#644FD0#644FD0

#644FD0 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 52.2% C 0.190 H 285.2°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#644FD0
RGB	rgb(100, 79, 208)
HSL	hsl(250, 58%, 56%)
HSV	hsv(250, 62%, 82%)
CMYK	cmyk(51.9%, 62%, 0%, 18.4%)
CIE-LAB	lab(42.54, 42.22, -64.05)
CIE-LCH	lch(42.54, 76.71, 303.39°)
OKLab	oklab(52.25% 0.0498 -0.1836)
OKLCH	oklch(52.25% 0.19 285.2)
XYZ	xyz(19.4333, 12.8543, 61.1194)
Luminance	0.1285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FD0 #BBD04F

analogous

#4F7BD0 #644FD0 #A54FD0

triadic

#644FD0 #D0644F #4FD064

tetradic

#644FD0 #D04F7B #BBD04F #4FD0A5

square

#644FD0 #D04F7B #BBD04F #4FD0A5

split-complementary

#644FD0 #D0A54F #7BD04F

monochromatic

#322382 #4530B2 #644FD0 #8F7FDD #B9B0EA

Accessibility & contrast

On white

5.88

#644FD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#644FD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FD0

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FD0	#FFFFFF	#000000	##FFFFFF
##644FD0	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D4

Deuteranopia (green-blind)

#0060CD

Tritanopia (blue-blind)

#396E88

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #644fd0;
/* rgb */ color: rgb(100, 79, 208);
/* oklch */ color: oklch(52.2% 0.190 285.2);

Tailwind

colors: {
  custom: {
    50: '#9981df',
    500: '#644fd0',
    950: '#000000',
  },
}

SCSS

$custom: #644fd0;
$custom-light: #9981df;
$custom-dark: #000000;

JSON

{
  "hex": "#644fd0",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 208
  },
  "hsl": {
    "h": 249.767,
    "s": 57.848,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52245,
    "c": 0.19026,
    "h": 285.2
  },
  "luminance": 0.12855
}

Semantic roles & 50–950 ramp

primary

#644FD0

secondary

#CFD8A3

accent

#E147C8

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #644FD0

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

Preview Lab → · Contrast checker → · Palette generator →