#664DCB#664DCB

#664DCB is a mid, vivid violet. Relative luminance 0.124; OKLCH L 51.7% C 0.186 H 287.1°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#664DCB
RGB	rgb(102, 77, 203)
HSL	hsl(252, 55%, 55%)
HSV	hsv(252, 62%, 80%)
CMYK	cmyk(49.8%, 62.1%, 0%, 20.4%)
CIE-LAB	lab(41.91, 42.27, -62.18)
CIE-LCH	lch(41.91, 75.18, 304.21°)
OKLab	oklab(51.71% 0.0548 -0.1781)
OKLCH	oklch(51.71% 0.186 287.1)
XYZ	xyz(18.9097, 12.4435, 57.8938)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.19

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664DCB #B2CB4D

analogous

#4D73CB #664DCB #A54DCB

triadic

#664DCB #CB664D #4DCB66

tetradic

#664DCB #CB4D73 #B2CB4D #4DCBA5

square

#664DCB #CB4D73 #B2CB4D #4DCBA5

split-complementary

#664DCB #CBA54D #73CB4D

monochromatic

#35247A #4931A9 #664DCB #8F7CD9 #B7ACE7

Accessibility & contrast

On white

6.02

#664DCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#664DCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664DCB

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664DCB	#FFFFFF	#000000	##FFFFFF
##664DCB	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CF

Deuteranopia (green-blind)

#005FC8

Tritanopia (blue-blind)

#426B85

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #664dcb;
/* rgb */ color: rgb(102, 77, 203);
/* oklch */ color: oklch(51.7% 0.186 287.1);

Tailwind

colors: {
  custom: {
    50: '#9a80dc',
    500: '#664dcb',
    950: '#000000',
  },
}

SCSS

$custom: #664dcb;
$custom-light: #9a80dc;
$custom-dark: #000000;

JSON

{
  "hex": "#664dcb",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 203
  },
  "hsl": {
    "h": 251.905,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51711,
    "c": 0.18633,
    "h": 287.1
  },
  "luminance": 0.12444
}

Semantic roles & 50–950 ramp

primary

#664DCB

secondary

#CAD49F

accent

#DE4AC1

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #664DCB

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

Preview Lab → · Contrast checker → · Palette generator →