#5B64CC#5B64CC

#5B64CC is a mid, vivid blue. Relative luminance 0.157; OKLCH L 55.0% C 0.159 H 276.1°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#5B64CC
RGB	rgb(91, 100, 204)
HSL	hsl(235, 53%, 58%)
HSV	hsv(235, 55%, 80%)
CMYK	cmyk(55.4%, 51%, 0%, 20%)
CIE-LAB	lab(46.57, 26.52, -55.26)
CIE-LCH	lch(46.57, 61.30, 295.64°)
OKLab	oklab(54.97% 0.017 -0.1579)
OKLCH	oklch(54.97% 0.159 276.1)
XYZ	xyz(19.7672, 15.6968, 59.1032)
Luminance	0.1570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B64CC #CCC35B

analogous

#5B9DCC #5B64CC #8A5BCC

triadic

#5B64CC #CC5B64 #64CC5B

tetradic

#5B64CC #CC5B9D #CCC35B #5BCC8A

square

#5B64CC #CC5B9D #CCC35B #5BCC8A

split-complementary

#5B64CC #CC8A5B #9DCC5B

monochromatic

#293084 #3741B2 #5B64CC #8A90DB #B8BCE9

Accessibility & contrast

On white

5.07

#5B64CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#5B64CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B64CC

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B64CC	#FFFFFF	#000000	##FFFFFF
##5B64CC	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D73D0

Deuteranopia (green-blind)

#1A6ACA

Tritanopia (blue-blind)

#1F7B8E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #5b64cc;
/* rgb */ color: rgb(91, 100, 204);
/* oklch */ color: oklch(55.0% 0.159 276.1);

Tailwind

colors: {
  custom: {
    50: '#9290dc',
    500: '#5b64cc',
    950: '#000000',
  },
}

SCSS

$custom: #5b64cc;
$custom-light: #9290dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b64cc",
  "rgb": {
    "r": 91,
    "g": 100,
    "b": 204
  },
  "hsl": {
    "h": 235.221,
    "s": 52.558,
    "l": 57.843
  },
  "oklch": {
    "l": 0.54973,
    "c": 0.15883,
    "h": 276.1
  },
  "luminance": 0.15698
}

Semantic roles & 50–950 ramp

primary

#5B64CC

secondary

#D8D4AB

accent

#D04CDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #5B64CC

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

Preview Lab → · Contrast checker → · Palette generator →