#5381EF#5381EF

#5381EF is a light, vivid blue. Relative luminance 0.238; OKLCH L 62.6% C 0.173 H 264.8°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#5381EF
RGB	rgb(83, 129, 239)
HSL	hsl(222, 83%, 63%)
HSV	hsv(222, 65%, 94%)
CMYK	cmyk(65.3%, 46%, 0%, 6.3%)
CIE-LAB	lab(55.86, 18.93, -60.13)
CIE-LCH	lch(55.86, 63.04, 287.47°)
OKLab	oklab(62.6% -0.0157 -0.1721)
OKLCH	oklch(62.6% 0.173 264.8)
XYZ	xyz(26.9921, 23.7689, 84.8100)
Luminance	0.2377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5381EF #EFC153

analogous

#53CFEF #5381EF #7353EF

triadic

#5381EF #EF5381 #81EF53

tetradic

#5381EF #EF53CF #EFC153 #53EF73

square

#5381EF #EF53CF #EFC153 #53EF73

split-complementary

#5381EF #EF7353 #CFEF53

monochromatic

#1142B7 #1B58EA #5381EF #8BAAF4 #C3D3F9

Accessibility & contrast

On white

3.65

#5381EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#5381EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5381EF

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5381EF	#FFFFFF	#000000	##000000
##5381EF	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#498DF3

Deuteranopia (green-blind)

#2B7FED

Tritanopia (blue-blind)

#009AAC

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5381ef;
/* rgb */ color: rgb(83, 129, 239);
/* oklch */ color: oklch(62.6% 0.173 264.8);

Tailwind

colors: {
  custom: {
    50: '#92a5f5',
    500: '#5381ef',
    950: '#000000',
  },
}

SCSS

$custom: #5381ef;
$custom-light: #92a5f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5381ef",
  "rgb": {
    "r": 83,
    "g": 129,
    "b": 239
  },
  "hsl": {
    "h": 222.308,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.62599,
    "c": 0.17277,
    "h": 264.8
  },
  "luminance": 0.23772
}

Semantic roles & 50–950 ramp

primary

#5381EF

secondary

#EBDAB3

accent

#9F06DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5381EF

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

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