#644BBF#644BBF

#644BBF is a mid, vivid violet. Relative luminance 0.115; OKLCH L 50.3% C 0.174 H 288.5°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#644BBF
RGB	rgb(100, 75, 191)
HSL	hsl(253, 48%, 52%)
HSV	hsv(253, 61%, 75%)
CMYK	cmyk(47.6%, 60.7%, 0%, 25.1%)
CIE-LAB	lab(40.41, 39.50, -57.64)
CIE-LCH	lch(40.41, 69.88, 304.42°)
OKLab	oklab(50.3% 0.055 -0.1648)
OKLCH	oklch(50.3% 0.174 288.5)
XYZ	xyz(17.1729, 11.5024, 50.5954)
Luminance	0.1150 (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

#644BBF #A6BF4B

analogous

#4B6CBF #644BBF #9E4BBF

triadic

#644BBF #BF644B #4BBF64

tetradic

#644BBF #BF4B6C #A6BF4B #4BBF9E

square

#644BBF #BF4B6C #A6BF4B #4BBF9E

split-complementary

#644BBF #BF9E4B #6CBF4B

monochromatic

#34266A #4B3697 #644BBF #8B78CF #B2A5DF

Accessibility & contrast

On white

6.36

#644BBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#644BBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BBF

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BBF	#FFFFFF	#000000	##FFFFFF
##644BBF	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C3

Deuteranopia (green-blind)

#005CBD

Tritanopia (blue-blind)

#46667E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #644bbf;
/* rgb */ color: rgb(100, 75, 191);
/* oklch */ color: oklch(50.3% 0.174 288.5);

Tailwind

colors: {
  custom: {
    50: '#977ed3',
    500: '#644bbf',
    950: '#000000',
  },
}

SCSS

$custom: #644bbf;
$custom-light: #977ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#644bbf",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 191
  },
  "hsl": {
    "h": 252.931,
    "s": 47.541,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50297,
    "c": 0.17376,
    "h": 288.5
  },
  "luminance": 0.11503
}

Semantic roles & 50–950 ramp

primary

#644BBF

secondary

#C1CC9A

accent

#D751BA

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644BBF

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

Preview Lab → · Contrast checker → · Palette generator →