663ccb;
/* rgb */ color: rgb(102, 60, 203);
/* oklch */ color: oklch(49.2% 0.207 290.1);

Tailwind

colors: {
  custom: {
    50: '#9b75dc',
    500: '#663ccb',
    950: '#000000',
  },
}

SCSS

$custom: #663ccb;
$custom-light: #9b75dc;
$custom-dark: #000000;

JSON

{
  "hex": "#663ccb",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 203
  },
  "hsl": {
    "h": 257.622,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.49249,
    "c": 0.20707,
    "h": 290.1
  },
  "luminance": 0.10368
}

Semantic roles & 50–950 ramp

primary

#663CCB

secondary

#BED192

accent

#E147B4

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #663CCB

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

Preview Lab → · Contrast checker → · Palette generator →