#539FEC#539FEC

#539FEC is a light, vivid cyan. Relative luminance 0.327; OKLCH L 68.8% C 0.137 H 250.7°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#539FEC
RGB	rgb(83, 159, 236)
HSL	hsl(210, 80%, 63%)
HSV	hsv(210, 65%, 93%)
CMYK	cmyk(64.8%, 32.6%, 0%, 7.5%)
CIE-LAB	lab(63.91, 0.11, -45.67)
CIE-LCH	lch(63.91, 45.67, 270.14°)
OKLab	oklab(68.79% -0.0452 -0.1293)
OKLCH	oklch(68.79% 0.137 250.7)
XYZ	xyz(31.1002, 32.6883, 84.0111)
Luminance	0.3269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539FEC #ECA053

analogous

#53ECEC #539FEC #5353EC

triadic

#539FEC #EC539F #9FEC53

tetradic

#539FEC #EC53EC #ECA053 #53EC53

square

#539FEC #EC53EC #ECA053 #53EC53

split-complementary

#539FEC #EC5353 #ECEC53

monochromatic

#1462B1 #1C80E6 #539FEC #8ABEF2 #C1DDF8

Accessibility & contrast

On white

2.79

#539FEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.54

#539FEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539FEC

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539FEC	#FFFFFF	#000000	##000000
##539FEC	1.00	2.79	7.54	7.54
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.54	21.00	1.00	1.00
##000000	7.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7DA3EF

Deuteranopia (green-blind)

#6894EA

Tritanopia (blue-blind)

#00B1BB

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #539fec;
/* rgb */ color: rgb(83, 159, 236);
/* oklch */ color: oklch(68.8% 0.137 250.7);

Tailwind

colors: {
  custom: {
    50: '#92bbf2',
    500: '#539fec',
    950: '#000000',
  },
}

SCSS

$custom: #539fec;
$custom-light: #92bbf2;
$custom-dark: #000000;

JSON

{
  "hex": "#539fec",
  "rgb": {
    "r": 83,
    "g": 159,
    "b": 236
  },
  "hsl": {
    "h": 210.196,
    "s": 80.105,
    "l": 62.549
  },
  "oklch": {
    "l": 0.68793,
    "c": 0.13696,
    "h": 250.7
  },
  "luminance": 0.32691
}

Semantic roles & 50–950 ramp

primary

#539FEC

secondary

#E9CEB2

accent

#7309DC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #539FEC

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

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