#664BC1#664BC1

#664BC1 is a mid, vivid violet. Relative luminance 0.117; OKLCH L 50.6% C 0.176 H 289.1°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#664BC1
RGB	rgb(102, 75, 193)
HSL	hsl(254, 49%, 53%)
HSV	hsv(254, 61%, 76%)
CMYK	cmyk(47.2%, 61.1%, 0%, 24.3%)
CIE-LAB	lab(40.75, 40.49, -58.27)
CIE-LCH	lch(40.75, 70.96, 304.80°)
OKLab	oklab(50.63% 0.0576 -0.1666)
OKLCH	oklch(50.63% 0.176 289.1)
XYZ	xyz(17.6185, 11.7065, 51.7730)
Luminance	0.1171 (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

#664BC1 #A6C14B

analogous

#4B6BC1 #664BC1 #A14BC1

triadic

#664BC1 #C1664B #4BC166

tetradic

#664BC1 #C14B6B #A6C14B #4BC1A1

square

#664BC1 #C14B6B #A6C14B #4BC1A1

split-complementary

#664BC1 #C1A14B #6BC14B

monochromatic

#36256C #4C359A #664BC1 #8D79D1 #B3A6E0

Accessibility & contrast

On white

6.28

#664BC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#664BC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664BC1

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664BC1	#FFFFFF	#000000	##FFFFFF
##664BC1	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C5

Deuteranopia (green-blind)

#005DBF

Tritanopia (blue-blind)

#49667F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #664bc1;
/* rgb */ color: rgb(102, 75, 193);
/* oklch */ color: oklch(50.6% 0.176 289.1);

Tailwind

colors: {
  custom: {
    50: '#987ed5',
    500: '#664bc1',
    950: '#000000',
  },
}

SCSS

$custom: #664bc1;
$custom-light: #987ed5;
$custom-dark: #000000;

JSON

{
  "hex": "#664bc1",
  "rgb": {
    "r": 102,
    "g": 75,
    "b": 193
  },
  "hsl": {
    "h": 253.729,
    "s": 48.76,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5063,
    "c": 0.17626,
    "h": 289.1
  },
  "luminance": 0.11707
}

Semantic roles & 50–950 ramp

primary

#664BC1

secondary

#C2CE9A

accent

#D84FB9

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #664BC1

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

Preview Lab → · Contrast checker → · Palette generator →