#664BC9#664BC9

#664BC9 is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.2% C 0.186 H 287.8°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#664BC9
RGB	rgb(102, 75, 201)
HSL	hsl(253, 54%, 54%)
HSV	hsv(253, 63%, 79%)
CMYK	cmyk(49.3%, 62.7%, 0%, 21.2%)
CIE-LAB	lab(41.33, 42.83, -61.96)
CIE-LCH	lch(41.33, 75.32, 304.65°)
OKLab	oklab(51.24% 0.057 -0.1775)
OKLCH	oklch(51.24% 0.186 287.8)
XYZ	xyz(18.5351, 12.0732, 56.6007)
Luminance	0.1207 (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

#664BC9 #AEC94B

analogous

#4B6FC9 #664BC9 #A54BC9

triadic

#664BC9 #C9664B #4BC966

tetradic

#664BC9 #C94B6F #AEC94B #4BC9A5

square

#664BC9 #C94B6F #AEC94B #4BC9A5

split-complementary

#664BC9 #C9A54B #6FC94B

monochromatic

#352376 #4A32A5 #664BC9 #8E7AD7 #B6A9E5

Accessibility & contrast

On white

6.15

#664BC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#664BC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664BC9

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664BC9	#FFFFFF	#000000	##FFFFFF
##664BC9	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CD

Deuteranopia (green-blind)

#005EC6

Tritanopia (blue-blind)

#446983

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #664bc9;
/* rgb */ color: rgb(102, 75, 201);
/* oklch */ color: oklch(51.2% 0.186 287.8);

Tailwind

colors: {
  custom: {
    50: '#997fda',
    500: '#664bc9',
    950: '#000000',
  },
}

SCSS

$custom: #664bc9;
$custom-light: #997fda;
$custom-dark: #000000;

JSON

{
  "hex": "#664bc9",
  "rgb": {
    "r": 102,
    "g": 75,
    "b": 201
  },
  "hsl": {
    "h": 252.857,
    "s": 53.846,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51242,
    "c": 0.18639,
    "h": 287.8
  },
  "luminance": 0.12074
}

Semantic roles & 50–950 ramp

primary

#664BC9

secondary

#C7D39D

accent

#DD4BBE

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #664BC9

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

Preview Lab → · Contrast checker → · Palette generator →