#664CBC#664CBC

#664CBC is a mid, vivid violet. Relative luminance 0.116; OKLCH L 50.4% C 0.168 H 289.7°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#664CBC
RGB	rgb(102, 76, 188)
HSL	hsl(254, 46%, 52%)
HSV	hsv(254, 60%, 74%)
CMYK	cmyk(45.7%, 59.6%, 0%, 26.3%)
CIE-LAB	lab(40.61, 38.46, -55.56)
CIE-LCH	lch(40.61, 67.57, 304.69°)
OKLab	oklab(50.42% 0.0567 -0.1586)
OKLCH	oklch(50.42% 0.168 289.7)
XYZ	xyz(17.1385, 11.6239, 48.9078)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.19

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664CBC #A2BC4C

analogous

#4C6ABC #664CBC #9E4CBC

triadic

#664CBC #BC664C #4CBC66

tetradic

#664CBC #BC4C6A #A2BC4C #4CBC9E

square

#664CBC #BC4C6A #A2BC4C #4CBC9E

split-complementary

#664CBC #BC9E4C #6ABC4C

monochromatic

#362767 #4D3794 #664CBC #8C79CD #B2A5DD

Accessibility & contrast

On white

6.32

#664CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#664CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664CBC

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664CBC	#FFFFFF	#000000	##FFFFFF
##664CBC	1.00	6.32	3.33	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#005DBA

Tritanopia (blue-blind)

#4C657D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #664cbc;
/* rgb */ color: rgb(102, 76, 188);
/* oklch */ color: oklch(50.4% 0.168 289.7);

Tailwind

colors: {
  custom: {
    50: '#987fd1',
    500: '#664cbc',
    950: '#000000',
  },
}

SCSS

$custom: #664cbc;
$custom-light: #987fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#664cbc",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 188
  },
  "hsl": {
    "h": 253.929,
    "s": 45.528,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50419,
    "c": 0.16845,
    "h": 289.7
  },
  "luminance": 0.11625
}

Semantic roles & 50–950 ramp

primary

#664CBC

secondary

#BFCA99

accent

#D553B7

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #664CBC

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

Preview Lab → · Contrast checker → · Palette generator →