#663CCD#663CCD

#663CCD is a mid, highly saturated violet. Relative luminance 0.105; OKLCH L 49.4% C 0.209 H 289.8°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#663CCD
RGB	rgb(102, 60, 205)
HSL	hsl(257, 59%, 52%)
HSV	hsv(257, 71%, 80%)
CMYK	cmyk(50.2%, 70.7%, 0%, 19.6%)
CIE-LAB	lab(38.66, 52.11, -68.63)
CIE-LCH	lch(38.66, 86.18, 307.21°)
OKLab	oklab(49.42% 0.0708 -0.197)
OKLCH	oklch(49.42% 0.209 289.8)
XYZ	xyz(18.1116, 10.4635, 58.8111)
Luminance	0.1046 (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

#663CCD #A3CD3C

analogous

#3C5BCD #663CCD #AE3CCD

triadic

#663CCD #CD663C #3CCD66

tetradic

#663CCD #CD3C5B #A3CD3C #3CCDAE

square

#663CCD #CD3C5B #A3CD3C #3CCDAE

split-complementary

#663CCD #CDAE3C #5BCD3C

monochromatic

#361D71 #4D2AA2 #663CCD #8C6DD9 #B29DE6

Accessibility & contrast

On white

6.79

#663CCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#663CCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663CCD

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CCD	#FFFFFF	#000000	##FFFFFF
##663CCD	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED1

Deuteranopia (green-blind)

#0058CA

Tritanopia (blue-blind)

#426280

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #663ccd;
/* rgb */ color: rgb(102, 60, 205);
/* oklch */ color: oklch(49.4% 0.209 289.8);

Tailwind

colors: {
  custom: {
    50: '#9b75dd',
    500: '#663ccd',
    950: '#000000',
  },
}

SCSS

$custom: #663ccd;
$custom-light: #9b75dd;
$custom-dark: #000000;

JSON

{
  "hex": "#663ccd",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 205
  },
  "hsl": {
    "h": 257.379,
    "s": 59.184,
    "l": 51.961
  },
  "oklch": {
    "l": 0.4942,
    "c": 0.20937,
    "h": 289.8
  },
  "luminance": 0.10464
}

Semantic roles & 50–950 ramp

primary

#663CCD

secondary

#C0D293

accent

#E245B5

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #663CCD

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

Preview Lab → · Contrast checker → · Palette generator →