#663EC7#663EC7

#663EC7 is a mid, highly saturated violet. Relative luminance 0.104; OKLCH L 49.2% C 0.200 H 290.5°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#663EC7
RGB	rgb(102, 62, 199)
HSL	hsl(258, 55%, 51%)
HSV	hsv(258, 69%, 78%)
CMYK	cmyk(48.7%, 68.8%, 0%, 22%)
CIE-LAB	lab(38.54, 49.41, -65.35)
CIE-LCH	lch(38.54, 81.93, 307.09°)
OKLab	oklab(49.18% 0.0701 -0.1874)
OKLCH	oklch(49.18% 0.2 290.5)
XYZ	xyz(17.5080, 10.3929, 55.1053)
Luminance	0.1039 (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

#663EC7 #9FC73E

analogous

#3E5AC7 #663EC7 #AA3EC7

triadic

#663EC7 #C7663E #3EC766

tetradic

#663EC7 #C73E5A #9FC73E #3EC7AA

square

#663EC7 #C73E5A #9FC73E #3EC7AA

split-complementary

#663EC7 #C7AA3E #5AC73E

monochromatic

#351F6B #4D2D9B #663EC7 #8C6DD5 #B19DE3

Accessibility & contrast

On white

6.82

#663EC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#663EC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663EC7

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EC7	#FFFFFF	#000000	##FFFFFF
##663EC7	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCB

Deuteranopia (green-blind)

#0058C4

Tritanopia (blue-blind)

#46617E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #663ec7;
/* rgb */ color: rgb(102, 62, 199);
/* oklch */ color: oklch(49.2% 0.200 290.5);

Tailwind

colors: {
  custom: {
    50: '#9a76d9',
    500: '#663ec7',
    950: '#000000',
  },
}

SCSS

$custom: #663ec7;
$custom-light: #9a76d9;
$custom-dark: #000000;

JSON

{
  "hex": "#663ec7",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 199
  },
  "hsl": {
    "h": 257.518,
    "s": 55.02,
    "l": 51.176
  },
  "oklch": {
    "l": 0.49178,
    "c": 0.20008,
    "h": 290.5
  },
  "luminance": 0.10394
}

Semantic roles & 50–950 ramp

primary

#663EC7

secondary

#BDCF92

accent

#DE49B3

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #663EC7

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

Preview Lab → · Contrast checker → · Palette generator →