#539BEF#539BEF

#539BEF is a light, vivid cyan. Relative luminance 0.315; OKLCH L 68.1% C 0.144 H 253.7°. Best body text is #000000 at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#539BEF
RGB	rgb(83, 155, 239)
HSL	hsl(212, 83%, 63%)
HSV	hsv(212, 65%, 94%)
CMYK	cmyk(65.3%, 35.1%, 0%, 6.3%)
CIE-LAB	lab(62.94, 3.42, -48.85)
CIE-LCH	lch(62.94, 48.97, 274.01°)
OKLab	oklab(68.08% -0.0405 -0.1386)
OKLCH	oklch(68.08% 0.144 253.7)
XYZ	xyz(30.8629, 31.5106, 86.1003)
Luminance	0.3151 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BEF #EFA753

analogous

#53E9EF #539BEF #5953EF

triadic

#539BEF #EF539B #9BEF53

tetradic

#539BEF #EF53E9 #EFA753 #53EF59

square

#539BEF #EF53E9 #EFA753 #53EF59

split-complementary

#539BEF #EF5953 #E9EF53

monochromatic

#115DB7 #1B7AEA #539BEF #8BBCF4 #C3DCF9

Accessibility & contrast

On white

2.88

#539BEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.30

#539BEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539BEF

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BEF	#FFFFFF	#000000	##000000
##539BEF	1.00	2.88	7.30	7.30
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.30	21.00	1.00	1.00
##000000	7.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76A0F2

Deuteranopia (green-blind)

#6092ED

Tritanopia (blue-blind)

#00AEBA

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #539bef;
/* rgb */ color: rgb(83, 155, 239);
/* oklch */ color: oklch(68.1% 0.144 253.7);

Tailwind

colors: {
  custom: {
    50: '#92b8f4',
    500: '#539bef',
    950: '#000000',
  },
}

SCSS

$custom: #539bef;
$custom-light: #92b8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#539bef",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 239
  },
  "hsl": {
    "h": 212.308,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.6808,
    "c": 0.14441,
    "h": 253.7
  },
  "luminance": 0.31514
}

Semantic roles & 50–950 ramp

primary

#539BEF

secondary

#EBD1B3

accent

#7B06DF

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #539BEF

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

Preview Lab → · Contrast checker → · Palette generator →