#644ED3#644ED3

#644ED3 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 52.3% C 0.195 H 285.0°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#644ED3
RGB	rgb(100, 78, 211)
HSL	hsl(250, 60%, 57%)
HSV	hsv(250, 63%, 83%)
CMYK	cmyk(52.6%, 63%, 0%, 17.3%)
CIE-LAB	lab(42.55, 43.69, -65.76)
CIE-LCH	lch(42.55, 78.95, 303.60°)
OKLab	oklab(52.32% 0.0505 -0.1887)
OKLCH	oklch(52.32% 0.195 285)
XYZ	xyz(19.7343, 12.8602, 63.0578)
Luminance	0.1286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644ED3 #BDD34E

analogous

#4E7BD3 #644ED3 #A74ED3

triadic

#644ED3 #D3644E #4ED364

tetradic

#644ED3 #D34E7B #BDD34E #4ED3A7

square

#644ED3 #D34E7B #BDD34E #4ED3A7

split-complementary

#644ED3 #D3A74E #7BD34E

monochromatic

#322185 #442DB6 #644ED3 #8F7FDF #BAB0EB

Accessibility & contrast

On white

5.88

#644ED3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#644ED3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ED3

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644ED3	#FFFFFF	#000000	##FFFFFF
##644ED3	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D7

Deuteranopia (green-blind)

#0060D0

Tritanopia (blue-blind)

#376E89

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #644ed3;
/* rgb */ color: rgb(100, 78, 211);
/* oklch */ color: oklch(52.3% 0.195 285.0);

Tailwind

colors: {
  custom: {
    50: '#9981e1',
    500: '#644ed3',
    950: '#000000',
  },
}

SCSS

$custom: #644ed3;
$custom-light: #9981e1;
$custom-dark: #000000;

JSON

{
  "hex": "#644ed3",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 211
  },
  "hsl": {
    "h": 249.925,
    "s": 60.181,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52322,
    "c": 0.19532,
    "h": 285
  },
  "luminance": 0.12861
}

Semantic roles & 50–950 ramp

primary

#644ED3

secondary

#D1DAA3

accent

#E344C9

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #644ED3

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

Preview Lab → · Contrast checker → · Palette generator →