#644EA6#644EA6

#644EA6 is a mid, vivid violet. Relative luminance 0.109; OKLCH L 49.0% C 0.136 H 292.1°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#644EA6
RGB	rgb(100, 78, 166)
HSL	hsl(255, 36%, 48%)
HSV	hsv(255, 53%, 65%)
CMYK	cmyk(39.8%, 53%, 0%, 34.9%)
CIE-LAB	lab(39.43, 30.44, -44.49)
CIE-LCH	lch(39.43, 53.91, 304.38°)
OKLab	oklab(49.04% 0.0513 -0.1261)
OKLCH	oklch(49.04% 0.136 292.1)
XYZ	xyz(14.8610, 10.9109, 37.3920)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EA6 #90A64E

analogous

#4E64A6 #644EA6 #904EA6

triadic

#644EA6 #A6644E #4EA664

tetradic

#644EA6 #A64E64 #90A64E #4EA690

square

#644EA6 #A64E64 #90A64E #4EA690

split-complementary

#644EA6 #A6904E #64A64E

monochromatic

#322753 #4B3A7C #644EA6 #8674BE #AA9DD1

Accessibility & contrast

On white

6.60

#644EA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#644EA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EA6

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EA6	#FFFFFF	#000000	##FFFFFF
##644EA6	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285EA9

Deuteranopia (green-blind)

#2C5BA4

Tritanopia (blue-blind)

#536072

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644ea6;
/* rgb */ color: rgb(100, 78, 166);
/* oklch */ color: oklch(49.0% 0.136 292.1);

Tailwind

colors: {
  custom: {
    50: '#9480c1',
    500: '#644ea6',
    950: '#000000',
  },
}

SCSS

$custom: #644ea6;
$custom-light: #9480c1;
$custom-dark: #000000;

JSON

{
  "hex": "#644ea6",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 166
  },
  "hsl": {
    "h": 255,
    "s": 36.066,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49035,
    "c": 0.13618,
    "h": 292.1
  },
  "luminance": 0.10911
}

Semantic roles & 50–950 ramp

primary

#644EA6

secondary

#B3BE92

accent

#CC5CB0

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644EA6

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

Preview Lab → · Contrast checker → · Palette generator →