#5B73DC#5B73DC

#5B73DC is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.0% C 0.162 H 271.0°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#5B73DC
RGB	rgb(91, 115, 220)
HSL	hsl(229, 65%, 61%)
HSV	hsv(229, 59%, 86%)
CMYK	cmyk(58.6%, 47.7%, 0%, 13.7%)
CIE-LAB	lab(51.44, 22.50, -56.55)
CIE-LCH	lch(51.44, 60.86, 291.70°)
OKLab	oklab(58.97% 0.0029 -0.1615)
OKLCH	oklch(58.97% 0.162 271)
XYZ	xyz(23.3591, 19.6511, 70.2584)
Luminance	0.1965 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B73DC #DCC45B

analogous

#5BB3DC #5B73DC #835BDC

triadic

#5B73DC #DC5B73 #73DC5B

tetradic

#5B73DC #DC5BB3 #DCC45B #5BDC83

square

#5B73DC #DC5BB3 #DCC45B #5BDC83

split-complementary

#5B73DC #DC835B #B3DC5B

monochromatic

#21389B #2C4ACE #5B73DC #8D9EE7 #C0C9F2

Accessibility & contrast

On white

4.26

#5B73DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#5B73DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B73DC

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B73DC	#FFFFFF	#000000	##000000
##5B73DC	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F81E0

Deuteranopia (green-blind)

#2A75DA

Tritanopia (blue-blind)

#008B9D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5b73dc;
/* rgb */ color: rgb(91, 115, 220);
/* oklch */ color: oklch(59.0% 0.162 271.0);

Tailwind

colors: {
  custom: {
    50: '#949ae7',
    500: '#5b73dc',
    950: '#000000',
  },
}

SCSS

$custom: #5b73dc;
$custom-light: #949ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b73dc",
  "rgb": {
    "r": 91,
    "g": 115,
    "b": 220
  },
  "hsl": {
    "h": 228.837,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.58974,
    "c": 0.16158,
    "h": 271
  },
  "luminance": 0.19653
}

Semantic roles & 50–950 ramp

primary

#5B73DC

secondary

#E2D9B1

accent

#AB19CD

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5B73DC

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

Preview Lab → · Contrast checker → · Palette generator →