#644FE3#644FE3

#644FE3 is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.8% C 0.214 H 283.0°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#644FE3
RGB	rgb(100, 79, 227)
HSL	hsl(249, 73%, 60%)
HSV	hsv(249, 65%, 89%)
CMYK	cmyk(55.9%, 65.2%, 0%, 11%)
CIE-LAB	lab(44.01, 47.92, -72.51)
CIE-LCH	lch(44.01, 86.92, 303.46°)
OKLab	oklab(53.77% 0.048 -0.2085)
OKLCH	oklch(53.77% 0.214 283)
XYZ	xyz(21.9124, 13.8460, 74.1760)
Luminance	0.1385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FE3 #CEE34F

analogous

#4F84E3 #644FE3 #AE4FE3

triadic

#644FE3 #E3644F #4FE364

tetradic

#644FE3 #E34F84 #CEE34F #4FE3AE

square

#644FE3 #E34F84 #CEE34F #4FE3AE

split-complementary

#644FE3 #E3AE4F #84E34F

monochromatic

#2C199E #3B22D3 #644FE3 #9384EB #C1B9F4

Accessibility & contrast

On white

5.57

#644FE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#644FE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FE3

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FE3	#FFFFFF	#000000	##FFFFFF
##644FE3	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)

#006DE8

Deuteranopia (green-blind)

#0063E0

Tritanopia (blue-blind)

#237492

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #644fe3;
/* rgb */ color: rgb(100, 79, 227);
/* oklch */ color: oklch(53.8% 0.214 283.0);

Tailwind

colors: {
  custom: {
    50: '#9c82ed',
    500: '#644fe3',
    950: '#000000',
  },
}

SCSS

$custom: #644fe3;
$custom-light: #9c82ed;
$custom-dark: #000000;

JSON

{
  "hex": "#644fe3",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 227
  },
  "hsl": {
    "h": 248.514,
    "s": 72.549,
    "l": 60
  },
  "oklch": {
    "l": 0.53769,
    "c": 0.21396,
    "h": 283
  },
  "luminance": 0.13847
}

Semantic roles & 50–950 ramp

primary

#644FE3

secondary

#DBE3AA

accent

#EF39D5

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644FE3

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

Preview Lab → · Contrast checker → · Palette generator →