#644DB2#644DB2

#644DB2 is a mid, vivid violet. Relative luminance 0.112; OKLCH L 49.7% C 0.154 H 290.1°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#644DB2
RGB	rgb(100, 77, 178)
HSL	hsl(254, 40%, 50%)
HSV	hsv(254, 57%, 70%)
CMYK	cmyk(43.8%, 56.7%, 0%, 30.2%)
CIE-LAB	lab(39.97, 34.51, -50.74)
CIE-LCH	lch(39.97, 61.36, 304.22°)
OKLab	oklab(49.68% 0.053 -0.1445)
OKLCH	oklch(49.68% 0.154 290.1)
XYZ	xyz(15.9430, 11.2309, 43.4386)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DB2 #9BB24D

analogous

#4D69B2 #644DB2 #964DB2

triadic

#644DB2 #B2644D #4DB264

tetradic

#644DB2 #B24D69 #9BB24D #4DB296

square

#644DB2 #B24D69 #9BB24D #4DB296

split-complementary

#644DB2 #B2964D #69B24D

monochromatic

#34285D #4C3B87 #644DB2 #8978C4 #AEA2D7

Accessibility & contrast

On white

6.47

#644DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#644DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DB2

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DB2	#FFFFFF	#000000	##FFFFFF
##644DB2	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1360B5

Deuteranopia (green-blind)

#185CB0

Tritanopia (blue-blind)

#4D6378

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644db2;
/* rgb */ color: rgb(100, 77, 178);
/* oklch */ color: oklch(49.7% 0.154 290.1);

Tailwind

colors: {
  custom: {
    50: '#957fca',
    500: '#644db2',
    950: '#000000',
  },
}

SCSS

$custom: #644db2;
$custom-light: #957fca;
$custom-dark: #000000;

JSON

{
  "hex": "#644db2",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 178
  },
  "hsl": {
    "h": 253.663,
    "s": 39.608,
    "l": 50
  },
  "oklch": {
    "l": 0.49681,
    "c": 0.15391,
    "h": 290.1
  },
  "luminance": 0.11231
}

Semantic roles & 50–950 ramp

primary

#644DB2

secondary

#BAC497

accent

#CF58B4

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644DB2

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

Preview Lab → · Contrast checker → · Palette generator →