#539DE0#539DE0

#539DE0 is a light, vivid cyan. Relative luminance 0.313; OKLCH L 67.7% C 0.124 H 248.0°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#539DE0
RGB	rgb(83, 157, 224)
HSL	hsl(209, 69%, 60%)
HSV	hsv(209, 63%, 88%)
CMYK	cmyk(62.9%, 29.9%, 0%, 12.2%)
CIE-LAB	lab(62.79, -2.71, -40.81)
CIE-LCH	lch(62.79, 40.90, 266.21°)
OKLab	oklab(67.73% -0.0465 -0.1152)
OKLCH	oklch(67.73% 0.124 248)
XYZ	xyz(29.0738, 31.3319, 75.0220)
Luminance	0.3134 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539DE0 #E09653

analogous

#53E0DD #539DE0 #5356E0

triadic

#539DE0 #E0539D #9DE053

tetradic

#539DE0 #DD53E0 #E09653 #56E053

square

#539DE0 #DD53E0 #E09653 #56E053

split-complementary

#539DE0 #E05356 #E0DD53

monochromatic

#1C5F9C #267FD0 #539DE0 #87BBE9 #BBD8F3

Accessibility & contrast

On white

2.89

#539DE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.27

#539DE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539DE0

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539DE0	#FFFFFF	#000000	##000000
##539DE0	1.00	2.89	7.27	7.27
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.27	21.00	1.00	1.00
##000000	7.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809FE3

Deuteranopia (green-blind)

#6D92DF

Tritanopia (blue-blind)

#00ADB5

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #539de0;
/* rgb */ color: rgb(83, 157, 224);
/* oklch */ color: oklch(67.7% 0.124 248.0);

Tailwind

colors: {
  custom: {
    50: '#90b9ea',
    500: '#539de0',
    950: '#000000',
  },
}

SCSS

$custom: #539de0;
$custom-light: #90b9ea;
$custom-dark: #000000;

JSON

{
  "hex": "#539de0",
  "rgb": {
    "r": 83,
    "g": 157,
    "b": 224
  },
  "hsl": {
    "h": 208.511,
    "s": 69.458,
    "l": 60.196
  },
  "oklch": {
    "l": 0.6773,
    "c": 0.12422,
    "h": 248
  },
  "luminance": 0.31335
}

Semantic roles & 50–950 ramp

primary

#539DE0

secondary

#E2C6AC

accent

#6E14D1

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #539DE0

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

Preview Lab → · Contrast checker → · Palette generator →