#664ABB#664ABB

#664ABB is a mid, vivid violet. Relative luminance 0.113; OKLCH L 50.0% C 0.170 H 290.3°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#664ABB
RGB	rgb(102, 74, 187)
HSL	hsl(255, 45%, 51%)
HSV	hsv(255, 60%, 73%)
CMYK	cmyk(45.5%, 60.4%, 0%, 26.7%)
CIE-LAB	lab(40.10, 39.34, -55.81)
CIE-LCH	lch(40.10, 68.28, 305.18°)
OKLab	oklab(50.02% 0.059 -0.1594)
OKLCH	oklch(50.02% 0.17 290.3)
XYZ	xyz(16.8954, 11.3096, 48.2968)
Luminance	0.1131 (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

#664ABB #9FBB4A

analogous

#4A66BB #664ABB #9E4ABB

triadic

#664ABB #BB664A #4ABB66

tetradic

#664ABB #BB4A66 #9FBB4A #4ABB9E

square

#664ABB #BB4A66 #9FBB4A #4ABB9E

split-complementary

#664ABB #BB9E4A #66BB4A

monochromatic

#352665 #4D3791 #664ABB #8C76CC #B1A3DC

Accessibility & contrast

On white

6.44

#664ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#664ABB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664ABB

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664ABB	#FFFFFF	#000000	##FFFFFF
##664ABB	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#005CB9

Tritanopia (blue-blind)

#4C647B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #664abb;
/* rgb */ color: rgb(102, 74, 187);
/* oklch */ color: oklch(50.0% 0.170 290.3);

Tailwind

colors: {
  custom: {
    50: '#987ed0',
    500: '#664abb',
    950: '#000000',
  },
}

SCSS

$custom: #664abb;
$custom-light: #987ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#664abb",
  "rgb": {
    "r": 102,
    "g": 74,
    "b": 187
  },
  "hsl": {
    "h": 254.867,
    "s": 45.382,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5002,
    "c": 0.16992,
    "h": 290.3
  },
  "luminance": 0.1131
}

Semantic roles & 50–950 ramp

primary

#664ABB

secondary

#BDC997

accent

#D553B5

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #664ABB

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

Preview Lab → · Contrast checker → · Palette generator →