#663ACF#663ACF

#663ACF is a mid, highly saturated violet. Relative luminance 0.104; OKLCH L 49.3% C 0.214 H 289.7°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#663ACF
RGB	rgb(102, 58, 207)
HSL	hsl(258, 61%, 52%)
HSV	hsv(258, 72%, 81%)
CMYK	cmyk(50.7%, 72%, 0%, 18.8%)
CIE-LAB	lab(38.47, 53.67, -70.10)
CIE-LCH	lch(38.47, 88.29, 307.44°)
OKLab	oklab(49.34% 0.0721 -0.2013)
OKLCH	oklch(49.34% 0.214 289.7)
XYZ	xyz(18.2518, 10.3551, 60.0564)
Luminance	0.1036 (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

#663ACF #A3CF3A

analogous

#3A59CF #663ACF #B03ACF

triadic

#663ACF #CF663A #3ACF66

tetradic

#663ACF #CF3A59 #A3CF3A #3ACFB0

square

#663ACF #CF3A59 #A3CF3A #3ACFB0

split-complementary

#663ACF #CFB03A #59CF3A

monochromatic

#361C73 #4D28A4 #663ACF #8C6BDB #B29CE7

Accessibility & contrast

On white

6.84

#663ACF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#663ACF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663ACF

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663ACF	#FFFFFF	#000000	##FFFFFF
##663ACF	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD3

Deuteranopia (green-blind)

#0057CC

Tritanopia (blue-blind)

#406281

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #663acf;
/* rgb */ color: rgb(102, 58, 207);
/* oklch */ color: oklch(49.3% 0.214 289.7);

Tailwind

colors: {
  custom: {
    50: '#9b74df',
    500: '#663acf',
    950: '#000000',
  },
}

SCSS

$custom: #663acf;
$custom-light: #9b74df;
$custom-dark: #000000;

JSON

{
  "hex": "#663acf",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 207
  },
  "hsl": {
    "h": 257.718,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.49338,
    "c": 0.21385,
    "h": 289.7
  },
  "luminance": 0.10356
}

Semantic roles & 50–950 ramp

primary

#663ACF

secondary

#C0D392

accent

#E444B5

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #663ACF

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

Preview Lab → · Contrast checker → · Palette generator →