#644DF0#644DF0

#644DF0 is a mid, highly saturated blue. Relative luminance 0.143; OKLCH L 54.6% C 0.232 H 281.9°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#644DF0
RGB	rgb(100, 77, 240)
HSL	hsl(248, 84%, 62%)
HSV	hsv(248, 68%, 94%)
CMYK	cmyk(58.3%, 67.9%, 0%, 5.9%)
CIE-LAB	lab(44.67, 52.90, -78.78)
CIE-LCH	lch(44.67, 94.90, 303.88°)
OKLab	oklab(54.57% 0.0478 -0.2269)
OKLCH	oklch(54.57% 0.232 281.9)
XYZ	xyz(23.6327, 14.3067, 83.9373)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DF0 #D9F04D

analogous

#4D88F0 #644DF0 #B54DF0

triadic

#644DF0 #F0644D #4DF064

tetradic

#644DF0 #F04D88 #D9F04D #4DF0B5

square

#644DF0 #F04D88 #D9F04D #4DF0B5

split-complementary

#644DF0 #F0B54D #88F04D

monochromatic

#260FB3 #3315EB #644DF0 #9585F5 #C6BEFA

Accessibility & contrast

On white

5.44

#644DF0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#644DF0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DF0

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DF0	#FFFFFF	#000000	##FFFFFF
##644DF0	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FF5

Deuteranopia (green-blind)

#0064ED

Tritanopia (blue-blind)

#007899

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #644df0;
/* rgb */ color: rgb(100, 77, 240);
/* oklch */ color: oklch(54.6% 0.232 281.9);

Tailwind

colors: {
  custom: {
    50: '#9e81f6',
    500: '#644df0',
    950: '#000000',
  },
}

SCSS

$custom: #644df0;
$custom-light: #9e81f6;
$custom-dark: #000000;

JSON

{
  "hex": "#644df0",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 240
  },
  "hsl": {
    "h": 248.466,
    "s": 84.456,
    "l": 62.157
  },
  "oklch": {
    "l": 0.54572,
    "c": 0.23189,
    "h": 281.9
  },
  "luminance": 0.14308
}

Semantic roles & 50–950 ramp

primary

#644DF0

secondary

#E2EAAE

accent

#E105C2

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #644DF0

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

Preview Lab → · Contrast checker → · Palette generator →