#663BA8#663BA8

#663BA8 is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.3% C 0.167 H 297.6°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#663BA8
RGB	rgb(102, 59, 168)
HSL	hsl(264, 48%, 45%)
HSV	hsv(264, 65%, 66%)
CMYK	cmyk(39.3%, 64.9%, 0%, 34.1%)
CIE-LAB	lab(35.56, 42.52, -51.91)
CIE-LCH	lch(35.56, 67.10, 309.32°)
OKLab	oklab(46.29% 0.0774 -0.1479)
OKLCH	oklch(46.29% 0.167 297.6)
XYZ	xyz(14.1095, 8.7796, 37.9895)
Luminance	0.0878 (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

#663BA8 #7DA83B

analogous

#3B46A8 #663BA8 #9D3BA8

triadic

#663BA8 #A8663B #3BA866

tetradic

#663BA8 #A83B46 #7DA83B #3BA89D

square

#663BA8 #A83B46 #7DA83B #3BA89D

split-complementary

#663BA8 #A89D3B #46A83B

monochromatic

#2F1B4D #4B2B7B #663BA8 #855BC5 #A788D5

Accessibility & contrast

On white

7.62

#663BA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#663BA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663BA8

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663BA8	#FFFFFF	#000000	##FFFFFF
##663BA8	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AB

Deuteranopia (green-blind)

#0052A6

Tritanopia (blue-blind)

#56546C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #663ba8;
/* rgb */ color: rgb(102, 59, 168);
/* oklch */ color: oklch(46.3% 0.167 297.6);

Tailwind

colors: {
  custom: {
    50: '#9773c3',
    500: '#663ba8',
    950: '#000000',
  },
}

SCSS

$custom: #663ba8;
$custom-light: #9773c3;
$custom-dark: #000000;

JSON

{
  "hex": "#663ba8",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 168
  },
  "hsl": {
    "h": 263.67,
    "s": 48.018,
    "l": 44.51
  },
  "oklch": {
    "l": 0.46286,
    "c": 0.16692,
    "h": 297.6
  },
  "luminance": 0.0878
}

Semantic roles & 50–950 ramp

primary

#663BA8

secondary

#A6C07F

accent

#D850A2

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #663BA8

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

Preview Lab → · Contrast checker → · Palette generator →