#5B73E4#5B73E4

#5B73E4 is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.5% C 0.173 H 271.2°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#5B73E4
RGB	rgb(91, 115, 228)
HSL	hsl(229, 72%, 63%)
HSV	hsv(229, 60%, 89%)
CMYK	cmyk(60.1%, 49.6%, 0%, 10.6%)
CIE-LAB	lab(51.93, 25.15, -60.26)
CIE-LCH	lch(51.93, 65.30, 292.65°)
OKLab	oklab(59.51% 0.0038 -0.1725)
OKLCH	oklch(59.51% 0.173 271.2)
XYZ	xyz(24.4440, 20.0851, 75.9724)
Luminance	0.2009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B73E4 #E4CC5B

analogous

#5BB8E4 #5B73E4 #875BE4

triadic

#5B73E4 #E45B73 #73E45B

tetradic

#5B73E4 #E45BB8 #E4CC5B #5BE487

square

#5B73E4 #E45BB8 #E4CC5B #5BE487

split-complementary

#5B73E4 #E4875B #B8E45B

monochromatic

#1C34A9 #2646DB #5B73E4 #90A0ED #C4CDF5

Accessibility & contrast

On white

4.19

#5B73E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#5B73E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B73E4

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B73E4	#FFFFFF	#000000	##000000
##5B73E4	1.00	4.19	5.02	5.02
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3682E8

Deuteranopia (green-blind)

#1876E2

Tritanopia (blue-blind)

#008DA1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5b73e4;
/* rgb */ color: rgb(91, 115, 228);
/* oklch */ color: oklch(59.5% 0.173 271.2);

Tailwind

colors: {
  custom: {
    50: '#959aed',
    500: '#5b73e4',
    950: '#000000',
  },
}

SCSS

$custom: #5b73e4;
$custom-light: #959aed;
$custom-dark: #000000;

JSON

{
  "hex": "#5b73e4",
  "rgb": {
    "r": 91,
    "g": 115,
    "b": 228
  },
  "hsl": {
    "h": 229.489,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.59506,
    "c": 0.17252,
    "h": 271.2
  },
  "luminance": 0.20087
}

Semantic roles & 50–950 ramp

primary

#5B73E4

secondary

#E6DEB4

accent

#B212D4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5B73E4

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

Preview Lab → · Contrast checker → · Palette generator →