#663BAA#663BAA

#663BAA is a mid, vivid violet. Relative luminance 0.089; OKLCH L 46.4% C 0.169 H 297.1°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#663BAA
RGB	rgb(102, 59, 170)
HSL	hsl(263, 48%, 45%)
HSV	hsv(263, 65%, 67%)
CMYK	cmyk(40%, 65.3%, 0%, 33.3%)
CIE-LAB	lab(35.70, 43.06, -52.87)
CIE-LCH	lch(35.70, 68.18, 309.16°)
OKLab	oklab(46.44% 0.0772 -0.1507)
OKLCH	oklch(46.44% 0.169 297.1)
XYZ	xyz(14.2973, 8.8547, 38.9783)
Luminance	0.0886 (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

#663BAA #7FAA3B

analogous

#3B48AA #663BAA #9E3BAA

triadic

#663BAA #AA663B #3BAA66

tetradic

#663BAA #AA3B48 #7FAA3B #3BAA9E

square

#663BAA #AA3B48 #7FAA3B #3BAA9E

split-complementary

#663BAA #AA9E3B #48AA3B

monochromatic

#2F1B4F #4B2B7D #663BAA #855CC6 #A789D6

Accessibility & contrast

On white

7.58

#663BAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#663BAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663BAA

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663BAA	#FFFFFF	#000000	##FFFFFF
##663BAA	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AD

Deuteranopia (green-blind)

#0053A8

Tritanopia (blue-blind)

#55546D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #663baa;
/* rgb */ color: rgb(102, 59, 170);
/* oklch */ color: oklch(46.4% 0.169 297.1);

Tailwind

colors: {
  custom: {
    50: '#9773c4',
    500: '#663baa',
    950: '#000000',
  },
}

SCSS

$custom: #663baa;
$custom-light: #9773c4;
$custom-dark: #000000;

JSON

{
  "hex": "#663baa",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 170
  },
  "hsl": {
    "h": 263.243,
    "s": 48.472,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46438,
    "c": 0.16933,
    "h": 297.1
  },
  "luminance": 0.08855
}

Semantic roles & 50–950 ramp

primary

#663BAA

secondary

#A8C080

accent

#D850A3

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663BAA

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

Preview Lab → · Contrast checker → · Palette generator →