#663EBC#663EBC

#663EBC is a mid, vivid violet. Relative luminance 0.099; OKLCH L 48.3% C 0.187 H 292.6°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#663EBC
RGB	rgb(102, 62, 188)
HSL	hsl(259, 50%, 49%)
HSV	hsv(259, 67%, 74%)
CMYK	cmyk(45.7%, 67%, 0%, 26.3%)
CIE-LAB	lab(37.66, 46.35, -60.35)
CIE-LCH	lch(37.66, 76.09, 307.53°)
OKLab	oklab(48.28% 0.0718 -0.1727)
OKLCH	oklch(48.28% 0.187 292.6)
XYZ	xyz(16.2767, 9.9004, 48.6206)
Luminance	0.0990 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.97

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663EBC #94BC3E

analogous

#3E55BC #663EBC #A53EBC

triadic

#663EBC #BC663E #3EBC66

tetradic

#663EBC #BC3E55 #94BC3E #3EBCA5

square

#663EBC #BC3E55 #94BC3E #3EBCA5

split-complementary

#663EBC #BCA53E #55BC3E

monochromatic

#342060 #4D2F8E #663EBC #896ACE #AE98DD

Accessibility & contrast

On white

7.05

#663EBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#663EBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663EBC

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EBC	#FFFFFF	#000000	##FFFFFF
##663EBC	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC0

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#4C5D78

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #663ebc;
/* rgb */ color: rgb(102, 62, 188);
/* oklch */ color: oklch(48.3% 0.187 292.6);

Tailwind

colors: {
  custom: {
    50: '#9976d1',
    500: '#663ebc',
    950: '#000000',
  },
}

SCSS

$custom: #663ebc;
$custom-light: #9976d1;
$custom-dark: #000000;

JSON

{
  "hex": "#663ebc",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 188
  },
  "hsl": {
    "h": 259.048,
    "s": 50.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48278,
    "c": 0.18703,
    "h": 292.6
  },
  "luminance": 0.09901
}

Semantic roles & 50–950 ramp

primary

#663EBC

secondary

#B6C98D

accent

#DA4EAD

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0914

muted

#7E7B83

Preview Lab

Preview with #663EBC

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

Preview Lab → · Contrast checker → · Palette generator →