#5373EF#5373EF

#5373EF is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.8% C 0.190 H 269.1°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#5373EF
RGB	rgb(83, 115, 239)
HSL	hsl(228, 83%, 63%)
HSV	hsv(228, 65%, 94%)
CMYK	cmyk(65.3%, 51.9%, 0%, 6.3%)
CIE-LAB	lab(52.21, 27.52, -66.00)
CIE-LCH	lch(52.21, 71.51, 292.63°)
OKLab	oklab(59.83% -0.003 -0.1895)
OKLCH	oklch(59.83% 0.19 269.1)
XYZ	xyz(25.2727, 20.3301, 84.2369)
Luminance	0.2033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5373EF #EFCF53

analogous

#53C1EF #5373EF #8153EF

triadic

#5373EF #EF5373 #73EF53

tetradic

#5373EF #EF53C1 #EFCF53 #53EF81

square

#5373EF #EF53C1 #EFCF53 #53EF81

split-complementary

#5373EF #EF8153 #C1EF53

monochromatic

#1133B7 #1B45EA #5373EF #8BA1F4 #C3CEF9

Accessibility & contrast

On white

4.14

#5373EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#5373EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5373EF

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5373EF	#FFFFFF	#000000	##000000
##5373EF	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2384F3

Deuteranopia (green-blind)

#0076EC

Tritanopia (blue-blind)

#0090A6

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5373ef;
/* rgb */ color: rgb(83, 115, 239);
/* oklch */ color: oklch(59.8% 0.190 269.1);

Tailwind

colors: {
  custom: {
    50: '#939af5',
    500: '#5373ef',
    950: '#000000',
  },
}

SCSS

$custom: #5373ef;
$custom-light: #939af5;
$custom-dark: #000000;

JSON

{
  "hex": "#5373ef",
  "rgb": {
    "r": 83,
    "g": 115,
    "b": 239
  },
  "hsl": {
    "h": 227.692,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.59825,
    "c": 0.18955,
    "h": 269.1
  },
  "luminance": 0.20332
}

Semantic roles & 50–950 ramp

primary

#5373EF

secondary

#EBDFB3

accent

#B306DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5373EF

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

Preview Lab → · Contrast checker → · Palette generator →