#664DCF#664DCF

#664DCF is a mid, vivid violet. Relative luminance 0.126; OKLCH L 52.0% C 0.191 H 286.5°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#664DCF
RGB	rgb(102, 77, 207)
HSL	hsl(252, 58%, 56%)
HSV	hsv(252, 63%, 81%)
CMYK	cmyk(50.7%, 62.8%, 0%, 18.8%)
CIE-LAB	lab(42.21, 43.45, -64.00)
CIE-LCH	lch(42.21, 77.36, 304.17°)
OKLab	oklab(52.02% 0.0545 -0.1834)
OKLCH	oklch(52.02% 0.191 286.5)
XYZ	xyz(19.3925, 12.6366, 60.4367)
Luminance	0.1264 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664DCF #B6CF4D

analogous

#4D75CF #664DCF #A74DCF

triadic

#664DCF #CF664D #4DCF66

tetradic

#664DCF #CF4D75 #B6CF4D #4DCFA7

square

#664DCF #CF4D75 #B6CF4D #4DCFA7

split-complementary

#664DCF #CFA74D #75CF4D

monochromatic

#34227F #482FAF #664DCF #8F7DDC #B9ADE9

Accessibility & contrast

On white

5.95

#664DCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#664DCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664DCF

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664DCF	#FFFFFF	#000000	##FFFFFF
##664DCF	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D3

Deuteranopia (green-blind)

#0060CC

Tritanopia (blue-blind)

#3F6C87

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #664dcf;
/* rgb */ color: rgb(102, 77, 207);
/* oklch */ color: oklch(52.0% 0.191 286.5);

Tailwind

colors: {
  custom: {
    50: '#9a80df',
    500: '#664dcf',
    950: '#000000',
  },
}

SCSS

$custom: #664dcf;
$custom-light: #9a80df;
$custom-dark: #000000;

JSON

{
  "hex": "#664dcf",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 207
  },
  "hsl": {
    "h": 251.538,
    "s": 57.522,
    "l": 55.686
  },
  "oklch": {
    "l": 0.52022,
    "c": 0.19137,
    "h": 286.5
  },
  "luminance": 0.12638
}

Semantic roles & 50–950 ramp

primary

#664DCF

secondary

#CDD7A1

accent

#E147C3

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #664DCF

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

Preview Lab → · Contrast checker → · Palette generator →