#663BBF#663BBF

#663BBF is a mid, vivid violet. Relative luminance 0.097; OKLCH L 48.1% C 0.194 H 292.5°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#663BBF
RGB	rgb(102, 59, 191)
HSL	hsl(260, 53%, 49%)
HSV	hsv(260, 69%, 75%)
CMYK	cmyk(46.6%, 69.1%, 0%, 25.1%)
CIE-LAB	lab(37.32, 48.77, -62.66)
CIE-LCH	lch(37.32, 79.40, 307.89°)
OKLab	oklab(48.11% 0.0743 -0.1795)
OKLCH	oklch(48.11% 0.194 292.5)
XYZ	xyz(16.4448, 9.7138, 50.2886)
Luminance	0.0971 (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

#663BBF #94BF3B

analogous

#3B52BF #663BBF #A83BBF

triadic

#663BBF #BF663B #3BBF66

tetradic

#663BBF #BF3B52 #94BF3B #3BBFA8

square

#663BBF #BF3B52 #94BF3B #3BBFA8

split-complementary

#663BBF #BFA83B #52BF3B

monochromatic

#341E61 #4D2D90 #663BBF #8967D0 #AE96DF

Accessibility & contrast

On white

7.14

#663BBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#663BBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663BBF

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663BBF	#FFFFFF	#000000	##FFFFFF
##663BBF	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC3

Deuteranopia (green-blind)

#0055BC

Tritanopia (blue-blind)

#4B5C78

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #663bbf;
/* rgb */ color: rgb(102, 59, 191);
/* oklch */ color: oklch(48.1% 0.194 292.5);

Tailwind

colors: {
  custom: {
    50: '#9974d3',
    500: '#663bbf',
    950: '#000000',
  },
}

SCSS

$custom: #663bbf;
$custom-light: #9974d3;
$custom-dark: #000000;

JSON

{
  "hex": "#663bbf",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 191
  },
  "hsl": {
    "h": 259.545,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48109,
    "c": 0.19427,
    "h": 292.5
  },
  "luminance": 0.09714
}

Semantic roles & 50–950 ramp

primary

#663BBF

secondary

#B6CA8C

accent

#DC4CAD

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #663BBF

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

Preview Lab → · Contrast checker → · Palette generator →