#5B73E5#5B73E5

#5B73E5 is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.6% C 0.174 H 271.3°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#5B73E5
RGB	rgb(91, 115, 229)
HSL	hsl(230, 73%, 63%)
HSV	hsv(230, 60%, 90%)
CMYK	cmyk(60.3%, 49.8%, 0%, 10.2%)
CIE-LAB	lab(52.00, 25.48, -60.72)
CIE-LCH	lch(52.00, 65.85, 292.77°)
OKLab	oklab(59.57% 0.0039 -0.1738)
OKLCH	oklch(59.57% 0.174 271.3)
XYZ	xyz(24.5833, 20.1407, 76.7056)
Luminance	0.2014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B73E5 #E5CD5B

analogous

#5BB8E5 #5B73E5 #885BE5

triadic

#5B73E5 #E55B73 #73E55B

tetradic

#5B73E5 #E55BB8 #E5CD5B #5BE588

square

#5B73E5 #E55BB8 #E5CD5B #5BE588

split-complementary

#5B73E5 #E5885B #B8E55B

monochromatic

#1B34AB #2646DD #5B73E5 #90A0ED #C5CDF6

Accessibility & contrast

On white

4.18

#5B73E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#5B73E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B73E5

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B73E5	#FFFFFF	#000000	##000000
##5B73E5	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3582E9

Deuteranopia (green-blind)

#1576E3

Tritanopia (blue-blind)

#008DA1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5b73e5;
/* rgb */ color: rgb(91, 115, 229);
/* oklch */ color: oklch(59.6% 0.174 271.3);

Tailwind

colors: {
  custom: {
    50: '#959aee',
    500: '#5b73e5',
    950: '#000000',
  },
}

SCSS

$custom: #5b73e5;
$custom-light: #959aee;
$custom-dark: #000000;

JSON

{
  "hex": "#5b73e5",
  "rgb": {
    "r": 91,
    "g": 115,
    "b": 229
  },
  "hsl": {
    "h": 229.565,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.59574,
    "c": 0.17387,
    "h": 271.3
  },
  "luminance": 0.20143
}

Semantic roles & 50–950 ramp

primary

#5B73E5

secondary

#E7DEB5

accent

#B311D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5B73E5

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

Preview Lab → · Contrast checker → · Palette generator →