#663DBA#663DBA

#663DBA is a mid, vivid violet. Relative luminance 0.097; OKLCH L 48.0% C 0.186 H 293.2°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#663DBA
RGB	rgb(102, 61, 186)
HSL	hsl(260, 51%, 48%)
HSV	hsv(260, 67%, 73%)
CMYK	cmyk(45.2%, 67.2%, 0%, 27.1%)
CIE-LAB	lab(37.31, 46.34, -59.74)
CIE-LCH	lch(37.31, 75.61, 307.80°)
OKLab	oklab(47.98% 0.0731 -0.1709)
OKLCH	oklch(47.98% 0.186 293.2)
XYZ	xyz(16.0087, 9.7070, 47.4750)
Luminance	0.0971 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.34

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663DBA #91BA3D

analogous

#3D52BA #663DBA #A43DBA

triadic

#663DBA #BA663D #3DBA66

tetradic

#663DBA #BA3D52 #91BA3D #3DBAA4

square

#663DBA #BA3D52 #91BA3D #3DBAA4

split-complementary

#663DBA #BAA43D #52BA3D

monochromatic

#331F5E #4D2E8C #663DBA #8967CD #AC95DC

Accessibility & contrast

On white

7.14

#663DBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#663DBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663DBA

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DBA	#FFFFFF	#000000	##FFFFFF
##663DBA	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BE

Deuteranopia (green-blind)

#0055B7

Tritanopia (blue-blind)

#4E5B76

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #663dba;
/* rgb */ color: rgb(102, 61, 186);
/* oklch */ color: oklch(48.0% 0.186 293.2);

Tailwind

colors: {
  custom: {
    50: '#9875d0',
    500: '#663dba',
    950: '#000000',
  },
}

SCSS

$custom: #663dba;
$custom-light: #9875d0;
$custom-dark: #000000;

JSON

{
  "hex": "#663dba",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 186
  },
  "hsl": {
    "h": 259.68,
    "s": 50.607,
    "l": 48.431
  },
  "oklch": {
    "l": 0.47977,
    "c": 0.1859,
    "h": 293.2
  },
  "luminance": 0.09707
}

Semantic roles & 50–950 ramp

primary

#663DBA

secondary

#B4C88B

accent

#DA4EAC

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0814

muted

#7E7B82

Preview Lab

Preview with #663DBA

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

Preview Lab → · Contrast checker → · Palette generator →