#663EBA#663EBA

#663EBA is a mid, vivid violet. Relative luminance 0.098; OKLCH L 48.1% C 0.185 H 293.0°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#663EBA
RGB	rgb(102, 62, 186)
HSL	hsl(259, 50%, 49%)
HSV	hsv(259, 67%, 73%)
CMYK	cmyk(45.2%, 66.7%, 0%, 27.1%)
CIE-LAB	lab(37.51, 45.80, -59.42)
CIE-LCH	lch(37.51, 75.02, 307.62°)
OKLab	oklab(48.12% 0.0721 -0.17)
OKLCH	oklch(48.12% 0.185 293)
XYZ	xyz(16.0626, 9.8147, 47.4930)
Luminance	0.0982 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.24

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663EBA #92BA3E

analogous

#3E54BA #663EBA #A43EBA

triadic

#663EBA #BA663E #3EBA66

tetradic

#663EBA #BA3E54 #92BA3E #3EBAA4

square

#663EBA #BA3E54 #92BA3E #3EBAA4

split-complementary

#663EBA #BAA43E #54BA3E

monochromatic

#341F5E #4D2F8C #663EBA #8968CD #AD96DC

Accessibility & contrast

On white

7.09

#663EBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#663EBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663EBA

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EBA	#FFFFFF	#000000	##FFFFFF
##663EBA	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABE

Deuteranopia (green-blind)

#0056B7

Tritanopia (blue-blind)

#4E5C77

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #663eba;
/* rgb */ color: rgb(102, 62, 186);
/* oklch */ color: oklch(48.1% 0.185 293.0);

Tailwind

colors: {
  custom: {
    50: '#9876d0',
    500: '#663eba',
    950: '#000000',
  },
}

SCSS

$custom: #663eba;
$custom-light: #9876d0;
$custom-dark: #000000;

JSON

{
  "hex": "#663eba",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 186
  },
  "hsl": {
    "h": 259.355,
    "s": 50,
    "l": 48.627
  },
  "oklch": {
    "l": 0.48118,
    "c": 0.18463,
    "h": 293
  },
  "luminance": 0.09815
}

Semantic roles & 50–950 ramp

primary

#663EBA

secondary

#B4C88C

accent

#DA4EAD

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0914

muted

#7E7B82

Preview Lab

Preview with #663EBA

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

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