#539AEF#539AEF

#539AEF is a light, vivid cyan. Relative luminance 0.312; OKLCH L 67.9% C 0.145 H 254.2°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#539AEF
RGB	rgb(83, 154, 239)
HSL	hsl(213, 83%, 63%)
HSV	hsv(213, 65%, 94%)
CMYK	cmyk(65.3%, 35.6%, 0%, 6.3%)
CIE-LAB	lab(62.66, 4.00, -49.29)
CIE-LCH	lch(62.66, 49.45, 274.64°)
OKLab	oklab(67.86% -0.0395 -0.1399)
OKLCH	oklch(67.86% 0.145 254.2)
XYZ	xyz(30.6972, 31.1791, 86.0450)
Luminance	0.3118 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539AEF #EFA853

analogous

#53E8EF #539AEF #5A53EF

triadic

#539AEF #EF539A #9AEF53

tetradic

#539AEF #EF53E8 #EFA853 #53EF5A

square

#539AEF #EF53E8 #EFA853 #53EF5A

split-complementary

#539AEF #EF5A53 #E8EF53

monochromatic

#115CB7 #1B79EA #539AEF #8BBBF4 #C3DCF9

Accessibility & contrast

On white

2.90

#539AEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.24

#539AEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539AEF

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539AEF	#FFFFFF	#000000	##000000
##539AEF	1.00	2.90	7.24	7.24
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.24	21.00	1.00	1.00
##000000	7.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75A0F3

Deuteranopia (green-blind)

#5E91ED

Tritanopia (blue-blind)

#00AEB9

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #539aef;
/* rgb */ color: rgb(83, 154, 239);
/* oklch */ color: oklch(67.9% 0.145 254.2);

Tailwind

colors: {
  custom: {
    50: '#92b7f4',
    500: '#539aef',
    950: '#000000',
  },
}

SCSS

$custom: #539aef;
$custom-light: #92b7f4;
$custom-dark: #000000;

JSON

{
  "hex": "#539aef",
  "rgb": {
    "r": 83,
    "g": 154,
    "b": 239
  },
  "hsl": {
    "h": 212.692,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.67863,
    "c": 0.14539,
    "h": 254.2
  },
  "luminance": 0.31182
}

Semantic roles & 50–950 ramp

primary

#539AEF

secondary

#EBD1B3

accent

#7C06DF

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #539AEF

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

Preview Lab → · Contrast checker → · Palette generator →