#644DE8#644DE8

#644DE8 is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.9% C 0.222 H 282.7°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#644DE8
RGB	rgb(100, 77, 232)
HSL	hsl(249, 77%, 61%)
HSV	hsv(249, 67%, 91%)
CMYK	cmyk(56.9%, 66.8%, 0%, 9%)
CIE-LAB	lab(44.01, 50.52, -75.36)
CIE-LCH	lch(44.01, 90.73, 303.84°)
OKLab	oklab(53.89% 0.049 -0.2169)
OKLCH	oklch(53.89% 0.222 282.7)
XYZ	xyz(22.4704, 13.8418, 77.8160)
Luminance	0.1384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DE8 #D1E84D

analogous

#4D83E8 #644DE8 #B14DE8

triadic

#644DE8 #E8644D #4DE864

tetradic

#644DE8 #E84D83 #D1E84D #4DE8B1

square

#644DE8 #E84D83 #D1E84D #4DE8B1

split-complementary

#644DE8 #E8B14D #83E84D

monochromatic

#2B15A5 #391CDB #644DE8 #9383EF #C2B9F6

Accessibility & contrast

On white

5.57

#644DE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#644DE8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DE8

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DE8	#FFFFFF	#000000	##FFFFFF
##644DE8	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DED

Deuteranopia (green-blind)

#0063E5

Tritanopia (blue-blind)

#1A7594

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #644de8;
/* rgb */ color: rgb(100, 77, 232);
/* oklch */ color: oklch(53.9% 0.222 282.7);

Tailwind

colors: {
  custom: {
    50: '#9d81f0',
    500: '#644de8',
    950: '#000000',
  },
}

SCSS

$custom: #644de8;
$custom-light: #9d81f0;
$custom-dark: #000000;

JSON

{
  "hex": "#644de8",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 232
  },
  "hsl": {
    "h": 248.903,
    "s": 77.114,
    "l": 60.588
  },
  "oklch": {
    "l": 0.5389,
    "c": 0.22233,
    "h": 282.7
  },
  "luminance": 0.13843
}

Semantic roles & 50–950 ramp

primary

#644DE8

secondary

#DDE6AB

accent

#D90CBB

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644DE8

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

Preview Lab → · Contrast checker → · Palette generator →