#644DB9#644DB9

#644DB9 is a mid, vivid violet. Relative luminance 0.115; OKLCH L 50.2% C 0.163 H 288.9°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#644DB9
RGB	rgb(100, 77, 185)
HSL	hsl(253, 44%, 51%)
HSV	hsv(253, 58%, 73%)
CMYK	cmyk(45.9%, 58.4%, 0%, 27.5%)
CIE-LAB	lab(40.44, 36.56, -54.09)
CIE-LCH	lch(40.44, 65.29, 304.06°)
OKLab	oklab(50.18% 0.053 -0.1544)
OKLCH	oklch(50.18% 0.163 288.9)
XYZ	xyz(16.6639, 11.5192, 47.2350)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.41

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DB9 #A2B94D

analogous

#4D6CB9 #644DB9 #9A4DB9

triadic

#644DB9 #B9644D #4DB964

tetradic

#644DB9 #B94D6C #A2B94D #4DB99A

square

#644DB9 #B94D6C #A2B94D #4DB99A

split-complementary

#644DB9 #B99A4D #6CB94D

monochromatic

#342764 #4B3990 #644DB9 #8A79CA #B1A5DC

Accessibility & contrast

On white

6.36

#644DB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#644DB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DB9

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DB9	#FFFFFF	#000000	##FFFFFF
##644DB9	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BD

Deuteranopia (green-blind)

#005DB7

Tritanopia (blue-blind)

#4A657B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #644db9;
/* rgb */ color: rgb(100, 77, 185);
/* oklch */ color: oklch(50.2% 0.163 288.9);

Tailwind

colors: {
  custom: {
    50: '#967fcf',
    500: '#644db9',
    950: '#000000',
  },
}

SCSS

$custom: #644db9;
$custom-light: #967fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#644db9",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 185
  },
  "hsl": {
    "h": 252.778,
    "s": 43.548,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50183,
    "c": 0.1632,
    "h": 288.9
  },
  "luminance": 0.1152
}

Semantic roles & 50–950 ramp

primary

#644DB9

secondary

#BFC999

accent

#D355B8

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644DB9

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

Preview Lab → · Contrast checker → · Palette generator →