#644ED4#644ED4

#644ED4 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 52.4% C 0.197 H 284.9°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#644ED4
RGB	rgb(100, 78, 212)
HSL	hsl(250, 61%, 57%)
HSV	hsv(250, 63%, 83%)
CMYK	cmyk(52.8%, 63.2%, 0%, 16.9%)
CIE-LAB	lab(42.63, 43.99, -66.21)
CIE-LCH	lch(42.63, 79.49, 303.60°)
OKLab	oklab(52.4% 0.0504 -0.19)
OKLCH	oklch(52.4% 0.197 284.9)
XYZ	xyz(19.8600, 12.9105, 63.7201)
Luminance	0.1291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644ED4 #BED44E

analogous

#4E7BD4 #644ED4 #A74ED4

triadic

#644ED4 #D4644E #4ED464

tetradic

#644ED4 #D44E7B #BED44E #4ED4A7

square

#644ED4 #D44E7B #BED44E #4ED4A7

split-complementary

#644ED4 #D4A74E #7BD44E

monochromatic

#322187 #442DB8 #644ED4 #8F7FE0 #BAB0EC

Accessibility & contrast

On white

5.86

#644ED4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#644ED4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ED4

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644ED4	#FFFFFF	#000000	##FFFFFF
##644ED4	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D8

Deuteranopia (green-blind)

#0060D1

Tritanopia (blue-blind)

#366F8A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #644ed4;
/* rgb */ color: rgb(100, 78, 212);
/* oklch */ color: oklch(52.4% 0.197 284.9);

Tailwind

colors: {
  custom: {
    50: '#9a81e2',
    500: '#644ed4',
    950: '#000000',
  },
}

SCSS

$custom: #644ed4;
$custom-light: #9a81e2;
$custom-dark: #000000;

JSON

{
  "hex": "#644ed4",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 212
  },
  "hsl": {
    "h": 249.851,
    "s": 60.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52401,
    "c": 0.19657,
    "h": 284.9
  },
  "luminance": 0.12912
}

Semantic roles & 50–950 ramp

primary

#644ED4

secondary

#D1DAA4

accent

#E444CA

background

#FAF7FE

surface

#F3EEFC

border

#CDC9D5

text

#0F0A15

muted

#7F7C84

Preview Lab

Preview with #644ED4

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

Preview Lab → · Contrast checker → · Palette generator →