#664CAF#664CAF

#664CAF is a mid, vivid violet. Relative luminance 0.111; OKLCH L 49.5% C 0.151 H 292.0°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#664CAF
RGB	rgb(102, 76, 175)
HSL	hsl(256, 39%, 49%)
HSV	hsv(256, 57%, 69%)
CMYK	cmyk(41.7%, 56.6%, 0%, 31.4%)
CIE-LAB	lab(39.73, 34.71, -49.34)
CIE-LCH	lch(39.73, 60.32, 305.13°)
OKLab	oklab(49.49% 0.0568 -0.1403)
OKLCH	oklch(49.49% 0.151 292)
XYZ	xyz(15.7997, 11.0884, 41.8569)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.29

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664CAF #95AF4C

analogous

#4C64AF #664CAF #984CAF

triadic

#664CAF #AF664C #4CAF66

tetradic

#664CAF #AF4C64 #95AF4C #4CAF98

square

#664CAF #AF4C64 #95AF4C #4CAF98

split-complementary

#664CAF #AF984C #64AF4C

monochromatic

#34275A #4D3984 #664CAF #8A75C3 #AEA0D6

Accessibility & contrast

On white

6.53

#664CAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#664CAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664CAF

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664CAF	#FFFFFF	#000000	##FFFFFF
##664CAF	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#175FB2

Deuteranopia (green-blind)

#1E5CAD

Tritanopia (blue-blind)

#526176

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #664caf;
/* rgb */ color: rgb(102, 76, 175);
/* oklch */ color: oklch(49.5% 0.151 292.0);

Tailwind

colors: {
  custom: {
    50: '#967fc7',
    500: '#664caf',
    950: '#000000',
  },
}

SCSS

$custom: #664caf;
$custom-light: #967fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#664caf",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 175
  },
  "hsl": {
    "h": 255.758,
    "s": 39.442,
    "l": 49.216
  },
  "oklch": {
    "l": 0.49488,
    "c": 0.1514,
    "h": 292
  },
  "luminance": 0.11089
}

Semantic roles & 50–950 ramp

primary

#664CAF

secondary

#B6C294

accent

#CF58B0

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #664CAF

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

Preview Lab → · Contrast checker → · Palette generator →