#644EAA#644EAA

#644EAA is a mid, vivid violet. Relative luminance 0.111; OKLCH L 49.3% C 0.142 H 291.3°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#644EAA
RGB	rgb(100, 78, 170)
HSL	hsl(254, 37%, 49%)
HSV	hsv(254, 54%, 67%)
CMYK	cmyk(41.2%, 54.1%, 0%, 33.3%)
CIE-LAB	lab(39.68, 31.59, -46.46)
CIE-LCH	lch(39.68, 56.19, 304.21°)
OKLab	oklab(49.3% 0.0515 -0.1319)
OKLCH	oklch(49.3% 0.142 291.3)
XYZ	xyz(15.2336, 11.0599, 39.3546)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EAA #94AA4E

analogous

#4E66AA #644EAA #924EAA

triadic

#644EAA #AA644E #4EAA64

tetradic

#644EAA #AA4E66 #94AA4E #4EAA92

square

#644EAA #AA4E66 #94AA4E #4EAA92

split-complementary

#644EAA #AA924E #66AA4E

monochromatic

#332856 #4B3B80 #644EAA #8775C0 #AC9FD3

Accessibility & contrast

On white

6.54

#644EAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#644EAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EAA

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EAA	#FFFFFF	#000000	##FFFFFF
##644EAA	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245FAD

Deuteranopia (green-blind)

#275CA8

Tritanopia (blue-blind)

#516174

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644eaa;
/* rgb */ color: rgb(100, 78, 170);
/* oklch */ color: oklch(49.3% 0.142 291.3);

Tailwind

colors: {
  custom: {
    50: '#9480c4',
    500: '#644eaa',
    950: '#000000',
  },
}

SCSS

$custom: #644eaa;
$custom-light: #9480c4;
$custom-dark: #000000;

JSON

{
  "hex": "#644eaa",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 170
  },
  "hsl": {
    "h": 254.348,
    "s": 37.097,
    "l": 48.627
  },
  "oklch": {
    "l": 0.49303,
    "c": 0.14165,
    "h": 291.3
  },
  "luminance": 0.1106
}

Semantic roles & 50–950 ramp

primary

#644EAA

secondary

#B5C094

accent

#CD5BB2

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644EAA

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

Preview Lab → · Contrast checker → · Palette generator →