#644EA9#644EA9

#644EA9 is a mid, vivid violet. Relative luminance 0.110; OKLCH L 49.2% C 0.140 H 291.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#644EA9
RGB	rgb(100, 78, 169)
HSL	hsl(255, 37%, 48%)
HSV	hsv(255, 54%, 66%)
CMYK	cmyk(40.8%, 53.8%, 0%, 33.7%)
CIE-LAB	lab(39.62, 31.30, -45.97)
CIE-LCH	lch(39.62, 55.62, 304.25°)
OKLab	oklab(49.24% 0.0515 -0.1305)
OKLCH	oklch(49.24% 0.14 291.5)
XYZ	xyz(15.1394, 11.0222, 38.8583)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EA9 #93A94E

analogous

#4E66A9 #644EA9 #914EA9

triadic

#644EA9 #A9644E #4EA964

tetradic

#644EA9 #A94E66 #93A94E #4EA991

square

#644EA9 #A94E66 #93A94E #4EA991

split-complementary

#644EA9 #A9914E #66A94E

monochromatic

#322755 #4B3B7F #644EA9 #8775BF #AB9FD3

Accessibility & contrast

On white

6.55

#644EA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#644EA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EA9

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EA9	#FFFFFF	#000000	##FFFFFF
##644EA9	1.00	6.55	3.20	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255FAC

Deuteranopia (green-blind)

#295BA7

Tritanopia (blue-blind)

#516174

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644ea9;
/* rgb */ color: rgb(100, 78, 169);
/* oklch */ color: oklch(49.2% 0.140 291.5);

Tailwind

colors: {
  custom: {
    50: '#9480c3',
    500: '#644ea9',
    950: '#000000',
  },
}

SCSS

$custom: #644ea9;
$custom-light: #9480c3;
$custom-dark: #000000;

JSON

{
  "hex": "#644ea9",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 169
  },
  "hsl": {
    "h": 254.505,
    "s": 36.842,
    "l": 48.431
  },
  "oklch": {
    "l": 0.49236,
    "c": 0.14028,
    "h": 291.5
  },
  "luminance": 0.11023
}

Semantic roles & 50–950 ramp

primary

#644EA9

secondary

#B5BF93

accent

#CD5BB1

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A12

muted

#7E7C81

Preview Lab

Preview with #644EA9

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

Preview Lab → · Contrast checker → · Palette generator →