#644DB0#644DB0

#644DB0 is a mid, vivid violet. Relative luminance 0.112; OKLCH L 49.5% C 0.151 H 290.5°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#644DB0
RGB	rgb(100, 77, 176)
HSL	hsl(254, 39%, 50%)
HSV	hsv(254, 56%, 69%)
CMYK	cmyk(43.2%, 56.2%, 0%, 31%)
CIE-LAB	lab(39.83, 33.93, -49.77)
CIE-LCH	lch(39.83, 60.24, 304.28°)
OKLab	oklab(49.54% 0.053 -0.1417)
OKLCH	oklch(49.54% 0.151 290.5)
XYZ	xyz(15.7437, 11.1512, 42.3888)
Luminance	0.1115 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DB0 #99B04D

analogous

#4D68B0 #644DB0 #954DB0

triadic

#644DB0 #B0644D #4DB064

tetradic

#644DB0 #B04D68 #99B04D #4DB095

square

#644DB0 #B04D68 #99B04D #4DB095

split-complementary

#644DB0 #B0954D #68B04D

monochromatic

#34285B #4C3A85 #644DB0 #8977C3 #AEA1D6

Accessibility & contrast

On white

6.50

#644DB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#644DB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DB0

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DB0	#FFFFFF	#000000	##FFFFFF
##644DB0	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1760B3

Deuteranopia (green-blind)

#1C5CAE

Tritanopia (blue-blind)

#4E6277

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644db0;
/* rgb */ color: rgb(100, 77, 176);
/* oklch */ color: oklch(49.5% 0.151 290.5);

Tailwind

colors: {
  custom: {
    50: '#957fc8',
    500: '#644db0',
    950: '#000000',
  },
}

SCSS

$custom: #644db0;
$custom-light: #957fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#644db0",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 176
  },
  "hsl": {
    "h": 253.939,
    "s": 39.13,
    "l": 49.608
  },
  "oklch": {
    "l": 0.49541,
    "c": 0.15124,
    "h": 290.5
  },
  "luminance": 0.11152
}

Semantic roles & 50–950 ramp

primary

#644DB0

secondary

#B9C396

accent

#CF59B4

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644DB0

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

Preview Lab → · Contrast checker → · Palette generator →