#644DA5#644DA5

#644DA5 is a mid, vivid violet. Relative luminance 0.107; OKLCH L 48.8% C 0.136 H 292.7°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#644DA5
RGB	rgb(100, 77, 165)
HSL	hsl(256, 36%, 47%)
HSV	hsv(256, 53%, 65%)
CMYK	cmyk(39.4%, 53.3%, 0%, 35.3%)
CIE-LAB	lab(39.13, 30.76, -44.38)
CIE-LCH	lch(39.13, 54.00, 304.73°)
OKLab	oklab(48.79% 0.0526 -0.1258)
OKLCH	oklch(48.79% 0.136 292.7)
XYZ	xyz(14.6991, 10.7333, 36.8873)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DA5 #8EA54D

analogous

#4D62A5 #644DA5 #904DA5

triadic

#644DA5 #A5644D #4DA564

tetradic

#644DA5 #A54D62 #8EA54D #4DA590

square

#644DA5 #A54D62 #8EA54D #4DA590

split-complementary

#644DA5 #A5904D #62A54D

monochromatic

#312652 #4B3A7B #644DA5 #8672BD #AA9CD1

Accessibility & contrast

On white

6.67

#644DA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#644DA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DA5

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DA5	#FFFFFF	#000000	##FFFFFF
##644DA5	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275DA8

Deuteranopia (green-blind)

#2C5BA3

Tritanopia (blue-blind)

#535F71

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #644da5;
/* rgb */ color: rgb(100, 77, 165);
/* oklch */ color: oklch(48.8% 0.136 292.7);

Tailwind

colors: {
  custom: {
    50: '#947fc0',
    500: '#644da5',
    950: '#000000',
  },
}

SCSS

$custom: #644da5;
$custom-light: #947fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#644da5",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 165
  },
  "hsl": {
    "h": 255.682,
    "s": 36.364,
    "l": 47.451
  },
  "oklch": {
    "l": 0.48791,
    "c": 0.13635,
    "h": 292.7
  },
  "luminance": 0.10734
}

Semantic roles & 50–950 ramp

primary

#644DA5

secondary

#B2BD90

accent

#CC5BAF

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644DA5

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

Preview Lab → · Contrast checker → · Palette generator →