#663CAF#663CAF

#663CAF is a mid, vivid violet. Relative luminance 0.092; OKLCH L 47.0% C 0.174 H 295.7°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#663CAF
RGB	rgb(102, 60, 175)
HSL	hsl(262, 49%, 46%)
HSV	hsv(262, 66%, 69%)
CMYK	cmyk(41.7%, 65.7%, 0%, 31.4%)
CIE-LAB	lab(36.27, 43.87, -54.92)
CIE-LCH	lch(36.27, 70.29, 308.61°)
OKLab	oklab(46.97% 0.0756 -0.1567)
OKLCH	oklch(46.97% 0.174 295.7)
XYZ	xyz(14.8312, 9.1513, 41.5341)
Luminance	0.0915 (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

#663CAF #85AF3C

analogous

#3C4BAF #663CAF #9F3CAF

triadic

#663CAF #AF663C #3CAF66

tetradic

#663CAF #AF3C4B #85AF3C #3CAF9F

square

#663CAF #AF3C4B #85AF3C #3CAF9F

split-complementary

#663CAF #AF9F3C #4BAF3C

monochromatic

#311D54 #4B2C81 #663CAF #8660C8 #A98DD8

Accessibility & contrast

On white

7.42

#663CAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#663CAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663CAF

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CAF	#FFFFFF	#000000	##FFFFFF
##663CAF	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B3

Deuteranopia (green-blind)

#0054AD

Tritanopia (blue-blind)

#535770

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #663caf;
/* rgb */ color: rgb(102, 60, 175);
/* oklch */ color: oklch(47.0% 0.174 295.7);

Tailwind

colors: {
  custom: {
    50: '#9774c8',
    500: '#663caf',
    950: '#000000',
  },
}

SCSS

$custom: #663caf;
$custom-light: #9774c8;
$custom-dark: #000000;

JSON

{
  "hex": "#663caf",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 175
  },
  "hsl": {
    "h": 261.913,
    "s": 48.936,
    "l": 46.078
  },
  "oklch": {
    "l": 0.46967,
    "c": 0.17401,
    "h": 295.7
  },
  "luminance": 0.09152
}

Semantic roles & 50–950 ramp

primary

#663CAF

secondary

#ACC384

accent

#D84FA6

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663CAF

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

Preview Lab → · Contrast checker → · Palette generator →