#539BDC#539BDC

#539BDC is a light, vivid cyan. Relative luminance 0.304; OKLCH L 67.1% C 0.121 H 247.9°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#539BDC
RGB	rgb(83, 155, 220)
HSL	hsl(208, 66%, 59%)
HSV	hsv(208, 62%, 86%)
CMYK	cmyk(62.3%, 29.5%, 0%, 13.7%)
CIE-LAB	lab(62.04, -2.88, -39.77)
CIE-LCH	lch(62.04, 39.87, 265.86°)
OKLab	oklab(67.08% -0.0457 -0.1122)
OKLCH	oklch(67.08% 0.121 247.9)
XYZ	xyz(28.2021, 30.4463, 72.0867)
Luminance	0.3045 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BDC #DC9453

analogous

#53DCD9 #539BDC #5357DC

triadic

#539BDC #DC539B #9BDC53

tetradic

#539BDC #D953DC #DC9453 #57DC53

square

#539BDC #D953DC #DC9453 #57DC53

split-complementary

#539BDC #DC5357 #DCD953

monochromatic

#1F5D96 #297DC9 #539BDC #86B9E6 #B9D6F1

Accessibility & contrast

On white

2.96

#539BDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.09

#539BDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539BDC

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BDC	#FFFFFF	#000000	##000000
##539BDC	1.00	2.96	7.09	7.09
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.09	21.00	1.00	1.00
##000000	7.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F9DDF

Deuteranopia (green-blind)

#6C90DB

Tritanopia (blue-blind)

#00AAB2

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #539bdc;
/* rgb */ color: rgb(83, 155, 220);
/* oklch */ color: oklch(67.1% 0.121 247.9);

Tailwind

colors: {
  custom: {
    50: '#8fb8e7',
    500: '#539bdc',
    950: '#000000',
  },
}

SCSS

$custom: #539bdc;
$custom-light: #8fb8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#539bdc",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 220
  },
  "hsl": {
    "h": 208.467,
    "s": 66.184,
    "l": 59.412
  },
  "oklch": {
    "l": 0.6708,
    "c": 0.12109,
    "h": 247.9
  },
  "luminance": 0.30449
}

Semantic roles & 50–950 ramp

primary

#539BDC

secondary

#E0C4AB

accent

#903FE9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #539BDC

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

Preview Lab → · Contrast checker → · Palette generator →