#644CBF#644CBF

#644CBF is a mid, vivid violet. Relative luminance 0.116; OKLCH L 50.5% C 0.172 H 288.2°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#644CBF
RGB	rgb(100, 76, 191)
HSL	hsl(253, 47%, 52%)
HSV	hsv(253, 60%, 75%)
CMYK	cmyk(47.6%, 60.2%, 0%, 25.1%)
CIE-LAB	lab(40.64, 38.92, -57.28)
CIE-LCH	lch(40.64, 69.25, 304.19°)
OKLab	oklab(50.46% 0.0539 -0.1638)
OKLCH	oklch(50.46% 0.172 288.2)
XYZ	xyz(17.2412, 11.6391, 50.6182)
Luminance	0.1164 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.87

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CBF #A7BF4C

analogous

#4C6DBF #644CBF #9E4CBF

triadic

#644CBF #BF644C #4CBF64

tetradic

#644CBF #BF4C6D #A7BF4C #4CBF9E

square

#644CBF #BF4C6D #A7BF4C #4CBF9E

split-complementary

#644CBF #BF9E4C #6DBF4C

monochromatic

#34266B #4B3698 #644CBF #8B79CF #B2A6DF

Accessibility & contrast

On white

6.31

#644CBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#644CBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CBF

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CBF	#FFFFFF	#000000	##FFFFFF
##644CBF	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C3

Deuteranopia (green-blind)

#005DBD

Tritanopia (blue-blind)

#46667E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644cbf;
/* rgb */ color: rgb(100, 76, 191);
/* oklch */ color: oklch(50.5% 0.172 288.2);

Tailwind

colors: {
  custom: {
    50: '#977fd3',
    500: '#644cbf',
    950: '#000000',
  },
}

SCSS

$custom: #644cbf;
$custom-light: #977fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#644cbf",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 191
  },
  "hsl": {
    "h": 252.522,
    "s": 47.325,
    "l": 52.353
  },
  "oklch": {
    "l": 0.5046,
    "c": 0.17241,
    "h": 288.2
  },
  "luminance": 0.1164
}

Semantic roles & 50–950 ramp

primary

#644CBF

secondary

#C2CC9A

accent

#D751BB

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644CBF

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

Preview Lab → · Contrast checker → · Palette generator →