#644FA6#644FA6

#644FA6 is a mid, vivid violet. Relative luminance 0.111; OKLCH L 49.2% C 0.135 H 291.8°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#644FA6
RGB	rgb(100, 79, 166)
HSL	hsl(254, 36%, 48%)
HSV	hsv(254, 52%, 65%)
CMYK	cmyk(39.8%, 52.4%, 0%, 34.9%)
CIE-LAB	lab(39.67, 29.83, -44.10)
CIE-LCH	lch(39.67, 53.24, 304.08°)
OKLab	oklab(49.22% 0.05 -0.125)
OKLCH	oklch(49.22% 0.135 291.8)
XYZ	xyz(14.9326, 11.0541, 37.4159)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FA6 #91A64F

analogous

#4F65A6 #644FA6 #8F4FA6

triadic

#644FA6 #A6644F #4FA664

tetradic

#644FA6 #A64F65 #91A64F #4FA68F

square

#644FA6 #A64F65 #91A64F #4FA68F

split-complementary

#644FA6 #A68F4F #65A64F

monochromatic

#322853 #4B3B7D #644FA6 #8675BD #AB9ED1

Accessibility & contrast

On white

6.54

#644FA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#644FA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FA6

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FA6	#FFFFFF	#000000	##FFFFFF
##644FA6	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)

#2A5FA9

Deuteranopia (green-blind)

#2E5CA4

Tritanopia (blue-blind)

#536173

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644fa6;
/* rgb */ color: rgb(100, 79, 166);
/* oklch */ color: oklch(49.2% 0.135 291.8);

Tailwind

colors: {
  custom: {
    50: '#9481c1',
    500: '#644fa6',
    950: '#000000',
  },
}

SCSS

$custom: #644fa6;
$custom-light: #9481c1;
$custom-dark: #000000;

JSON

{
  "hex": "#644fa6",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 166
  },
  "hsl": {
    "h": 254.483,
    "s": 35.51,
    "l": 48.039
  },
  "oklch": {
    "l": 0.49215,
    "c": 0.13464,
    "h": 291.8
  },
  "luminance": 0.11054
}

Semantic roles & 50–950 ramp

primary

#644FA6

secondary

#B4BE93

accent

#CC5CB1

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644FA6

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

Preview Lab → · Contrast checker → · Palette generator →