#644BE4#644BE4

#644BE4 is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 53.3% C 0.220 H 283.5°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#644BE4
RGB	rgb(100, 75, 228)
HSL	hsl(250, 74%, 59%)
HSV	hsv(250, 67%, 89%)
CMYK	cmyk(56.1%, 67.1%, 0%, 10.6%)
CIE-LAB	lab(43.27, 50.44, -74.29)
CIE-LCH	lch(43.27, 89.79, 304.17°)
OKLab	oklab(53.26% 0.0513 -0.2137)
OKLCH	oklch(53.26% 0.22 283.5)
XYZ	xyz(21.7709, 13.3416, 74.8117)
Luminance	0.1334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644BE4 #CBE44B

analogous

#4B7FE4 #644BE4 #B14BE4

triadic

#644BE4 #E4644B #4BE464

tetradic

#644BE4 #E44B7F #CBE44B #4BE4B1

square

#644BE4 #E44B7F #CBE44B #4BE4B1

split-complementary

#644BE4 #E4B14B #7FE44B

monochromatic

#2D189D #3D20D2 #644BE4 #9280EC #C0B5F4

Accessibility & contrast

On white

5.72

#644BE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#644BE4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BE4

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BE4	#FFFFFF	#000000	##FFFFFF
##644BE4	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE9

Deuteranopia (green-blind)

#0061E1

Tritanopia (blue-blind)

#227391

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #644be4;
/* rgb */ color: rgb(100, 75, 228);
/* oklch */ color: oklch(53.3% 0.220 283.5);

Tailwind

colors: {
  custom: {
    50: '#9c7fee',
    500: '#644be4',
    950: '#000000',
  },
}

SCSS

$custom: #644be4;
$custom-light: #9c7fee;
$custom-dark: #000000;

JSON

{
  "hex": "#644be4",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 228
  },
  "hsl": {
    "h": 249.804,
    "s": 73.913,
    "l": 59.412
  },
  "oklch": {
    "l": 0.53263,
    "c": 0.21978,
    "h": 283.5
  },
  "luminance": 0.13343
}

Semantic roles & 50–950 ramp

primary

#644BE4

secondary

#D9E3A8

accent

#F137D2

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644BE4

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

Preview Lab → · Contrast checker → · Palette generator →