#539DF0#539DF0

#539DF0 is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.6% C 0.144 H 252.9°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#539DF0
RGB	rgb(83, 157, 240)
HSL	hsl(212, 84%, 63%)
HSV	hsv(212, 65%, 94%)
CMYK	cmyk(65.4%, 34.6%, 0%, 5.9%)
CIE-LAB	lab(63.54, 2.60, -48.44)
CIE-LCH	lch(63.54, 48.51, 273.07°)
OKLab	oklab(68.57% -0.0422 -0.1374)
OKLCH	oklch(68.57% 0.144 252.9)
XYZ	xyz(31.3467, 32.2411, 86.9923)
Luminance	0.3224 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539DF0 #F0A653

analogous

#53EBF0 #539DF0 #5753F0

triadic

#539DF0 #F0539D #9DF053

tetradic

#539DF0 #F053EB #F0A653 #53F057

square

#539DF0 #F053EB #F0A653 #53F057

split-complementary

#539DF0 #F05753 #EBF053

monochromatic

#105FB9 #1B7DEB #539DF0 #8BBDF5 #C4DDFA

Accessibility & contrast

On white

2.82

#539DF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#539DF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539DF0

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539DF0	#FFFFFF	#000000	##000000
##539DF0	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A2F3

Deuteranopia (green-blind)

#6293EE

Tritanopia (blue-blind)

#00B0BB

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #539df0;
/* rgb */ color: rgb(83, 157, 240);
/* oklch */ color: oklch(68.6% 0.144 252.9);

Tailwind

colors: {
  custom: {
    50: '#92b9f5',
    500: '#539df0',
    950: '#000000',
  },
}

SCSS

$custom: #539df0;
$custom-light: #92b9f5;
$custom-dark: #000000;

JSON

{
  "hex": "#539df0",
  "rgb": {
    "r": 83,
    "g": 157,
    "b": 240
  },
  "hsl": {
    "h": 211.72,
    "s": 83.957,
    "l": 63.333
  },
  "oklch": {
    "l": 0.6857,
    "c": 0.14374,
    "h": 252.9
  },
  "luminance": 0.32244
}

Semantic roles & 50–950 ramp

primary

#539DF0

secondary

#EBD1B3

accent

#7905E0

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #539DF0

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

Preview Lab → · Contrast checker → · Palette generator →