#539EE4#539EE4

#539EE4 is a light, vivid cyan. Relative luminance 0.319; OKLCH L 68.2% C 0.128 H 248.8°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#539EE4
RGB	rgb(83, 158, 228)
HSL	hsl(209, 73%, 61%)
HSV	hsv(209, 64%, 89%)
CMYK	cmyk(63.6%, 30.7%, 0%, 10.6%)
CIE-LAB	lab(63.25, -1.96, -42.29)
CIE-LCH	lch(63.25, 42.33, 267.34°)
OKLab	oklab(68.16% -0.0464 -0.1195)
OKLCH	oklch(68.16% 0.128 248.8)
XYZ	xyz(29.7926, 31.8912, 77.9693)
Luminance	0.3189 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539EE4 #E49953

analogous

#53E4E2 #539EE4 #5355E4

triadic

#539EE4 #E4539E #9EE453

tetradic

#539EE4 #E253E4 #E49953 #55E453

square

#539EE4 #E253E4 #E49953 #55E453

split-complementary

#539EE4 #E45355 #E4E253

monochromatic

#1A61A3 #2280D8 #539EE4 #88BCEC #BDDAF5

Accessibility & contrast

On white

2.85

#539EE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.38

#539EE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539EE4

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539EE4	#FFFFFF	#000000	##000000
##539EE4	1.00	2.85	7.38	7.38
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.38	21.00	1.00	1.00
##000000	7.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80A1E7

Deuteranopia (green-blind)

#6C93E3

Tritanopia (blue-blind)

#00AFB7

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #539ee4;
/* rgb */ color: rgb(83, 158, 228);
/* oklch */ color: oklch(68.2% 0.128 248.8);

Tailwind

colors: {
  custom: {
    50: '#90baed',
    500: '#539ee4',
    950: '#000000',
  },
}

SCSS

$custom: #539ee4;
$custom-light: #90baed;
$custom-dark: #000000;

JSON

{
  "hex": "#539ee4",
  "rgb": {
    "r": 83,
    "g": 158,
    "b": 228
  },
  "hsl": {
    "h": 208.966,
    "s": 72.864,
    "l": 60.98
  },
  "oklch": {
    "l": 0.68157,
    "c": 0.12816,
    "h": 248.8
  },
  "luminance": 0.31894
}

Semantic roles & 50–950 ramp

primary

#539EE4

secondary

#E5C8AE

accent

#6F11D5

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #539EE4

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

Preview Lab → · Contrast checker → · Palette generator →