#539DF4#539DF4

#539DF4 is a light, vivid cyan. Relative luminance 0.325; OKLCH L 68.8% C 0.149 H 253.9°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#539DF4
RGB	rgb(83, 157, 244)
HSL	hsl(212, 88%, 64%)
HSV	hsv(212, 66%, 96%)
CMYK	cmyk(66%, 35.7%, 0%, 4.3%)
CIE-LAB	lab(63.74, 3.94, -50.33)
CIE-LCH	lch(63.74, 50.48, 274.48°)
OKLab	oklab(68.79% -0.0412 -0.1429)
OKLCH	oklch(68.79% 0.149 253.9)
XYZ	xyz(31.9474, 32.4814, 90.1563)
Luminance	0.3249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539DF4 #F4AA53

analogous

#53EEF4 #539DF4 #5A53F4

triadic

#539DF4 #F4539D #9DF453

tetradic

#539DF4 #F453EE #F4AA53 #53F45A

square

#539DF4 #F453EE #F4AA53 #53F45A

split-complementary

#539DF4 #F45A53 #EEF453

monochromatic

#0C5FC0 #197CF0 #539DF4 #8DBEF8 #C6DFFB

Accessibility & contrast

On white

2.80

#539DF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#539DF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539DF4

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539DF4	#FFFFFF	#000000	##000000
##539DF4	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76A3F8

Deuteranopia (green-blind)

#6093F2

Tritanopia (blue-blind)

#00B1BD

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #539df4;
/* rgb */ color: rgb(83, 157, 244);
/* oklch */ color: oklch(68.8% 0.149 253.9);

Tailwind

colors: {
  custom: {
    50: '#93b9f8',
    500: '#539df4',
    950: '#000000',
  },
}

SCSS

$custom: #539df4;
$custom-light: #93b9f8;
$custom-dark: #000000;

JSON

{
  "hex": "#539df4",
  "rgb": {
    "r": 83,
    "g": 157,
    "b": 244
  },
  "hsl": {
    "h": 212.422,
    "s": 87.978,
    "l": 64.118
  },
  "oklch": {
    "l": 0.68788,
    "c": 0.14872,
    "h": 253.9
  },
  "luminance": 0.32485
}

Semantic roles & 50–950 ramp

primary

#539DF4

secondary

#EDD4B5

accent

#7C01E5

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #539DF4

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

Preview Lab → · Contrast checker → · Palette generator →