#539AF0#539AF0

#539AF0 is a light, vivid cyan. Relative luminance 0.312; OKLCH L 67.9% C 0.147 H 254.5°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#539AF0
RGB	rgb(83, 154, 240)
HSL	hsl(213, 84%, 63%)
HSV	hsv(213, 65%, 94%)
CMYK	cmyk(65.4%, 35.8%, 0%, 5.9%)
CIE-LAB	lab(62.71, 4.34, -49.76)
CIE-LCH	lch(62.71, 49.95, 274.98°)
OKLab	oklab(67.92% -0.0392 -0.1413)
OKLCH	oklch(67.92% 0.147 254.5)
XYZ	xyz(30.8453, 31.2384, 86.8252)
Luminance	0.3124 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539AF0 #F0A953

analogous

#53E9F0 #539AF0 #5A53F0

triadic

#539AF0 #F0539A #9AF053

tetradic

#539AF0 #F053E9 #F0A953 #53F05A

square

#539AF0 #F053E9 #F0A953 #53F05A

split-complementary

#539AF0 #F05A53 #E9F053

monochromatic

#105CB9 #1B79EB #539AF0 #8BBBF5 #C4DCFA

Accessibility & contrast

On white

2.90

#539AF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#539AF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539AF0

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539AF0	#FFFFFF	#000000	##000000
##539AF0	1.00	2.90	7.25	7.25
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74A0F4

Deuteranopia (green-blind)

#5E91EE

Tritanopia (blue-blind)

#00AEBA

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #539af0;
/* rgb */ color: rgb(83, 154, 240);
/* oklch */ color: oklch(67.9% 0.147 254.5);

Tailwind

colors: {
  custom: {
    50: '#92b7f5',
    500: '#539af0',
    950: '#000000',
  },
}

SCSS

$custom: #539af0;
$custom-light: #92b7f5;
$custom-dark: #000000;

JSON

{
  "hex": "#539af0",
  "rgb": {
    "r": 83,
    "g": 154,
    "b": 240
  },
  "hsl": {
    "h": 212.866,
    "s": 83.957,
    "l": 63.333
  },
  "oklch": {
    "l": 0.67918,
    "c": 0.14665,
    "h": 254.5
  },
  "luminance": 0.31241
}

Semantic roles & 50–950 ramp

primary

#539AF0

secondary

#EBD2B3

accent

#7D05E0

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #539AF0

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

Preview Lab → · Contrast checker → · Palette generator →