#663AA8#663AA8

#663AA8 is a mid, vivid violet. Relative luminance 0.087; OKLCH L 46.1% C 0.168 H 297.8°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#663AA8
RGB	rgb(102, 58, 168)
HSL	hsl(264, 49%, 44%)
HSV	hsv(264, 65%, 66%)
CMYK	cmyk(39.3%, 65.5%, 0%, 34.1%)
CIE-LAB	lab(35.36, 43.06, -52.23)
CIE-LCH	lch(35.36, 67.69, 309.50°)
OKLab	oklab(46.14% 0.0786 -0.1488)
OKLCH	oklch(46.14% 0.168 297.8)
XYZ	xyz(14.0586, 8.6778, 37.9725)
Luminance	0.0868 (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

#663AA8 #7CA83A

analogous

#3A45A8 #663AA8 #9D3AA8

triadic

#663AA8 #A8663A #3AA866

tetradic

#663AA8 #A83A45 #7CA83A #3AA89D

square

#663AA8 #A83A45 #7CA83A #3AA89D

split-complementary

#663AA8 #A89D3A #45A83A

monochromatic

#2F1B4D #4A2A7B #663AA8 #8559C6 #A687D6

Accessibility & contrast

On white

7.68

#663AA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#663AA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663AA8

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AA8	#FFFFFF	#000000	##FFFFFF
##663AA8	1.00	7.68	2.74	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AB

Deuteranopia (green-blind)

#0052A6

Tritanopia (blue-blind)

#56536C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #663aa8;
/* rgb */ color: rgb(102, 58, 168);
/* oklch */ color: oklch(46.1% 0.168 297.8);

Tailwind

colors: {
  custom: {
    50: '#9773c3',
    500: '#663aa8',
    950: '#000000',
  },
}

SCSS

$custom: #663aa8;
$custom-light: #9773c3;
$custom-dark: #000000;

JSON

{
  "hex": "#663aa8",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 168
  },
  "hsl": {
    "h": 264,
    "s": 48.673,
    "l": 44.314
  },
  "oklch": {
    "l": 0.46141,
    "c": 0.16829,
    "h": 297.8
  },
  "luminance": 0.08678
}

Semantic roles & 50–950 ramp

primary

#663AA8

secondary

#A5C07E

accent

#D850A2

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #663AA8

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

Preview Lab → · Contrast checker → · Palette generator →