#663CBC#663CBC

#663CBC is a mid, vivid violet. Relative luminance 0.097; OKLCH L 48.0% C 0.190 H 292.9°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#663CBC
RGB	rgb(102, 60, 188)
HSL	hsl(260, 52%, 49%)
HSV	hsv(260, 68%, 74%)
CMYK	cmyk(45.7%, 68.1%, 0%, 26.3%)
CIE-LAB	lab(37.27, 47.42, -60.98)
CIE-LCH	lch(37.27, 77.25, 307.87°)
OKLab	oklab(48% 0.0738 -0.1745)
OKLCH	oklch(48% 0.19 292.9)
XYZ	xyz(16.1699, 9.6868, 48.5850)
Luminance	0.0969 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.21

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663CBC #92BC3C

analogous

#3C52BC #663CBC #A63CBC

triadic

#663CBC #BC663C #3CBC66

tetradic

#663CBC #BC3C52 #92BC3C #3CBCA6

square

#663CBC #BC3C52 #92BC3C #3CBCA6

split-complementary

#663CBC #BCA63C #52BC3C

monochromatic

#341E5F #4D2D8E #663CBC #8967CE #AD95DD

Accessibility & contrast

On white

7.15

#663CBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#663CBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663CBC

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CBC	#FFFFFF	#000000	##FFFFFF
##663CBC	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#4D5C77

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #663cbc;
/* rgb */ color: rgb(102, 60, 188);
/* oklch */ color: oklch(48.0% 0.190 292.9);

Tailwind

colors: {
  custom: {
    50: '#9975d1',
    500: '#663cbc',
    950: '#000000',
  },
}

SCSS

$custom: #663cbc;
$custom-light: #9975d1;
$custom-dark: #000000;

JSON

{
  "hex": "#663cbc",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 188
  },
  "hsl": {
    "h": 259.688,
    "s": 51.613,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47999,
    "c": 0.18952,
    "h": 292.9
  },
  "luminance": 0.09687
}

Semantic roles & 50–950 ramp

primary

#663CBC

secondary

#B4C98B

accent

#DB4DAC

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #663CBC

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

Preview Lab → · Contrast checker → · Palette generator →