#5387E4#5387E4

#5387E4 is a light, vivid blue. Relative luminance 0.248; OKLCH L 63.2% C 0.151 H 261.1°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#5387E4
RGB	rgb(83, 135, 228)
HSL	hsl(218, 73%, 61%)
HSV	hsv(218, 64%, 89%)
CMYK	cmyk(63.6%, 40.8%, 0%, 10.6%)
CIE-LAB	lab(56.85, 11.53, -52.42)
CIE-LCH	lch(56.85, 53.67, 282.41°)
OKLab	oklab(63.16% -0.0233 -0.1493)
OKLCH	oklch(63.16% 0.151 261.1)
XYZ	xyz(26.2299, 24.7659, 76.7817)
Luminance	0.2477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5387E4 #E4B053

analogous

#53CFE4 #5387E4 #6753E4

triadic

#5387E4 #E45387 #87E453

tetradic

#5387E4 #E453CF #E4B053 #53E467

square

#5387E4 #E453CF #E4B053 #53E467

split-complementary

#5387E4 #E46753 #CFE453

monochromatic

#1A4BA3 #2263D8 #5387E4 #88ACEC #BDD1F5

Accessibility & contrast

On white

3.53

#5387E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#5387E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5387E4

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5387E4	#FFFFFF	#000000	##000000
##5387E4	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D90E8

Deuteranopia (green-blind)

#4782E2

Tritanopia (blue-blind)

#009CAA

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5387e4;
/* rgb */ color: rgb(83, 135, 228);
/* oklch */ color: oklch(63.2% 0.151 261.1);

Tailwind

colors: {
  custom: {
    50: '#90a9ed',
    500: '#5387e4',
    950: '#000000',
  },
}

SCSS

$custom: #5387e4;
$custom-light: #90a9ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5387e4",
  "rgb": {
    "r": 83,
    "g": 135,
    "b": 228
  },
  "hsl": {
    "h": 218.483,
    "s": 72.864,
    "l": 60.98
  },
  "oklch": {
    "l": 0.63159,
    "c": 0.15114,
    "h": 261.1
  },
  "luminance": 0.24768
}

Semantic roles & 50–950 ramp

primary

#5387E4

secondary

#E5D1AE

accent

#8F11D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5387E4

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

Preview Lab → · Contrast checker → · Palette generator →