#644FA9#644FA9

#644FA9 is a mid, vivid violet. Relative luminance 0.112; OKLCH L 49.4% C 0.139 H 291.2°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#644FA9
RGB	rgb(100, 79, 169)
HSL	hsl(254, 36%, 49%)
HSV	hsv(254, 53%, 66%)
CMYK	cmyk(40.8%, 53.3%, 0%, 33.7%)
CIE-LAB	lab(39.86, 30.70, -45.59)
CIE-LCH	lch(39.86, 54.96, 303.96°)
OKLab	oklab(49.41% 0.0502 -0.1294)
OKLCH	oklch(49.41% 0.139 291.2)
XYZ	xyz(15.2110, 11.1654, 38.8821)
Luminance	0.1117 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FA9 #94A94F

analogous

#4F67A9 #644FA9 #914FA9

triadic

#644FA9 #A9644F #4FA964

tetradic

#644FA9 #A94F67 #94A94F #4FA991

square

#644FA9 #A94F67 #94A94F #4FA991

split-complementary

#644FA9 #A9914F #67A94F

monochromatic

#332856 #4B3C7F #644FA9 #8776BF #ACA0D3

Accessibility & contrast

On white

6.50

#644FA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#644FA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FA9

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FA9	#FFFFFF	#000000	##FFFFFF
##644FA9	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)

#275FAC

Deuteranopia (green-blind)

#2B5CA7

Tritanopia (blue-blind)

#516274

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644fa9;
/* rgb */ color: rgb(100, 79, 169);
/* oklch */ color: oklch(49.4% 0.139 291.2);

Tailwind

colors: {
  custom: {
    50: '#9481c3',
    500: '#644fa9',
    950: '#000000',
  },
}

SCSS

$custom: #644fa9;
$custom-light: #9481c3;
$custom-dark: #000000;

JSON

{
  "hex": "#644fa9",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 169
  },
  "hsl": {
    "h": 254,
    "s": 36.29,
    "l": 48.627
  },
  "oklch": {
    "l": 0.49414,
    "c": 0.13876,
    "h": 291.2
  },
  "luminance": 0.11166
}

Semantic roles & 50–950 ramp

primary

#644FA9

secondary

#B5C094

accent

#CC5CB2

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644FA9

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

Preview Lab → · Contrast checker → · Palette generator →