#644EB8#644EB8

#644EB8 is a mid, vivid violet. Relative luminance 0.116; OKLCH L 50.3% C 0.160 H 288.8°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#644EB8
RGB	rgb(100, 78, 184)
HSL	hsl(252, 43%, 51%)
HSV	hsv(252, 58%, 72%)
CMYK	cmyk(45.7%, 57.6%, 0%, 27.8%)
CIE-LAB	lab(40.60, 35.67, -53.24)
CIE-LCH	lch(40.60, 64.09, 303.82°)
OKLab	oklab(50.28% 0.0518 -0.1519)
OKLCH	oklch(50.28% 0.16 288.8)
XYZ	xyz(16.6292, 11.6182, 46.7044)
Luminance	0.1162 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EB8 #A2B84E

analogous

#4E6DB8 #644EB8 #994EB8

triadic

#644EB8 #B8644E #4EB864

tetradic

#644EB8 #B84E6D #A2B84E #4EB899

square

#644EB8 #B84E6D #A2B84E #4EB899

split-complementary

#644EB8 #B8994E #6DB84E

monochromatic

#342864 #4B398F #644EB8 #8A7ACA #B1A5DB

Accessibility & contrast

On white

6.32

#644EB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#644EB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EB8

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EB8	#FFFFFF	#000000	##FFFFFF
##644EB8	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0562BC

Deuteranopia (green-blind)

#0A5DB6

Tritanopia (blue-blind)

#4A667B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644eb8;
/* rgb */ color: rgb(100, 78, 184);
/* oklch */ color: oklch(50.3% 0.160 288.8);

Tailwind

colors: {
  custom: {
    50: '#9680ce',
    500: '#644eb8',
    950: '#000000',
  },
}

SCSS

$custom: #644eb8;
$custom-light: #9680ce;
$custom-dark: #000000;

JSON

{
  "hex": "#644eb8",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 184
  },
  "hsl": {
    "h": 252.453,
    "s": 42.742,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5028,
    "c": 0.16047,
    "h": 288.8
  },
  "luminance": 0.11619
}

Semantic roles & 50–950 ramp

primary

#644EB8

secondary

#BFC89A

accent

#D355B9

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644EB8

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

Preview Lab → · Contrast checker → · Palette generator →