#539BF5#539BF5

#539BF5 is a light, vivid cyan. Relative luminance 0.319; OKLCH L 68.4% C 0.152 H 255.1°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#539BF5
RGB	rgb(83, 155, 245)
HSL	hsl(213, 89%, 64%)
HSV	hsv(213, 66%, 96%)
CMYK	cmyk(66.1%, 36.7%, 0%, 3.9%)
CIE-LAB	lab(63.24, 5.44, -51.67)
CIE-LCH	lch(63.24, 51.96, 276.01°)
OKLab	oklab(68.41% -0.039 -0.1469)
OKLCH	oklch(68.41% 0.152 255.1)
XYZ	xyz(31.7641, 31.8710, 90.8462)
Luminance	0.3187 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BF5 #F5AD53

analogous

#53ECF5 #539BF5 #5C53F5

triadic

#539BF5 #F5539B #9BF553

tetradic

#539BF5 #F553EC #F5AD53 #53F55C

square

#539BF5 #F553EC #F5AD53 #53F55C

split-complementary

#539BF5 #F55C53 #ECF553

monochromatic

#0B5DC2 #1979F2 #539BF5 #8DBDF8 #C7DEFC

Accessibility & contrast

On white

2.85

#539BF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#539BF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539BF5

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BF5	#FFFFFF	#000000	##000000
##539BF5	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#73A1F9

Deuteranopia (green-blind)

#5B92F3

Tritanopia (blue-blind)

#00B0BC

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #539bf5;
/* rgb */ color: rgb(83, 155, 245);
/* oklch */ color: oklch(68.4% 0.152 255.1);

Tailwind

colors: {
  custom: {
    50: '#93b8f9',
    500: '#539bf5',
    950: '#000000',
  },
}

SCSS

$custom: #539bf5;
$custom-light: #93b8f9;
$custom-dark: #000000;

JSON

{
  "hex": "#539bf5",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 245
  },
  "hsl": {
    "h": 213.333,
    "s": 89.011,
    "l": 64.314
  },
  "oklch": {
    "l": 0.68412,
    "c": 0.15196,
    "h": 255.1
  },
  "luminance": 0.31874
}

Semantic roles & 50–950 ramp

primary

#539BF5

secondary

#EED5B6

accent

#7F00E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #539BF5

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

Preview Lab → · Contrast checker → · Palette generator →