#5573EF#5573EF

#5573EF is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.9% C 0.189 H 269.7°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#5573EF
RGB	rgb(85, 115, 239)
HSL	hsl(228, 83%, 64%)
HSV	hsv(228, 64%, 94%)
CMYK	cmyk(64.4%, 51.9%, 0%, 6.3%)
CIE-LAB	lab(52.31, 27.83, -65.83)
CIE-LCH	lch(52.31, 71.47, 292.92°)
OKLab	oklab(59.93% -0.0011 -0.189)
OKLCH	oklch(59.93% 0.189 269.7)
XYZ	xyz(25.4517, 20.4224, 84.2453)
Luminance	0.2042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5573EF #EFD155

analogous

#55C0EF #5573EF #8455EF

triadic

#5573EF #EF5573 #73EF55

tetradic

#5573EF #EF55C0 #EFD155 #55EF84

square

#5573EF #EF55C0 #EFD155 #55EF84

split-complementary

#5573EF #EF8455 #C0EF55

monochromatic

#1132B8 #1D45EA #5573EF #8DA1F4 #C5CFFA

Accessibility & contrast

On white

4.13

#5573EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#5573EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5573EF

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5573EF	#FFFFFF	#000000	##000000
##5573EF	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2484F3

Deuteranopia (green-blind)

#0076EC

Tritanopia (blue-blind)

#0090A6

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5573ef;
/* rgb */ color: rgb(85, 115, 239);
/* oklch */ color: oklch(59.9% 0.189 269.7);

Tailwind

colors: {
  custom: {
    50: '#949af5',
    500: '#5573ef',
    950: '#000000',
  },
}

SCSS

$custom: #5573ef;
$custom-light: #949af5;
$custom-dark: #000000;

JSON

{
  "hex": "#5573ef",
  "rgb": {
    "r": 85,
    "g": 115,
    "b": 239
  },
  "hsl": {
    "h": 228.312,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.5993,
    "c": 0.18898,
    "h": 269.7
  },
  "luminance": 0.20425
}

Semantic roles & 50–950 ramp

primary

#5573EF

secondary

#EBE1B5

accent

#B506DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5573EF

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

Preview Lab → · Contrast checker → · Palette generator →