#664FB7#664FB7

#664FB7 is a mid, vivid violet. Relative luminance 0.118; OKLCH L 50.6% C 0.158 H 289.7°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#664FB7
RGB	rgb(102, 79, 183)
HSL	hsl(253, 42%, 51%)
HSV	hsv(253, 57%, 72%)
CMYK	cmyk(44.3%, 56.8%, 0%, 28.2%)
CIE-LAB	lab(40.95, 35.23, -52.08)
CIE-LCH	lch(40.95, 62.88, 304.08°)
OKLab	oklab(50.56% 0.0533 -0.1484)
OKLCH	oklch(50.56% 0.158 289.7)
XYZ	xyz(16.8203, 11.8351, 46.1887)
Luminance	0.1184 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664FB7 #A0B74F

analogous

#4F6CB7 #664FB7 #9A4FB7

triadic

#664FB7 #B7664F #4FB766

tetradic

#664FB7 #B74F6C #A0B74F #4FB79A

square

#664FB7 #B74F6C #A0B74F #4FB79A

split-complementary

#664FB7 #B79A4F #6CB74F

monochromatic

#352963 #4D3A8F #664FB7 #8C7AC9 #B2A6DB

Accessibility & contrast

On white

6.24

#664FB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#664FB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664FB7

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664FB7	#FFFFFF	#000000	##FFFFFF
##664FB7	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1163BA

Deuteranopia (green-blind)

#165EB5

Tritanopia (blue-blind)

#4E667B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #664fb7;
/* rgb */ color: rgb(102, 79, 183);
/* oklch */ color: oklch(50.6% 0.158 289.7);

Tailwind

colors: {
  custom: {
    50: '#9781cd',
    500: '#664fb7',
    950: '#000000',
  },
}

SCSS

$custom: #664fb7;
$custom-light: #9781cd;
$custom-dark: #000000;

JSON

{
  "hex": "#664fb7",
  "rgb": {
    "r": 102,
    "g": 79,
    "b": 183
  },
  "hsl": {
    "h": 253.269,
    "s": 41.935,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50561,
    "c": 0.15766,
    "h": 289.7
  },
  "luminance": 0.11836
}

Semantic roles & 50–950 ramp

primary

#664FB7

secondary

#BEC89A

accent

#D256B6

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #664FB7

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

Preview Lab → · Contrast checker → · Palette generator →