#539BDF#539BDF

#539BDF is a light, vivid cyan. Relative luminance 0.306; OKLCH L 67.2% C 0.125 H 249.0°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#539BDF
RGB	rgb(83, 155, 223)
HSL	hsl(209, 69%, 60%)
HSV	hsv(209, 63%, 87%)
CMYK	cmyk(62.8%, 30.5%, 0%, 12.5%)
CIE-LAB	lab(62.17, -1.89, -41.21)
CIE-LCH	lch(62.17, 41.26, 267.37°)
OKLab	oklab(67.23% -0.0448 -0.1164)
OKLCH	oklch(67.23% 0.125 249)
XYZ	xyz(28.6030, 30.6066, 74.1980)
Luminance	0.3061 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BDF #DF9753

analogous

#53DFDD #539BDF #5355DF

triadic

#539BDF #DF539B #9BDF53

tetradic

#539BDF #DD53DF #DF9753 #55DF53

square

#539BDF #DD53DF #DF9753 #55DF53

split-complementary

#539BDF #DF5355 #DFDD53

monochromatic

#1D5E9B #267DCE #539BDF #87B9E9 #BAD7F2

Accessibility & contrast

On white

2.95

#539BDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.12

#539BDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539BDF

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BDF	#FFFFFF	#000000	##000000
##539BDF	1.00	2.95	7.12	7.12
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.12	21.00	1.00	1.00
##000000	7.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E9EE2

Deuteranopia (green-blind)

#6B90DE

Tritanopia (blue-blind)

#00ABB3

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #539bdf;
/* rgb */ color: rgb(83, 155, 223);
/* oklch */ color: oklch(67.2% 0.125 249.0);

Tailwind

colors: {
  custom: {
    50: '#90b8e9',
    500: '#539bdf',
    950: '#000000',
  },
}

SCSS

$custom: #539bdf;
$custom-light: #90b8e9;
$custom-dark: #000000;

JSON

{
  "hex": "#539bdf",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 223
  },
  "hsl": {
    "h": 209.143,
    "s": 68.627,
    "l": 60
  },
  "oklch": {
    "l": 0.67233,
    "c": 0.12468,
    "h": 249
  },
  "luminance": 0.30609
}

Semantic roles & 50–950 ramp

primary

#539BDF

secondary

#E2C6AC

accent

#913CEB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #539BDF

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

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