#539BE0#539BE0

#539BE0 is a light, vivid cyan. Relative luminance 0.307; OKLCH L 67.3% C 0.126 H 249.3°. Best body text is #000000 at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#539BE0
RGB	rgb(83, 155, 224)
HSL	hsl(209, 69%, 60%)
HSV	hsv(209, 63%, 88%)
CMYK	cmyk(62.9%, 30.8%, 0%, 12.2%)
CIE-LAB	lab(62.22, -1.56, -41.70)
CIE-LCH	lch(62.22, 41.73, 267.85°)
OKLab	oklab(67.28% -0.0445 -0.1178)
OKLCH	oklch(67.28% 0.126 249.3)
XYZ	xyz(28.7382, 30.6607, 74.9102)
Luminance	0.3066 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BE0 #E09853

analogous

#53E0DF #539BE0 #5354E0

triadic

#539BE0 #E0539B #9BE053

tetradic

#539BE0 #DF53E0 #E09853 #54E053

square

#539BE0 #DF53E0 #E09853 #54E053

split-complementary

#539BE0 #E05354 #E0DF53

monochromatic

#1C5E9C #267DD0 #539BE0 #87B9E9 #BBD7F3

Accessibility & contrast

On white

2.94

#539BE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.13

#539BE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539BE0

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BE0	#FFFFFF	#000000	##000000
##539BE0	1.00	2.94	7.13	7.13
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.13	21.00	1.00	1.00
##000000	7.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9EE3

Deuteranopia (green-blind)

#6A90DF

Tritanopia (blue-blind)

#00ABB3

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #539be0;
/* rgb */ color: rgb(83, 155, 224);
/* oklch */ color: oklch(67.3% 0.126 249.3);

Tailwind

colors: {
  custom: {
    50: '#90b8ea',
    500: '#539be0',
    950: '#000000',
  },
}

SCSS

$custom: #539be0;
$custom-light: #90b8ea;
$custom-dark: #000000;

JSON

{
  "hex": "#539be0",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 224
  },
  "hsl": {
    "h": 209.362,
    "s": 69.458,
    "l": 60.196
  },
  "oklch": {
    "l": 0.67284,
    "c": 0.12589,
    "h": 249.3
  },
  "luminance": 0.30664
}

Semantic roles & 50–950 ramp

primary

#539BE0

secondary

#E2C7AC

accent

#7114D1

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #539BE0

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

Preview Lab → · Contrast checker → · Palette generator →