#5B64CF#5B64CF

#5B64CF is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.2% C 0.163 H 276.1°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#5B64CF
RGB	rgb(91, 100, 207)
HSL	hsl(235, 55%, 58%)
HSV	hsv(235, 56%, 81%)
CMYK	cmyk(56%, 51.7%, 0%, 18.8%)
CIE-LAB	lab(46.77, 27.49, -56.67)
CIE-LCH	lch(46.77, 62.99, 295.88°)
OKLab	oklab(55.18% 0.0172 -0.1621)
OKLCH	oklch(55.18% 0.163 276.1)
XYZ	xyz(20.1304, 15.8421, 61.0164)
Luminance	0.1584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B64CF #CFC65B

analogous

#5B9ECF #5B64CF #8C5BCF

triadic

#5B64CF #CF5B64 #64CF5B

tetradic

#5B64CF #CF5B9E #CFC65B #5BCF8C

square

#5B64CF #CF5B9E #CFC65B #5BCF8C

split-complementary

#5B64CF #CF8C5B #9ECF5B

monochromatic

#282F88 #3640B7 #5B64CF #8A91DD #BABDEB

Accessibility & contrast

On white

5.04

#5B64CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#5B64CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B64CF

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B64CF	#FFFFFF	#000000	##FFFFFF
##5B64CF	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2974D3

Deuteranopia (green-blind)

#126ACD

Tritanopia (blue-blind)

#197C90

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5b64cf;
/* rgb */ color: rgb(91, 100, 207);
/* oklch */ color: oklch(55.2% 0.163 276.1);

Tailwind

colors: {
  custom: {
    50: '#9290de',
    500: '#5b64cf',
    950: '#000000',
  },
}

SCSS

$custom: #5b64cf;
$custom-light: #9290de;
$custom-dark: #000000;

JSON

{
  "hex": "#5b64cf",
  "rgb": {
    "r": 91,
    "g": 100,
    "b": 207
  },
  "hsl": {
    "h": 235.345,
    "s": 54.717,
    "l": 58.431
  },
  "oklch": {
    "l": 0.5518,
    "c": 0.16298,
    "h": 276.1
  },
  "luminance": 0.15843
}

Semantic roles & 50–950 ramp

primary

#5B64CF

secondary

#DAD6AC

accent

#D34ADE

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #5B64CF

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

Preview Lab → · Contrast checker → · Palette generator →