#539FE4#539FE4

#539FE4 is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.4% C 0.127 H 248.1°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#539FE4
RGB	rgb(83, 159, 228)
HSL	hsl(209, 73%, 61%)
HSV	hsv(209, 64%, 89%)
CMYK	cmyk(63.6%, 30.3%, 0%, 10.6%)
CIE-LAB	lab(63.54, -2.53, -41.84)
CIE-LCH	lch(63.54, 41.92, 266.54°)
OKLab	oklab(68.38% -0.0474 -0.1182)
OKLCH	oklch(68.38% 0.127 248.1)
XYZ	xyz(29.9638, 32.2337, 78.0264)
Luminance	0.3224 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539FE4 #E49853

analogous

#53E4E1 #539FE4 #5356E4

triadic

#539FE4 #E4539F #9FE453

tetradic

#539FE4 #E153E4 #E49853 #56E453

square

#539FE4 #E153E4 #E49853 #56E453

split-complementary

#539FE4 #E45356 #E4E153

monochromatic

#1A62A3 #2281D8 #539FE4 #88BDEC #BDDAF5

Accessibility & contrast

On white

2.82

#539FE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#539FE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539FE4

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539FE4	#FFFFFF	#000000	##000000
##539FE4	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)

#81A2E7

Deuteranopia (green-blind)

#6D94E3

Tritanopia (blue-blind)

#00AFB7

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #539fe4;
/* rgb */ color: rgb(83, 159, 228);
/* oklch */ color: oklch(68.4% 0.127 248.1);

Tailwind

colors: {
  custom: {
    50: '#90bbed',
    500: '#539fe4',
    950: '#000000',
  },
}

SCSS

$custom: #539fe4;
$custom-light: #90bbed;
$custom-dark: #000000;

JSON

{
  "hex": "#539fe4",
  "rgb": {
    "r": 83,
    "g": 159,
    "b": 228
  },
  "hsl": {
    "h": 208.552,
    "s": 72.864,
    "l": 60.98
  },
  "oklch": {
    "l": 0.68379,
    "c": 0.12732,
    "h": 248.1
  },
  "luminance": 0.32237
}

Semantic roles & 50–950 ramp

primary

#539FE4

secondary

#E5C8AE

accent

#6E11D5

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #539FE4

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

Preview Lab → · Contrast checker → · Palette generator →