#539DE4#539DE4

#539DE4 is a light, vivid cyan. Relative luminance 0.316; OKLCH L 67.9% C 0.129 H 249.4°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#539DE4
RGB	rgb(83, 157, 228)
HSL	hsl(209, 73%, 61%)
HSV	hsv(209, 64%, 89%)
CMYK	cmyk(63.6%, 31.1%, 0%, 10.6%)
CIE-LAB	lab(62.97, -1.39, -42.73)
CIE-LCH	lch(62.97, 42.75, 268.14°)
OKLab	oklab(67.94% -0.0454 -0.1208)
OKLCH	oklch(67.94% 0.129 249.4)
XYZ	xyz(29.6227, 31.5515, 77.9127)
Luminance	0.3155 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539DE4 #E49A53

analogous

#53E4E2 #539DE4 #5354E4

triadic

#539DE4 #E4539D #9DE453

tetradic

#539DE4 #E253E4 #E49A53 #54E453

square

#539DE4 #E253E4 #E49A53 #54E453

split-complementary

#539DE4 #E45354 #E4E253

monochromatic

#1A60A3 #227FD8 #539DE4 #88BBEC #BDD9F5

Accessibility & contrast

On white

2.87

#539DE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#539DE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539DE4

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539DE4	#FFFFFF	#000000	##000000
##539DE4	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA0E7

Deuteranopia (green-blind)

#6A92E3

Tritanopia (blue-blind)

#00AEB6

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #539de4;
/* rgb */ color: rgb(83, 157, 228);
/* oklch */ color: oklch(67.9% 0.129 249.4);

Tailwind

colors: {
  custom: {
    50: '#90b9ed',
    500: '#539de4',
    950: '#000000',
  },
}

SCSS

$custom: #539de4;
$custom-light: #90b9ed;
$custom-dark: #000000;

JSON

{
  "hex": "#539de4",
  "rgb": {
    "r": 83,
    "g": 157,
    "b": 228
  },
  "hsl": {
    "h": 209.379,
    "s": 72.864,
    "l": 60.98
  },
  "oklch": {
    "l": 0.67935,
    "c": 0.12901,
    "h": 249.4
  },
  "luminance": 0.31554
}

Semantic roles & 50–950 ramp

primary

#539DE4

secondary

#E5C9AE

accent

#7111D5

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #539DE4

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

Preview Lab → · Contrast checker → · Palette generator →