#645DEF#645DEF

#645DEF is a mid, highly saturated blue. Relative luminance 0.168; OKLCH L 56.9% C 0.212 H 279.4°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#645DEF
RGB	rgb(100, 93, 239)
HSL	hsl(243, 82%, 65%)
HSV	hsv(243, 61%, 94%)
CMYK	cmyk(58.2%, 61.1%, 0%, 6.3%)
CIE-LAB	lab(47.97, 43.55, -72.83)
CIE-LCH	lch(47.97, 84.86, 300.87°)
OKLab	oklab(56.94% 0.0346 -0.2094)
OKLCH	oklch(56.94% 0.212 279.4)
XYZ	xyz(24.7449, 16.7683, 83.5773)
Luminance	0.1677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645DEF #E8EF5D

analogous

#5D9FEF #645DEF #AD5DEF

triadic

#645DEF #EF645D #5DEF64

tetradic

#645DEF #EF5D9F #E8EF5D #5DEFAD

square

#645DEF #EF5D9F #E8EF5D #5DEFAD

split-complementary

#645DEF #EFAD5D #9FEF5D

monochromatic

#1B13BF #2F25E9 #645DEF #9995F5 #CFCCFA

Accessibility & contrast

On white

4.82

#645DEF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#645DEF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645DEF

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645DEF	#FFFFFF	#000000	##FFFFFF
##645DEF	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078F4

Deuteranopia (green-blind)

#006CEC

Tritanopia (blue-blind)

#00819D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #645def;
/* rgb */ color: rgb(100, 93, 239);
/* oklch */ color: oklch(56.9% 0.212 279.4);

Tailwind

colors: {
  custom: {
    50: '#9d8bf5',
    500: '#645def',
    950: '#000000',
  },
}

SCSS

$custom: #645def;
$custom-light: #9d8bf5;
$custom-dark: #000000;

JSON

{
  "hex": "#645def",
  "rgb": {
    "r": 100,
    "g": 93,
    "b": 239
  },
  "hsl": {
    "h": 242.877,
    "s": 82.022,
    "l": 65.098
  },
  "oklch": {
    "l": 0.56939,
    "c": 0.21226,
    "h": 279.4
  },
  "luminance": 0.1677
}

Semantic roles & 50–950 ramp

primary

#645DEF

secondary

#EAEDBB

accent

#DE07D4

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #645DEF

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

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