#5B64DE#5B64DE

#5B64DE is a mid, vivid blue. Relative luminance 0.166; OKLCH L 56.2% C 0.183 H 275.6°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#5B64DE
RGB	rgb(91, 100, 222)
HSL	hsl(236, 66%, 61%)
HSV	hsv(236, 59%, 87%)
CMYK	cmyk(59%, 55%, 0%, 12.9%)
CIE-LAB	lab(47.77, 32.38, -63.60)
CIE-LCH	lch(47.77, 71.37, 296.98°)
OKLab	oklab(56.25% 0.018 -0.1825)
OKLCH	oklch(56.25% 0.183 275.6)
XYZ	xyz(22.0521, 16.6107, 71.1372)
Luminance	0.1661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B64DE #DED55B

analogous

#5BA6DE #5B64DE #945BDE

triadic

#5B64DE #DE5B64 #64DE5B

tetradic

#5B64DE #DE5BA6 #DED55B #5BDE94

square

#5B64DE #DE5BA6 #DED55B #5BDE94

split-complementary

#5B64DE #DE945B #A6DE5B

monochromatic

#20299F #2A36D2 #5B64DE #8E94E8 #C1C4F3

Accessibility & contrast

On white

4.86

#5B64DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#5B64DE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B64DE

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B64DE	#FFFFFF	#000000	##FFFFFF
##5B64DE	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0177E2

Deuteranopia (green-blind)

#006CDB

Tritanopia (blue-blind)

#008197

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5b64de;
/* rgb */ color: rgb(91, 100, 222);
/* oklch */ color: oklch(56.2% 0.183 275.6);

Tailwind

colors: {
  custom: {
    50: '#9590e9',
    500: '#5b64de',
    950: '#000000',
  },
}

SCSS

$custom: #5b64de;
$custom-light: #9590e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b64de",
  "rgb": {
    "r": 91,
    "g": 100,
    "b": 222
  },
  "hsl": {
    "h": 235.878,
    "s": 66.497,
    "l": 61.373
  },
  "oklch": {
    "l": 0.56246,
    "c": 0.18334,
    "h": 275.6
  },
  "luminance": 0.16612
}

Semantic roles & 50–950 ramp

primary

#5B64DE

secondary

#E3E0B2

accent

#C217CE

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5B64DE

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

Preview Lab → · Contrast checker → · Palette generator →