#644FE7#644FE7

#644FE7 is a mid, highly saturated blue. Relative luminance 0.141; OKLCH L 54.1% C 0.219 H 282.5°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#644FE7
RGB	rgb(100, 79, 231)
HSL	hsl(248, 76%, 61%)
HSV	hsv(248, 66%, 91%)
CMYK	cmyk(56.7%, 65.8%, 0%, 9.4%)
CIE-LAB	lab(44.33, 49.12, -74.26)
CIE-LCH	lch(44.33, 89.03, 303.48°)
OKLab	oklab(54.1% 0.0475 -0.2136)
OKLCH	oklch(54.1% 0.219 282.5)
XYZ	xyz(22.4709, 14.0694, 77.1174)
Luminance	0.1407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FE7 #D2E74F

analogous

#4F86E7 #644FE7 #B04FE7

triadic

#644FE7 #E7644F #4FE764

tetradic

#644FE7 #E74F86 #D2E74F #4FE7B0

square

#644FE7 #E74F86 #D2E74F #4FE7B0

split-complementary

#644FE7 #E7B04F #86E74F

monochromatic

#2A17A5 #381EDB #644FE7 #9385EE #C3BBF6

Accessibility & contrast

On white

5.51

#644FE7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#644FE7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FE7

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FE7	#FFFFFF	#000000	##FFFFFF
##644FE7	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EEC

Deuteranopia (green-blind)

#0064E4

Tritanopia (blue-blind)

#1B7694

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #644fe7;
/* rgb */ color: rgb(100, 79, 231);
/* oklch */ color: oklch(54.1% 0.219 282.5);

Tailwind

colors: {
  custom: {
    50: '#9c82f0',
    500: '#644fe7',
    950: '#000000',
  },
}

SCSS

$custom: #644fe7;
$custom-light: #9c82f0;
$custom-dark: #000000;

JSON

{
  "hex": "#644fe7",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 231
  },
  "hsl": {
    "h": 248.289,
    "s": 76,
    "l": 60.784
  },
  "oklch": {
    "l": 0.54101,
    "c": 0.21884,
    "h": 282.5
  },
  "luminance": 0.14071
}

Semantic roles & 50–950 ramp

primary

#644FE7

secondary

#DEE6AC

accent

#D80DBC

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A17

muted

#7F7C85

Preview Lab

Preview with #644FE7

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

Preview Lab → · Contrast checker → · Palette generator →