#644ECF#644ECF

#644ECF is a mid, vivid violet. Relative luminance 0.127; OKLCH L 52.0% C 0.190 H 285.5°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#644ECF
RGB	rgb(100, 78, 207)
HSL	hsl(250, 57%, 56%)
HSV	hsv(250, 62%, 81%)
CMYK	cmyk(51.7%, 62.3%, 0%, 18.8%)
CIE-LAB	lab(42.25, 42.50, -63.95)
CIE-LCH	lch(42.25, 76.78, 303.61°)
OKLab	oklab(52.01% 0.0508 -0.1834)
OKLCH	oklch(52.01% 0.19 285.5)
XYZ	xyz(19.2390, 12.6621, 60.4497)
Luminance	0.1266 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644ECF #B9CF4E

analogous

#4E78CF #644ECF #A54ECF

triadic

#644ECF #CF644E #4ECF64

tetradic

#644ECF #CF4E78 #B9CF4E #4ECFA5

square

#644ECF #CF4E78 #B9CF4E #4ECFA5

split-complementary

#644ECF #CFA54E #78CF4E

monochromatic

#332380 #4630B0 #644ECF #8E7EDC #B8AEE9

Accessibility & contrast

On white

5.94

#644ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#644ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ECF

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644ECF	#FFFFFF	#000000	##FFFFFF
##644ECF	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D3

Deuteranopia (green-blind)

#0060CC

Tritanopia (blue-blind)

#3A6D87

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #644ecf;
/* rgb */ color: rgb(100, 78, 207);
/* oklch */ color: oklch(52.0% 0.190 285.5);

Tailwind

colors: {
  custom: {
    50: '#9981df',
    500: '#644ecf',
    950: '#000000',
  },
}

SCSS

$custom: #644ecf;
$custom-light: #9981df;
$custom-dark: #000000;

JSON

{
  "hex": "#644ecf",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 207
  },
  "hsl": {
    "h": 250.233,
    "s": 57.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.52007,
    "c": 0.19027,
    "h": 285.5
  },
  "luminance": 0.12663
}

Semantic roles & 50–950 ramp

primary

#644ECF

secondary

#CED7A2

accent

#E147C6

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #644ECF

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

Preview Lab → · Contrast checker → · Palette generator →