#664BC0#664BC0

#664BC0 is a mid, vivid violet. Relative luminance 0.117; OKLCH L 50.6% C 0.175 H 289.2°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#664BC0
RGB	rgb(102, 75, 192)
HSL	hsl(254, 48%, 52%)
HSV	hsv(254, 61%, 75%)
CMYK	cmyk(46.9%, 60.9%, 0%, 24.7%)
CIE-LAB	lab(40.67, 40.20, -57.80)
CIE-LCH	lch(40.67, 70.41, 304.82°)
OKLab	oklab(50.55% 0.0576 -0.1652)
OKLCH	oklch(50.55% 0.175 289.2)
XYZ	xyz(17.5073, 11.6620, 51.1875)
Luminance	0.1166 (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

#664BC0 #A5C04B

analogous

#4B6BC0 #664BC0 #A04BC0

triadic

#664BC0 #C0664B #4BC066

tetradic

#664BC0 #C04B6B #A5C04B #4BC0A0

square

#664BC0 #C04B6B #A5C04B #4BC0A0

split-complementary

#664BC0 #C0A04B #6BC04B

monochromatic

#36256B #4C3598 #664BC0 #8D78D0 #B3A6E0

Accessibility & contrast

On white

6.30

#664BC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#664BC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664BC0

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664BC0	#FFFFFF	#000000	##FFFFFF
##664BC0	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C4

Deuteranopia (green-blind)

#005DBE

Tritanopia (blue-blind)

#49667E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #664bc0;
/* rgb */ color: rgb(102, 75, 192);
/* oklch */ color: oklch(50.6% 0.175 289.2);

Tailwind

colors: {
  custom: {
    50: '#987ed4',
    500: '#664bc0',
    950: '#000000',
  },
}

SCSS

$custom: #664bc0;
$custom-light: #987ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#664bc0",
  "rgb": {
    "r": 102,
    "g": 75,
    "b": 192
  },
  "hsl": {
    "h": 253.846,
    "s": 48.148,
    "l": 52.353
  },
  "oklch": {
    "l": 0.50554,
    "c": 0.17497,
    "h": 289.2
  },
  "luminance": 0.11663
}

Semantic roles & 50–950 ramp

primary

#664BC0

secondary

#C1CD9A

accent

#D850B8

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #664BC0

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

Preview Lab → · Contrast checker → · Palette generator →