#663AC9#663AC9

#663AC9 is a mid, highly saturated violet. Relative luminance 0.101; OKLCH L 48.8% C 0.207 H 290.8°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#663AC9
RGB	rgb(102, 58, 201)
HSL	hsl(258, 57%, 51%)
HSV	hsv(258, 71%, 79%)
CMYK	cmyk(49.3%, 71.1%, 0%, 21.2%)
CIE-LAB	lab(37.96, 52.02, -67.46)
CIE-LCH	lch(37.96, 85.19, 307.64°)
OKLab	oklab(48.82% 0.0734 -0.1936)
OKLCH	oklch(48.82% 0.207 290.8)
XYZ	xyz(17.5322, 10.0672, 56.2664)
Luminance	0.1007 (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

#663AC9 #9DC93A

analogous

#3A55C9 #663AC9 #AE3AC9

triadic

#663AC9 #C9663A #3AC966

tetradic

#663AC9 #C93A55 #9DC93A #3AC9AE

square

#663AC9 #C93A55 #9DC93A #3AC9AE

split-complementary

#663AC9 #C9AE3A #55C93A

monochromatic

#351D6B #4D2B9B #663AC9 #8B6AD6 #B19AE3

Accessibility & contrast

On white

6.97

#663AC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#663AC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663AC9

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AC9	#FFFFFF	#000000	##FFFFFF
##663AC9	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCD

Deuteranopia (green-blind)

#0056C6

Tritanopia (blue-blind)

#455F7E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #663ac9;
/* rgb */ color: rgb(102, 58, 201);
/* oklch */ color: oklch(48.8% 0.207 290.8);

Tailwind

colors: {
  custom: {
    50: '#9b74da',
    500: '#663ac9',
    950: '#000000',
  },
}

SCSS

$custom: #663ac9;
$custom-light: #9b74da;
$custom-dark: #000000;

JSON

{
  "hex": "#663ac9",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 201
  },
  "hsl": {
    "h": 258.462,
    "s": 56.972,
    "l": 50.784
  },
  "oklch": {
    "l": 0.4882,
    "c": 0.20701,
    "h": 290.8
  },
  "luminance": 0.10068
}

Semantic roles & 50–950 ramp

primary

#663AC9

secondary

#BCCF90

accent

#E048B1

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #663AC9

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

Preview Lab → · Contrast checker → · Palette generator →