#663FA2#663FA2

#663FA2 is a mid, vivid violet. Relative luminance 0.090; OKLCH L 46.4% C 0.154 H 298.3°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#663FA2
RGB	rgb(102, 63, 162)
HSL	hsl(264, 44%, 44%)
HSV	hsv(264, 61%, 64%)
CMYK	cmyk(37%, 61.1%, 0%, 36.5%)
CIE-LAB	lab(35.96, 38.68, -47.65)
CIE-LCH	lch(35.96, 61.37, 309.06°)
OKLab	oklab(46.45% 0.0731 -0.1354)
OKLCH	oklch(46.45% 0.154 298.3)
XYZ	xyz(13.7770, 8.9883, 35.1845)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663FA2 #7BA23F

analogous

#3F4AA2 #663FA2 #983FA2

triadic

#663FA2 #A2663F #3FA266

tetradic

#663FA2 #A23F4A #7BA23F #3FA298

square

#663FA2 #A23F4A #7BA23F #3FA298

split-complementary

#663FA2 #A2983F #4AA23F

monochromatic

#2F1D4A #4A2E76 #663FA2 #855EC0 #A68AD1

Accessibility & contrast

On white

7.51

#663FA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#663FA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663FA2

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663FA2	#FFFFFF	#000000	##FFFFFF
##663FA2	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A5

Deuteranopia (green-blind)

#1854A0

Tritanopia (blue-blind)

#58546A

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #663fa2;
/* rgb */ color: rgb(102, 63, 162);
/* oklch */ color: oklch(46.4% 0.154 298.3);

Tailwind

colors: {
  custom: {
    50: '#9676be',
    500: '#663fa2',
    950: '#000000',
  },
}

SCSS

$custom: #663fa2;
$custom-light: #9676be;
$custom-dark: #000000;

JSON

{
  "hex": "#663fa2",
  "rgb": {
    "r": 102,
    "g": 63,
    "b": 162
  },
  "hsl": {
    "h": 263.636,
    "s": 44,
    "l": 44.118
  },
  "oklch": {
    "l": 0.46445,
    "c": 0.15384,
    "h": 298.3
  },
  "luminance": 0.08988
}

Semantic roles & 50–950 ramp

primary

#663FA2

secondary

#A5BC81

accent

#D454A1

background

#F9F7FB

surface

#F2EDF7

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #663FA2

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

Preview Lab → · Contrast checker → · Palette generator →