#663DAB#663DAB

#663DAB is a mid, vivid violet. Relative luminance 0.091; OKLCH L 46.8% C 0.168 H 296.5°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#663DAB
RGB	rgb(102, 61, 171)
HSL	hsl(262, 47%, 45%)
HSV	hsv(262, 64%, 67%)
CMYK	cmyk(40.4%, 64.3%, 0%, 32.9%)
CIE-LAB	lab(36.18, 42.23, -52.69)
CIE-LCH	lch(36.18, 67.53, 308.71°)
OKLab	oklab(46.81% 0.0749 -0.1502)
OKLCH	oklch(46.81% 0.168 296.5)
XYZ	xyz(14.4970, 9.1023, 39.5133)
Luminance	0.0910 (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

#663DAB #82AB3D

analogous

#3D4BAB #663DAB #9D3DAB

triadic

#663DAB #AB663D #3DAB66

tetradic

#663DAB #AB3D4B #82AB3D #3DAB9D

square

#663DAB #AB3D4B #82AB3D #3DAB9D

split-complementary

#663DAB #AB9D3D #4BAB3D

monochromatic

#301D51 #4B2D7E #663DAB #865FC6 #A88CD6

Accessibility & contrast

On white

7.45

#663DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#663DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663DAB

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DAB	#FFFFFF	#000000	##FFFFFF
##663DAB	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AE

Deuteranopia (green-blind)

#0054A9

Tritanopia (blue-blind)

#55566E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #663dab;
/* rgb */ color: rgb(102, 61, 171);
/* oklch */ color: oklch(46.8% 0.168 296.5);

Tailwind

colors: {
  custom: {
    50: '#9775c5',
    500: '#663dab',
    950: '#000000',
  },
}

SCSS

$custom: #663dab;
$custom-light: #9775c5;
$custom-dark: #000000;

JSON

{
  "hex": "#663dab",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 171
  },
  "hsl": {
    "h": 262.364,
    "s": 47.414,
    "l": 45.49
  },
  "oklch": {
    "l": 0.46806,
    "c": 0.16781,
    "h": 296.5
  },
  "luminance": 0.09103
}

Semantic roles & 50–950 ramp

primary

#663DAB

secondary

#AAC183

accent

#D751A5

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663DAB

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

Preview Lab → · Contrast checker → · Palette generator →