#644DD3#644DD3

#644DD3 is a mid, vivid violet. Relative luminance 0.127; OKLCH L 52.2% C 0.197 H 285.2°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#644DD3
RGB	rgb(100, 77, 211)
HSL	hsl(250, 60%, 56%)
HSV	hsv(250, 64%, 83%)
CMYK	cmyk(52.6%, 63.5%, 0%, 17.3%)
CIE-LAB	lab(42.34, 44.27, -66.11)
CIE-LCH	lch(42.34, 79.56, 303.81°)
OKLab	oklab(52.17% 0.0515 -0.1897)
OKLCH	oklch(52.17% 0.197 285.2)
XYZ	xyz(19.6637, 12.7192, 63.0343)
Luminance	0.1272 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DD3 #BCD34D

analogous

#4D79D3 #644DD3 #A74DD3

triadic

#644DD3 #D3644D #4DD364

tetradic

#644DD3 #D34D79 #BCD34D #4DD3A7

square

#644DD3 #D34D79 #BCD34D #4DD3A7

split-complementary

#644DD3 #D3A74D #79D34D

monochromatic

#322185 #442DB6 #644DD3 #8F7EDF #B9AFEB

Accessibility & contrast

On white

5.93

#644DD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#644DD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DD3

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DD3	#FFFFFF	#000000	##FFFFFF
##644DD3	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D7

Deuteranopia (green-blind)

#0060D0

Tritanopia (blue-blind)

#376E89

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #644dd3;
/* rgb */ color: rgb(100, 77, 211);
/* oklch */ color: oklch(52.2% 0.197 285.2);

Tailwind

colors: {
  custom: {
    50: '#9980e1',
    500: '#644dd3',
    950: '#000000',
  },
}

SCSS

$custom: #644dd3;
$custom-light: #9980e1;
$custom-dark: #000000;

JSON

{
  "hex": "#644dd3",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 211
  },
  "hsl": {
    "h": 250.299,
    "s": 60.36,
    "l": 56.471
  },
  "oklch": {
    "l": 0.52166,
    "c": 0.19656,
    "h": 285.2
  },
  "luminance": 0.1272
}

Semantic roles & 50–950 ramp

primary

#644DD3

secondary

#D0D9A2

accent

#E444C8

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #644DD3

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

Preview Lab → · Contrast checker → · Palette generator →