#5B73EC#5B73EC

#5B73EC is a mid, vivid blue. Relative luminance 0.205; OKLCH L 60.1% C 0.183 H 271.4°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#5B73EC
RGB	rgb(91, 115, 236)
HSL	hsl(230, 79%, 64%)
HSV	hsv(230, 61%, 93%)
CMYK	cmyk(61.4%, 51.3%, 0%, 7.5%)
CIE-LAB	lab(52.44, 27.81, -63.93)
CIE-LCH	lch(52.44, 69.71, 293.51°)
OKLab	oklab(60.05% 0.0045 -0.1832)
OKLCH	oklch(60.05% 0.183 271.4)
XYZ	xyz(25.5804, 20.5396, 81.9571)
Luminance	0.2054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B73EC #ECD45B

analogous

#5BBCEC #5B73EC #8C5BEC

triadic

#5B73EC #EC5B73 #73EC5B

tetradic

#5B73EC #EC5BBC #ECD45B #5BEC8C

square

#5B73EC #EC5BBC #ECD45B #5BEC8C

split-complementary

#5B73EC #EC8C5B #BCEC5B

monochromatic

#1530B7 #2444E6 #5B73EC #92A2F2 #C9D1F9

Accessibility & contrast

On white

4.11

#5B73EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#5B73EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B73EC

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B73EC	#FFFFFF	#000000	##000000
##5B73EC	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B84F0

Deuteranopia (green-blind)

#0077EA

Tritanopia (blue-blind)

#008FA5

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5b73ec;
/* rgb */ color: rgb(91, 115, 236);
/* oklch */ color: oklch(60.1% 0.183 271.4);

Tailwind

colors: {
  custom: {
    50: '#969bf3',
    500: '#5b73ec',
    950: '#000000',
  },
}

SCSS

$custom: #5b73ec;
$custom-light: #969bf3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b73ec",
  "rgb": {
    "r": 91,
    "g": 115,
    "b": 236
  },
  "hsl": {
    "h": 230.069,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.60053,
    "c": 0.1833,
    "h": 271.4
  },
  "luminance": 0.20542
}

Semantic roles & 50–950 ramp

primary

#5B73EC

secondary

#EBE2B8

accent

#B90ADC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E17

muted

#7E7E85

Preview Lab

Preview with #5B73EC

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

Preview Lab → · Contrast checker → · Palette generator →