#644ED7#644ED7

#644ED7 is a mid, highly saturated blue. Relative luminance 0.131; OKLCH L 52.6% C 0.200 H 284.5°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#644ED7
RGB	rgb(100, 78, 215)
HSL	hsl(250, 63%, 57%)
HSV	hsv(250, 64%, 84%)
CMYK	cmyk(53.5%, 63.7%, 0%, 15.7%)
CIE-LAB	lab(42.86, 44.89, -67.55)
CIE-LCH	lch(42.86, 81.11, 303.60°)
OKLab	oklab(52.64% 0.0502 -0.1939)
OKLCH	oklch(52.64% 0.2 284.5)
XYZ	xyz(20.2420, 13.0633, 65.7317)
Luminance	0.1306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644ED7 #C1D74E

analogous

#4E7DD7 #644ED7 #A94ED7

triadic

#644ED7 #D7644E #4ED764

tetradic

#644ED7 #D74E7D #C1D74E #4ED7A9

square

#644ED7 #D74E7D #C1D74E #4ED7A9

split-complementary

#644ED7 #D7A94E #7DD74E

monochromatic

#311F8B #422BBD #644ED7 #9080E2 #BBB2EE

Accessibility & contrast

On white

5.81

#644ED7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#644ED7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ED7

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644ED7	#FFFFFF	#000000	##FFFFFF
##644ED7	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DB

Deuteranopia (green-blind)

#0061D4

Tritanopia (blue-blind)

#33708B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #644ed7;
/* rgb */ color: rgb(100, 78, 215);
/* oklch */ color: oklch(52.6% 0.200 284.5);

Tailwind

colors: {
  custom: {
    50: '#9a81e4',
    500: '#644ed7',
    950: '#000000',
  },
}

SCSS

$custom: #644ed7;
$custom-light: #9a81e4;
$custom-dark: #000000;

JSON

{
  "hex": "#644ed7",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 215
  },
  "hsl": {
    "h": 249.635,
    "s": 63.134,
    "l": 57.451
  },
  "oklch": {
    "l": 0.52641,
    "c": 0.20033,
    "h": 284.5
  },
  "luminance": 0.13064
}

Semantic roles & 50–950 ramp

primary

#644ED7

secondary

#D3DCA5

accent

#E642CC

background

#FAF7FE

surface

#F3EEFC

border

#CDC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644ED7

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

Preview Lab → · Contrast checker → · Palette generator →