#644BD3#644BD3

#644BD3 is a mid, vivid violet. Relative luminance 0.124; OKLCH L 51.9% C 0.199 H 285.6°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#644BD3
RGB	rgb(100, 75, 211)
HSL	hsl(251, 61%, 56%)
HSV	hsv(251, 64%, 83%)
CMYK	cmyk(52.6%, 64.5%, 0%, 17.3%)
CIE-LAB	lab(41.91, 45.40, -66.80)
CIE-LCH	lch(41.91, 80.77, 304.20°)
OKLab	oklab(51.86% 0.0534 -0.1917)
OKLCH	oklch(51.86% 0.199 285.6)
XYZ	xyz(19.5260, 12.4436, 62.9884)
Luminance	0.1245 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644BD3 #BAD34B

analogous

#4B76D3 #644BD3 #A84BD3

triadic

#644BD3 #D3644B #4BD364

tetradic

#644BD3 #D34B76 #BAD34B #4BD3A8

square

#644BD3 #D34B76 #BAD34B #4BD3A8

split-complementary

#644BD3 #D3A84B #76D34B

monochromatic

#322083 #452CB5 #644BD3 #8E7CDF #B9ADEB

Accessibility & contrast

On white

6.02

#644BD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#644BD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BD3

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BD3	#FFFFFF	#000000	##FFFFFF
##644BD3	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D7

Deuteranopia (green-blind)

#005FD0

Tritanopia (blue-blind)

#376D88

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644bd3;
/* rgb */ color: rgb(100, 75, 211);
/* oklch */ color: oklch(51.9% 0.199 285.6);

Tailwind

colors: {
  custom: {
    50: '#9a7fe1',
    500: '#644bd3',
    950: '#000000',
  },
}

SCSS

$custom: #644bd3;
$custom-light: #9a7fe1;
$custom-dark: #000000;

JSON

{
  "hex": "#644bd3",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 211
  },
  "hsl": {
    "h": 251.029,
    "s": 60.714,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51858,
    "c": 0.19903,
    "h": 285.6
  },
  "luminance": 0.12445
}

Semantic roles & 50–950 ramp

primary

#644BD3

secondary

#CFD9A1

accent

#E444C6

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #644BD3

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

Preview Lab → · Contrast checker → · Palette generator →