#663BA7#663BA7

#663BA7 is a mid, vivid violet. Relative luminance 0.087; OKLCH L 46.2% C 0.166 H 297.9°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#663BA7
RGB	rgb(102, 59, 167)
HSL	hsl(264, 48%, 44%)
HSV	hsv(264, 65%, 65%)
CMYK	cmyk(38.9%, 64.7%, 0%, 34.5%)
CIE-LAB	lab(35.48, 42.25, -51.43)
CIE-LCH	lch(35.48, 66.56, 309.41°)
OKLab	oklab(46.21% 0.0775 -0.1465)
OKLCH	oklch(46.21% 0.166 297.9)
XYZ	xyz(14.0167, 8.7425, 37.5007)
Luminance	0.0874 (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

#663BA7 #7CA73B

analogous

#3B46A7 #663BA7 #9C3BA7

triadic

#663BA7 #A7663B #3BA766

tetradic

#663BA7 #A73B46 #7CA73B #3BA79C

square

#663BA7 #A73B46 #7CA73B #3BA79C

split-complementary

#663BA7 #A79C3B #46A73B

monochromatic

#2F1B4D #4A2B7A #663BA7 #855AC5 #A688D5

Accessibility & contrast

On white

7.64

#663BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#663BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663BA7

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663BA7	#FFFFFF	#000000	##FFFFFF
##663BA7	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AA

Deuteranopia (green-blind)

#0052A5

Tritanopia (blue-blind)

#57536B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #663ba7;
/* rgb */ color: rgb(102, 59, 167);
/* oklch */ color: oklch(46.2% 0.166 297.9);

Tailwind

colors: {
  custom: {
    50: '#9773c2',
    500: '#663ba7',
    950: '#000000',
  },
}

SCSS

$custom: #663ba7;
$custom-light: #9773c2;
$custom-dark: #000000;

JSON

{
  "hex": "#663ba7",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 167
  },
  "hsl": {
    "h": 263.889,
    "s": 47.788,
    "l": 44.314
  },
  "oklch": {
    "l": 0.4621,
    "c": 0.16571,
    "h": 297.9
  },
  "luminance": 0.08743
}

Semantic roles & 50–950 ramp

primary

#663BA7

secondary

#A5BF7F

accent

#D750A2

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #663BA7

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

Preview Lab → · Contrast checker → · Palette generator →