#664BC7#664BC7

#664BC7 is a mid, vivid violet. Relative luminance 0.120; OKLCH L 51.1% C 0.184 H 288.1°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#664BC7
RGB	rgb(102, 75, 199)
HSL	hsl(253, 53%, 54%)
HSV	hsv(253, 62%, 78%)
CMYK	cmyk(48.7%, 62.3%, 0%, 22%)
CIE-LAB	lab(41.18, 42.24, -61.04)
CIE-LCH	lch(41.18, 74.24, 304.68°)
OKLab	oklab(51.09% 0.0572 -0.1748)
OKLCH	oklch(51.09% 0.184 288.1)
XYZ	xyz(18.3014, 11.9797, 55.3697)
Luminance	0.1198 (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

#664BC7 #ACC74B

analogous

#4B6EC7 #664BC7 #A44BC7

triadic

#664BC7 #C7664B #4BC766

tetradic

#664BC7 #C74B6E #ACC74B #4BC7A4

square

#664BC7 #C74B6E #ACC74B #4BC7A4

split-complementary

#664BC7 #C7A44B #6EC74B

monochromatic

#352474 #4B32A2 #664BC7 #8E7AD6 #B5A8E4

Accessibility & contrast

On white

6.18

#664BC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#664BC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664BC7

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664BC7	#FFFFFF	#000000	##FFFFFF
##664BC7	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CB

Deuteranopia (green-blind)

#005EC4

Tritanopia (blue-blind)

#456882

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #664bc7;
/* rgb */ color: rgb(102, 75, 199);
/* oklch */ color: oklch(51.1% 0.184 288.1);

Tailwind

colors: {
  custom: {
    50: '#997fd9',
    500: '#664bc7',
    950: '#000000',
  },
}

SCSS

$custom: #664bc7;
$custom-light: #997fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#664bc7",
  "rgb": {
    "r": 102,
    "g": 75,
    "b": 199
  },
  "hsl": {
    "h": 253.065,
    "s": 52.542,
    "l": 53.725
  },
  "oklch": {
    "l": 0.51087,
    "c": 0.18387,
    "h": 288.1
  },
  "luminance": 0.1198
}

Semantic roles & 50–950 ramp

primary

#664BC7

secondary

#C6D19C

accent

#DC4CBD

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #664BC7

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

Preview Lab → · Contrast checker → · Palette generator →