#644FB9#644FB9

#644FB9 is a mid, vivid violet. Relative luminance 0.118; OKLCH L 50.5% C 0.160 H 288.4°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#644FB9
RGB	rgb(100, 79, 185)
HSL	hsl(252, 43%, 52%)
HSV	hsv(252, 57%, 73%)
CMYK	cmyk(45.9%, 57.3%, 0%, 27.5%)
CIE-LAB	lab(40.90, 35.37, -53.35)
CIE-LCH	lch(40.90, 64.01, 303.55°)
OKLab	oklab(50.52% 0.0507 -0.1522)
OKLCH	oklch(50.52% 0.16 288.4)
XYZ	xyz(16.8060, 11.8034, 47.2823)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FB9 #A4B94F

analogous

#4F6FB9 #644FB9 #994FB9

triadic

#644FB9 #B9644F #4FB964

tetradic

#644FB9 #B94F6F #A4B94F #4FB999

square

#644FB9 #B94F6F #A4B94F #4FB999

split-complementary

#644FB9 #B9994F #6FB94F

monochromatic

#342865 #4B3A91 #644FB9 #8B7BCA #B1A7DC

Accessibility & contrast

On white

6.25

#644FB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#644FB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FB9

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FB9	#FFFFFF	#000000	##FFFFFF
##644FB9	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0863BD

Deuteranopia (green-blind)

#0B5EB7

Tritanopia (blue-blind)

#49677C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644fb9;
/* rgb */ color: rgb(100, 79, 185);
/* oklch */ color: oklch(50.5% 0.160 288.4);

Tailwind

colors: {
  custom: {
    50: '#9681cf',
    500: '#644fb9',
    950: '#000000',
  },
}

SCSS

$custom: #644fb9;
$custom-light: #9681cf;
$custom-dark: #000000;

JSON

{
  "hex": "#644fb9",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 185
  },
  "hsl": {
    "h": 251.887,
    "s": 43.089,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50522,
    "c": 0.16038,
    "h": 288.4
  },
  "luminance": 0.11804
}

Semantic roles & 50–950 ramp

primary

#644FB9

secondary

#C0C99B

accent

#D355BA

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644FB9

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

Preview Lab → · Contrast checker → · Palette generator →