#663AAF#663AAF

#663AAF is a mid, vivid violet. Relative luminance 0.089; OKLCH L 46.7% C 0.177 H 296.1°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#663AAF
RGB	rgb(102, 58, 175)
HSL	hsl(263, 50%, 46%)
HSV	hsv(263, 67%, 69%)
CMYK	cmyk(41.7%, 66.9%, 0%, 31.4%)
CIE-LAB	lab(35.88, 44.94, -55.56)
CIE-LCH	lch(35.88, 71.46, 308.97°)
OKLab	oklab(46.68% 0.0778 -0.1586)
OKLCH	oklch(46.68% 0.177 296.1)
XYZ	xyz(14.7284, 8.9457, 41.4998)
Luminance	0.0895 (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

#663AAF #83AF3A

analogous

#3A48AF #663AAF #A03AAF

triadic

#663AAF #AF663A #3AAF66

tetradic

#663AAF #AF3A48 #83AF3A #3AAFA0

square

#663AAF #AF3A48 #83AF3A #3AAFA0

split-complementary

#663AAF #AFA03A #48AF3A

monochromatic

#301C53 #4B2B81 #663AAF #865DC9 #A88BD9

Accessibility & contrast

On white

7.53

#663AAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#663AAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663AAF

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AAF	#FFFFFF	#000000	##FFFFFF
##663AAF	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B3

Deuteranopia (green-blind)

#0053AD

Tritanopia (blue-blind)

#53566F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #663aaf;
/* rgb */ color: rgb(102, 58, 175);
/* oklch */ color: oklch(46.7% 0.177 296.1);

Tailwind

colors: {
  custom: {
    50: '#9773c8',
    500: '#663aaf',
    950: '#000000',
  },
}

SCSS

$custom: #663aaf;
$custom-light: #9773c8;
$custom-dark: #000000;

JSON

{
  "hex": "#663aaf",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 175
  },
  "hsl": {
    "h": 262.564,
    "s": 50.215,
    "l": 45.686
  },
  "oklch": {
    "l": 0.46683,
    "c": 0.17665,
    "h": 296.1
  },
  "luminance": 0.08946
}

Semantic roles & 50–950 ramp

primary

#663AAF

secondary

#AAC382

accent

#DA4EA5

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663AAF

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

Preview Lab → · Contrast checker → · Palette generator →