#5B64E9#5B64E9

#5B64E9 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 57.1% C 0.198 H 275.3°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#5B64E9
RGB	rgb(91, 100, 233)
HSL	hsl(236, 76%, 64%)
HSV	hsv(236, 61%, 91%)
CMYK	cmyk(60.9%, 57.1%, 0%, 8.6%)
CIE-LAB	lab(48.54, 35.98, -68.57)
CIE-LCH	lch(48.54, 77.43, 297.69°)
OKLab	oklab(57.06% 0.0182 -0.1971)
OKLCH	oklch(57.06% 0.198 275.3)
XYZ	xyz(23.5747, 17.2198, 79.1564)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B64E9 #E9E05B

analogous

#5BABE9 #5B64E9 #995BE9

triadic

#5B64E9 #E95B64 #64E95B

tetradic

#5B64E9 #E95BAB #E9E05B #5BE999

square

#5B64E9 #E95BAB #E9E05B #5BE999

split-complementary

#5B64E9 #E9995B #ABE95B

monochromatic

#1822B2 #2531E2 #5B64E9 #9197F0 #C7CAF7

Accessibility & contrast

On white

4.73

#5B64E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#5B64E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B64E9

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B64E9	#FFFFFF	#000000	##FFFFFF
##5B64E9	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AED

Deuteranopia (green-blind)

#006DE6

Tritanopia (blue-blind)

#00849D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5b64e9;
/* rgb */ color: rgb(91, 100, 233);
/* oklch */ color: oklch(57.1% 0.198 275.3);

Tailwind

colors: {
  custom: {
    50: '#9790f1',
    500: '#5b64e9',
    950: '#000000',
  },
}

SCSS

$custom: #5b64e9;
$custom-light: #9790f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b64e9",
  "rgb": {
    "r": 91,
    "g": 100,
    "b": 233
  },
  "hsl": {
    "h": 236.197,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.57063,
    "c": 0.19789,
    "h": 275.3
  },
  "luminance": 0.17222
}

Semantic roles & 50–950 ramp

primary

#5B64E9

secondary

#E9E6B7

accent

#CC0DD9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C17

muted

#7E7D85

Preview Lab

Preview with #5B64E9

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

Preview Lab → · Contrast checker → · Palette generator →