#644EE5#644EE5

#644EE5 is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.8% C 0.218 H 282.9°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#644EE5
RGB	rgb(100, 78, 229)
HSL	hsl(249, 74%, 60%)
HSV	hsv(249, 66%, 90%)
CMYK	cmyk(56.3%, 65.9%, 0%, 10.2%)
CIE-LAB	lab(43.96, 49.08, -73.72)
CIE-LCH	lch(43.96, 88.56, 303.65°)
OKLab	oklab(53.79% 0.0486 -0.2121)
OKLCH	oklch(53.79% 0.218 282.9)
XYZ	xyz(22.1184, 13.8139, 75.6144)
Luminance	0.1381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644EE5 #CFE54E

analogous

#4E83E5 #644EE5 #B04EE5

triadic

#644EE5 #E5644E #4EE564

tetradic

#644EE5 #E54E83 #CFE54E #4EE5B0

square

#644EE5 #E54E83 #CFE54E #4EE5B0

split-complementary

#644EE5 #E5B04E #83E54E

monochromatic

#2C18A1 #3A1FD6 #644EE5 #9383ED #C1B9F5

Accessibility & contrast

On white

5.58

#644EE5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#644EE5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644EE5

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644EE5	#FFFFFF	#000000	##FFFFFF
##644EE5	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DEA

Deuteranopia (green-blind)

#0063E2

Tritanopia (blue-blind)

#207593

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #644ee5;
/* rgb */ color: rgb(100, 78, 229);
/* oklch */ color: oklch(53.8% 0.218 282.9);

Tailwind

colors: {
  custom: {
    50: '#9c81ee',
    500: '#644ee5',
    950: '#000000',
  },
}

SCSS

$custom: #644ee5;
$custom-light: #9c81ee;
$custom-dark: #000000;

JSON

{
  "hex": "#644ee5",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 229
  },
  "hsl": {
    "h": 248.742,
    "s": 74.384,
    "l": 60.196
  },
  "oklch": {
    "l": 0.53786,
    "c": 0.21756,
    "h": 282.9
  },
  "luminance": 0.13815
}

Semantic roles & 50–950 ramp

primary

#644EE5

secondary

#DCE4AA

accent

#D70FB9

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A17

muted

#7F7C85

Preview Lab

Preview with #644EE5

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

Preview Lab → · Contrast checker → · Palette generator →