#644DBF#644DBF

#644DBF is a mid, vivid violet. Relative luminance 0.118; OKLCH L 50.6% C 0.171 H 288.0°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#644DBF
RGB	rgb(100, 77, 191)
HSL	hsl(252, 47%, 53%)
HSV	hsv(252, 60%, 75%)
CMYK	cmyk(47.6%, 59.7%, 0%, 25.1%)
CIE-LAB	lab(40.86, 38.33, -56.92)
CIE-LCH	lch(40.86, 68.62, 303.95°)
OKLab	oklab(50.62% 0.0528 -0.1627)
OKLCH	oklch(50.62% 0.171 288)
XYZ	xyz(17.3107, 11.7779, 50.6414)
Luminance	0.1178 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.10

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DBF #A8BF4D

analogous

#4D6FBF #644DBF #9D4DBF

triadic

#644DBF #BF644D #4DBF64

tetradic

#644DBF #BF4D6F #A8BF4D #4DBF9D

square

#644DBF #BF4D6F #A8BF4D #4DBF9D

split-complementary

#644DBF #BF9D4D #6FBF4D

monochromatic

#34276B #4A3798 #644DBF #8B7ACF #B2A7DF

Accessibility & contrast

On white

6.26

#644DBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#644DBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DBF

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DBF	#FFFFFF	#000000	##FFFFFF
##644DBF	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C3

Deuteranopia (green-blind)

#005DBD

Tritanopia (blue-blind)

#46677E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644dbf;
/* rgb */ color: rgb(100, 77, 191);
/* oklch */ color: oklch(50.6% 0.171 288.0);

Tailwind

colors: {
  custom: {
    50: '#9780d3',
    500: '#644dbf',
    950: '#000000',
  },
}

SCSS

$custom: #644dbf;
$custom-light: #9780d3;
$custom-dark: #000000;

JSON

{
  "hex": "#644dbf",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 191
  },
  "hsl": {
    "h": 252.105,
    "s": 47.107,
    "l": 52.549
  },
  "oklch": {
    "l": 0.50624,
    "c": 0.17105,
    "h": 288
  },
  "luminance": 0.11779
}

Semantic roles & 50–950 ramp

primary

#644DBF

secondary

#C3CD9B

accent

#D751BC

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644DBF

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

Preview Lab → · Contrast checker → · Palette generator →