#664CDD#664CDD

#664CDD is a mid, highly saturated violet. Relative luminance 0.132; OKLCH L 53.0% C 0.210 H 284.9°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#664CDD
RGB	rgb(102, 76, 221)
HSL	hsl(251, 68%, 58%)
HSV	hsv(251, 66%, 87%)
CMYK	cmyk(53.8%, 65.6%, 0%, 13.3%)
CIE-LAB	lab(43.08, 48.14, -70.61)
CIE-LCH	lch(43.08, 85.46, 304.28°)
OKLab	oklab(52.99% 0.054 -0.2029)
OKLCH	oklch(52.99% 0.21 284.9)
XYZ	xyz(21.1111, 13.2129, 69.8305)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664CDD #C3DD4C

analogous

#4C7ADD #664CDD #AF4CDD

triadic

#664CDD #DD664C #4CDD66

tetradic

#664CDD #DD4C7A #C3DD4C #4CDDAF

square

#664CDD #DD4C7A #C3DD4C #4CDDAF

split-complementary

#664CDD #DDAF4C #7ADD4C

monochromatic

#311C93 #4226C6 #664CDD #927FE7 #BEB3F1

Accessibility & contrast

On white

5.76

#664CDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#664CDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664CDD

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664CDD	#FFFFFF	#000000	##FFFFFF
##664CDD	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE1

Deuteranopia (green-blind)

#0061DA

Tritanopia (blue-blind)

#32718E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #664cdd;
/* rgb */ color: rgb(102, 76, 221);
/* oklch */ color: oklch(53.0% 0.210 284.9);

Tailwind

colors: {
  custom: {
    50: '#9c80e9',
    500: '#664cdd',
    950: '#000000',
  },
}

SCSS

$custom: #664cdd;
$custom-light: #9c80e9;
$custom-dark: #000000;

JSON

{
  "hex": "#664cdd",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 221
  },
  "hsl": {
    "h": 250.759,
    "s": 68.075,
    "l": 58.235
  },
  "oklch": {
    "l": 0.52992,
    "c": 0.20993,
    "h": 284.9
  },
  "luminance": 0.13214
}

Semantic roles & 50–950 ramp

primary

#664CDD

secondary

#D5DFA6

accent

#EB3DCC

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #664CDD

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

Preview Lab → · Contrast checker → · Palette generator →