#664AAF#664AAF

#664AAF is a mid, vivid violet. Relative luminance 0.108; OKLCH L 49.2% C 0.154 H 292.6°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#664AAF
RGB	rgb(102, 74, 175)
HSL	hsl(257, 41%, 49%)
HSV	hsv(257, 58%, 69%)
CMYK	cmyk(41.7%, 57.7%, 0%, 31.4%)
CIE-LAB	lab(39.27, 35.90, -50.08)
CIE-LCH	lch(39.27, 61.61, 305.63°)
OKLab	oklab(49.15% 0.0593 -0.1425)
OKLCH	oklch(49.15% 0.154 292.6)
XYZ	xyz(15.6640, 10.8171, 41.8117)
Luminance	0.1082 (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

#664AAF #93AF4A

analogous

#4A61AF #664AAF #994AAF

triadic

#664AAF #AF664A #4AAF66

tetradic

#664AAF #AF4A61 #93AF4A #4AAF99

square

#664AAF #AF4A61 #93AF4A #4AAF99

split-complementary

#664AAF #AF994A #61AF4A

monochromatic

#342659 #4D3884 #664AAF #8973C4 #AD9ED6

Accessibility & contrast

On white

6.64

#664AAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#664AAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664AAF

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664AAF	#FFFFFF	#000000	##FFFFFF
##664AAF	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E5EB2

Deuteranopia (green-blind)

#195BAD

Tritanopia (blue-blind)

#526075

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #664aaf;
/* rgb */ color: rgb(102, 74, 175);
/* oklch */ color: oklch(49.2% 0.154 292.6);

Tailwind

colors: {
  custom: {
    50: '#967dc7',
    500: '#664aaf',
    950: '#000000',
  },
}

SCSS

$custom: #664aaf;
$custom-light: #967dc7;
$custom-dark: #000000;

JSON

{
  "hex": "#664aaf",
  "rgb": {
    "r": 102,
    "g": 74,
    "b": 175
  },
  "hsl": {
    "h": 256.634,
    "s": 40.562,
    "l": 48.824
  },
  "oklch": {
    "l": 0.49151,
    "c": 0.15434,
    "h": 292.6
  },
  "luminance": 0.10817
}

Semantic roles & 50–950 ramp

primary

#664AAF

secondary

#B5C292

accent

#D057AF

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #664AAF

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

Preview Lab → · Contrast checker → · Palette generator →