#664CAE#664CAE

#664CAE is a mid, vivid violet. Relative luminance 0.111; OKLCH L 49.4% C 0.150 H 292.2°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#664CAE
RGB	rgb(102, 76, 174)
HSL	hsl(256, 39%, 49%)
HSV	hsv(256, 56%, 68%)
CMYK	cmyk(41.4%, 56.3%, 0%, 31.8%)
CIE-LAB	lab(39.66, 34.42, -48.85)
CIE-LCH	lch(39.66, 59.76, 305.17°)
OKLab	oklab(49.42% 0.0568 -0.1389)
OKLCH	oklch(49.42% 0.15 292.2)
XYZ	xyz(15.7018, 11.0492, 41.3416)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.40

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664CAE #94AE4C

analogous

#4C63AE #664CAE #974CAE

triadic

#664CAE #AE664C #4CAE66

tetradic

#664CAE #AE4C63 #94AE4C #4CAE97

square

#664CAE #AE4C63 #94AE4C #4CAE97

split-complementary

#664CAE #AE974C #63AE4C

monochromatic

#342759 #4D3983 #664CAE #8975C3 #AE9FD5

Accessibility & contrast

On white

6.54

#664CAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#664CAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664CAE

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664CAE	#FFFFFF	#000000	##FFFFFF
##664CAE	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#195FB1

Deuteranopia (green-blind)

#205CAC

Tritanopia (blue-blind)

#536175

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #664cae;
/* rgb */ color: rgb(102, 76, 174);
/* oklch */ color: oklch(49.4% 0.150 292.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#664cae",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 174
  },
  "hsl": {
    "h": 255.918,
    "s": 39.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.49419,
    "c": 0.15007,
    "h": 292.2
  },
  "luminance": 0.1105
}

Semantic roles & 50–950 ramp

primary

#664CAE

secondary

#B6C294

accent

#CF59B0

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #664CAE

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

Preview Lab → · Contrast checker → · Palette generator →