#644ED5#644ED5

#644ED5 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.5% C 0.198 H 284.7°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#644ED5
RGB	rgb(100, 78, 213)
HSL	hsl(250, 62%, 57%)
HSV	hsv(250, 63%, 84%)
CMYK	cmyk(53.1%, 63.4%, 0%, 16.5%)
CIE-LAB	lab(42.70, 44.29, -66.66)
CIE-LCH	lch(42.70, 80.03, 303.60°)
OKLab	oklab(52.48% 0.0503 -0.1913)
OKLCH	oklch(52.48% 0.198 284.7)
XYZ	xyz(19.9865, 12.9611, 64.3865)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644ED5 #BFD54E

analogous

#4E7BD5 #644ED5 #A84ED5

triadic

#644ED5 #D5644E #4ED564

tetradic

#644ED5 #D54E7B #BFD54E #4ED5A8

square

#644ED5 #D54E7B #BFD54E #4ED5A8

split-complementary

#644ED5 #D5A84E #7BD54E

monochromatic

#312088 #432CBA #644ED5 #8F7FE1 #BBB1EC

Accessibility & contrast

On white

5.85

#644ED5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#644ED5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ED5

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644ED5	#FFFFFF	#000000	##FFFFFF
##644ED5	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D9

Deuteranopia (green-blind)

#0061D2

Tritanopia (blue-blind)

#356F8A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #644ed5;
/* rgb */ color: rgb(100, 78, 213);
/* oklch */ color: oklch(52.5% 0.198 284.7);

Tailwind

colors: {
  custom: {
    50: '#9a81e3',
    500: '#644ed5',
    950: '#000000',
  },
}

SCSS

$custom: #644ed5;
$custom-light: #9a81e3;
$custom-dark: #000000;

JSON

{
  "hex": "#644ed5",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 213
  },
  "hsl": {
    "h": 249.778,
    "s": 61.644,
    "l": 57.059
  },
  "oklch": {
    "l": 0.52481,
    "c": 0.19782,
    "h": 284.7
  },
  "luminance": 0.12962
}

Semantic roles & 50–950 ramp

primary

#644ED5

secondary

#D2DBA4

accent

#E543CA

background

#FAF7FE

surface

#F3EEFC

border

#CDC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644ED5

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

Preview Lab → · Contrast checker → · Palette generator →