#644BB5#644BB5

#644BB5 is a mid, vivid violet. Relative luminance 0.111; OKLCH L 49.6% C 0.161 H 290.1°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#644BB5
RGB	rgb(100, 75, 181)
HSL	hsl(254, 42%, 50%)
HSV	hsv(254, 59%, 71%)
CMYK	cmyk(44.8%, 58.6%, 0%, 29%)
CIE-LAB	lab(39.71, 36.58, -52.92)
CIE-LCH	lch(39.71, 64.33, 304.65°)
OKLab	oklab(49.56% 0.0554 -0.1509)
OKLCH	oklch(49.56% 0.161 290.1)
XYZ	xyz(16.1098, 11.0771, 44.9964)
Luminance	0.1108 (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

#644BB5 #9CB54B

analogous

#4B67B5 #644BB5 #994BB5

triadic

#644BB5 #B5644B #4BB564

tetradic

#644BB5 #B54B67 #9CB54B #4BB599

square

#644BB5 #B54B67 #9CB54B #4BB599

split-complementary

#644BB5 #B5994B #67B54B

monochromatic

#34275F #4C398A #644BB5 #8976C7 #AFA2D9

Accessibility & contrast

On white

6.53

#644BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#644BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BB5

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BB5	#FFFFFF	#000000	##FFFFFF
##644BB5	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060B8

Deuteranopia (green-blind)

#075BB3

Tritanopia (blue-blind)

#4C6379

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644bb5;
/* rgb */ color: rgb(100, 75, 181);
/* oklch */ color: oklch(49.6% 0.161 290.1);

Tailwind

colors: {
  custom: {
    50: '#967ecc',
    500: '#644bb5',
    950: '#000000',
  },
}

SCSS

$custom: #644bb5;
$custom-light: #967ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#644bb5",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 181
  },
  "hsl": {
    "h": 254.151,
    "s": 41.732,
    "l": 50.196
  },
  "oklch": {
    "l": 0.49557,
    "c": 0.16076,
    "h": 290.1
  },
  "luminance": 0.11078
}

Semantic roles & 50–950 ramp

primary

#644BB5

secondary

#BAC696

accent

#D256B4

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #644BB5

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

Preview Lab → · Contrast checker → · Palette generator →