#644FA5#644FA5

#644FA5 is a mid, vivid violet. Relative luminance 0.110; OKLCH L 49.1% C 0.133 H 292.0°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#644FA5
RGB	rgb(100, 79, 165)
HSL	hsl(255, 35%, 48%)
HSV	hsv(255, 52%, 65%)
CMYK	cmyk(39.4%, 52.1%, 0%, 35.3%)
CIE-LAB	lab(39.61, 29.55, -43.60)
CIE-LCH	lch(39.61, 52.67, 304.12°)
OKLab	oklab(49.15% 0.05 -0.1235)
OKLCH	oklch(49.15% 0.133 292)
XYZ	xyz(14.8412, 11.0175, 36.9347)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FA5 #90A54F

analogous

#4F65A5 #644FA5 #8F4FA5

triadic

#644FA5 #A5644F #4FA564

tetradic

#644FA5 #A54F65 #90A54F #4FA58F

square

#644FA5 #A54F65 #90A54F #4FA58F

split-complementary

#644FA5 #A58F4F #65A54F

monochromatic

#322752 #4B3B7C #644FA5 #8675BD #AA9ED1

Accessibility & contrast

On white

6.56

#644FA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#644FA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FA5

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FA5	#FFFFFF	#000000	##FFFFFF
##644FA5	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5FA8

Deuteranopia (green-blind)

#2F5CA3

Tritanopia (blue-blind)

#536172

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644fa5;
/* rgb */ color: rgb(100, 79, 165);
/* oklch */ color: oklch(49.1% 0.133 292.0);

Tailwind

colors: {
  custom: {
    50: '#9481c0',
    500: '#644fa5',
    950: '#000000',
  },
}

SCSS

$custom: #644fa5;
$custom-light: #9481c0;
$custom-dark: #000000;

JSON

{
  "hex": "#644fa5",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 165
  },
  "hsl": {
    "h": 254.651,
    "s": 35.246,
    "l": 47.843
  },
  "oklch": {
    "l": 0.4915,
    "c": 0.13327,
    "h": 292
  },
  "luminance": 0.11018
}

Semantic roles & 50–950 ramp

primary

#644FA5

secondary

#B3BD92

accent

#CB5DB0

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644FA5

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

Preview Lab → · Contrast checker → · Palette generator →