#5B73EA#5B73EA

#5B73EA is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.9% C 0.181 H 271.4°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#5B73EA
RGB	rgb(91, 115, 234)
HSL	hsl(230, 77%, 64%)
HSV	hsv(230, 61%, 92%)
CMYK	cmyk(61.1%, 50.9%, 0%, 8.2%)
CIE-LAB	lab(52.31, 27.15, -63.02)
CIE-LCH	lch(52.31, 68.61, 293.31°)
OKLab	oklab(59.92% 0.0043 -0.1806)
OKLCH	oklch(59.92% 0.181 271.4)
XYZ	xyz(25.2914, 20.4240, 80.4354)
Luminance	0.2043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B73EA #EAD25B

analogous

#5BBAEA #5B73EA #8A5BEA

triadic

#5B73EA #EA5B73 #73EA5B

tetradic

#5B73EA #EA5BBA #EAD25B #5BEA8A

square

#5B73EA #EA5BBA #EAD25B #5BEA8A

split-complementary

#5B73EA #EA8A5B #BAEA5B

monochromatic

#1731B4 #2545E3 #5B73EA #91A1F1 #C8D0F8

Accessibility & contrast

On white

4.13

#5B73EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#5B73EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B73EA

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B73EA	#FFFFFF	#000000	##000000
##5B73EA	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E83EE

Deuteranopia (green-blind)

#0077E8

Tritanopia (blue-blind)

#008FA4

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5b73ea;
/* rgb */ color: rgb(91, 115, 234);
/* oklch */ color: oklch(59.9% 0.181 271.4);

Tailwind

colors: {
  custom: {
    50: '#969bf1',
    500: '#5b73ea',
    950: '#000000',
  },
}

SCSS

$custom: #5b73ea;
$custom-light: #969bf1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b73ea",
  "rgb": {
    "r": 91,
    "g": 115,
    "b": 234
  },
  "hsl": {
    "h": 229.93,
    "s": 77.297,
    "l": 63.725
  },
  "oklch": {
    "l": 0.59915,
    "c": 0.18062,
    "h": 271.4
  },
  "luminance": 0.20426
}

Semantic roles & 50–950 ramp

primary

#5B73EA

secondary

#EAE1B7

accent

#B70CDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E17

muted

#7E7E85

Preview Lab

Preview with #5B73EA

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

Preview Lab → · Contrast checker → · Palette generator →