#644CBD#644CBD

#644CBD is a mid, vivid violet. Relative luminance 0.116; OKLCH L 50.3% C 0.170 H 288.5°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#644CBD
RGB	rgb(100, 76, 189)
HSL	hsl(253, 46%, 52%)
HSV	hsv(253, 60%, 74%)
CMYK	cmyk(47.1%, 59.8%, 0%, 25.9%)
CIE-LAB	lab(40.49, 38.33, -56.35)
CIE-LCH	lch(40.49, 68.15, 304.22°)
OKLab	oklab(50.31% 0.054 -0.161)
OKLCH	oklch(50.31% 0.17 288.5)
XYZ	xyz(17.0226, 11.5516, 49.4670)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CBD #A5BD4C

analogous

#4C6DBD #644CBD #9C4CBD

triadic

#644CBD #BD644C #4CBD64

tetradic

#644CBD #BD4C6D #A5BD4C #4CBD9C

square

#644CBD #BD4C6D #A5BD4C #4CBD9C

split-complementary

#644CBD #BD9C4C #6DBD4C

monochromatic

#342668 #4B3795 #644CBD #8B79CD #B1A5DE

Accessibility & contrast

On white

6.34

#644CBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#644CBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CBD

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CBD	#FFFFFF	#000000	##FFFFFF
##644CBD	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C1

Deuteranopia (green-blind)

#005DBB

Tritanopia (blue-blind)

#47667D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #644cbd;
/* rgb */ color: rgb(100, 76, 189);
/* oklch */ color: oklch(50.3% 0.170 288.5);

Tailwind

colors: {
  custom: {
    50: '#977fd2',
    500: '#644cbd',
    950: '#000000',
  },
}

SCSS

$custom: #644cbd;
$custom-light: #977fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#644cbd",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 189
  },
  "hsl": {
    "h": 252.743,
    "s": 46.122,
    "l": 51.961
  },
  "oklch": {
    "l": 0.5031,
    "c": 0.16981,
    "h": 288.5
  },
  "luminance": 0.11552
}

Semantic roles & 50–950 ramp

primary

#644CBD

secondary

#C1CB9A

accent

#D652BA

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644CBD

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

Preview Lab → · Contrast checker → · Palette generator →