#644DB8#644DB8

#644DB8 is a mid, vivid violet. Relative luminance 0.115; OKLCH L 50.1% C 0.162 H 289.1°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#644DB8
RGB	rgb(100, 77, 184)
HSL	hsl(253, 43%, 51%)
HSV	hsv(253, 58%, 72%)
CMYK	cmyk(45.7%, 58.2%, 0%, 27.8%)
CIE-LAB	lab(40.37, 36.27, -53.61)
CIE-LCH	lch(40.37, 64.73, 304.08°)
OKLab	oklab(50.11% 0.053 -0.153)
OKLCH	oklch(50.11% 0.162 289.1)
XYZ	xyz(16.5587, 11.4771, 46.6809)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.48

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DB8 #A1B84D

analogous

#4D6BB8 #644DB8 #994DB8

triadic

#644DB8 #B8644D #4DB864

tetradic

#644DB8 #B84D6B #A1B84D #4DB899

square

#644DB8 #B84D6B #A1B84D #4DB899

split-complementary

#644DB8 #B8994D #6BB84D

monochromatic

#342863 #4B398F #644DB8 #8A79C9 #B0A4DB

Accessibility & contrast

On white

6.37

#644DB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#644DB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DB8

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DB8	#FFFFFF	#000000	##FFFFFF
##644DB8	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BC

Deuteranopia (green-blind)

#055DB6

Tritanopia (blue-blind)

#4A657B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #644db8;
/* rgb */ color: rgb(100, 77, 184);
/* oklch */ color: oklch(50.1% 0.162 289.1);

Tailwind

colors: {
  custom: {
    50: '#967fce',
    500: '#644db8',
    950: '#000000',
  },
}

SCSS

$custom: #644db8;
$custom-light: #967fce;
$custom-dark: #000000;

JSON

{
  "hex": "#644db8",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 184
  },
  "hsl": {
    "h": 252.897,
    "s": 42.972,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5011,
    "c": 0.16188,
    "h": 289.1
  },
  "luminance": 0.11478
}

Semantic roles & 50–950 ramp

primary

#644DB8

secondary

#BEC899

accent

#D355B8

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644DB8

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

Preview Lab → · Contrast checker → · Palette generator →