#644EBA#644EBA

#644EBA is a mid, vivid violet. Relative luminance 0.117; OKLCH L 50.4% C 0.163 H 288.5°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#644EBA
RGB	rgb(100, 78, 186)
HSL	hsl(252, 44%, 52%)
HSV	hsv(252, 58%, 73%)
CMYK	cmyk(46.2%, 58.1%, 0%, 27.1%)
CIE-LAB	lab(40.74, 36.26, -54.19)
CIE-LCH	lch(40.74, 65.21, 303.79°)
OKLab	oklab(50.42% 0.0518 -0.1547)
OKLCH	oklch(50.42% 0.163 288.5)
XYZ	xyz(16.8403, 11.7026, 47.8164)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.58

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EBA #A4BA4E

analogous

#4E6EBA #644EBA #9A4EBA

triadic

#644EBA #BA644E #4EBA64

tetradic

#644EBA #BA4E6E #A4BA4E #4EBA9A

square

#644EBA #BA4E6E #A4BA4E #4EBA9A

split-complementary

#644EBA #BA9A4E #6EBA4E

monochromatic

#342866 #4B3992 #644EBA #8B7ACB #B1A6DC

Accessibility & contrast

On white

6.29

#644EBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#644EBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EBA

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EBA	#FFFFFF	#000000	##FFFFFF
##644EBA	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BE

Deuteranopia (green-blind)

#015DB8

Tritanopia (blue-blind)

#49667C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644eba;
/* rgb */ color: rgb(100, 78, 186);
/* oklch */ color: oklch(50.4% 0.163 288.5);

Tailwind

colors: {
  custom: {
    50: '#9680cf',
    500: '#644eba',
    950: '#000000',
  },
}

SCSS

$custom: #644eba;
$custom-light: #9680cf;
$custom-dark: #000000;

JSON

{
  "hex": "#644eba",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 186
  },
  "hsl": {
    "h": 252.222,
    "s": 43.902,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50424,
    "c": 0.16311,
    "h": 288.5
  },
  "luminance": 0.11703
}

Semantic roles & 50–950 ramp

primary

#644EBA

secondary

#C0CA9A

accent

#D454BA

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644EBA

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

Preview Lab → · Contrast checker → · Palette generator →