#644BD4#644BD4

#644BD4 is a mid, highly saturated violet. Relative luminance 0.125; OKLCH L 51.9% C 0.200 H 285.4°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#644BD4
RGB	rgb(100, 75, 212)
HSL	hsl(251, 61%, 56%)
HSV	hsv(251, 65%, 83%)
CMYK	cmyk(52.8%, 64.6%, 0%, 16.9%)
CIE-LAB	lab(41.99, 45.70, -67.25)
CIE-LCH	lch(41.99, 81.30, 304.20°)
OKLab	oklab(51.94% 0.0533 -0.193)
OKLCH	oklch(51.94% 0.2 285.4)
XYZ	xyz(19.6517, 12.4939, 63.6507)
Luminance	0.1250 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644BD4 #BBD44B

analogous

#4B77D4 #644BD4 #A94BD4

triadic

#644BD4 #D4644B #4BD464

tetradic

#644BD4 #D44B77 #BBD44B #4BD4A9

square

#644BD4 #D44B77 #BBD44B #4BD4A9

split-complementary

#644BD4 #D4A94B #77D44B

monochromatic

#322085 #452CB6 #644BD4 #8F7CE0 #B9AEEC

Accessibility & contrast

On white

6.00

#644BD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#644BD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BD4

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BD4	#FFFFFF	#000000	##FFFFFF
##644BD4	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D8

Deuteranopia (green-blind)

#005FD1

Tritanopia (blue-blind)

#366D89

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644bd4;
/* rgb */ color: rgb(100, 75, 212);
/* oklch */ color: oklch(51.9% 0.200 285.4);

Tailwind

colors: {
  custom: {
    50: '#9a7fe2',
    500: '#644bd4',
    950: '#000000',
  },
}

SCSS

$custom: #644bd4;
$custom-light: #9a7fe2;
$custom-dark: #000000;

JSON

{
  "hex": "#644bd4",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 212
  },
  "hsl": {
    "h": 250.949,
    "s": 61.435,
    "l": 56.275
  },
  "oklch": {
    "l": 0.51939,
    "c": 0.20027,
    "h": 285.4
  },
  "luminance": 0.12495
}

Semantic roles & 50–950 ramp

primary

#644BD4

secondary

#CFDAA1

accent

#E543C7

background

#FAF7FE

surface

#F3EEFC

border

#CDC9D5

text

#0F0A15

muted

#7F7C84

Preview Lab

Preview with #644BD4

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

Preview Lab → · Contrast checker → · Palette generator →