#644ED6#644ED6

#644ED6 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.6% C 0.199 H 284.6°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#644ED6
RGB	rgb(100, 78, 214)
HSL	hsl(250, 62%, 57%)
HSV	hsv(250, 64%, 84%)
CMYK	cmyk(53.3%, 63.6%, 0%, 16.1%)
CIE-LAB	lab(42.78, 44.59, -67.10)
CIE-LCH	lch(42.78, 80.57, 303.60°)
OKLab	oklab(52.56% 0.0503 -0.1926)
OKLCH	oklch(52.56% 0.199 284.6)
XYZ	xyz(20.1139, 13.0120, 65.0570)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644ED6 #C0D64E

analogous

#4E7CD6 #644ED6 #A84ED6

triadic

#644ED6 #D6644E #4ED664

tetradic

#644ED6 #D64E7C #C0D64E #4ED6A8

square

#644ED6 #D64E7C #C0D64E #4ED6A8

split-complementary

#644ED6 #D6A84E #7CD64E

monochromatic

#31208A #432BBB #644ED6 #9080E2 #BBB1ED

Accessibility & contrast

On white

5.83

#644ED6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#644ED6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ED6

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644ED6	#FFFFFF	#000000	##FFFFFF
##644ED6	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DA

Deuteranopia (green-blind)

#0061D3

Tritanopia (blue-blind)

#346F8B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #644ed6;
/* rgb */ color: rgb(100, 78, 214);
/* oklch */ color: oklch(52.6% 0.199 284.6);

Tailwind

colors: {
  custom: {
    50: '#9a81e4',
    500: '#644ed6',
    950: '#000000',
  },
}

SCSS

$custom: #644ed6;
$custom-light: #9a81e4;
$custom-dark: #000000;

JSON

{
  "hex": "#644ed6",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 214
  },
  "hsl": {
    "h": 249.706,
    "s": 62.385,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52561,
    "c": 0.19908,
    "h": 284.6
  },
  "luminance": 0.13013
}

Semantic roles & 50–950 ramp

primary

#644ED6

secondary

#D3DBA4

accent

#E542CB

background

#FAF7FE

surface

#F3EEFC

border

#CDC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644ED6

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

Preview Lab → · Contrast checker → · Palette generator →