#539BD8#539BD8

#539BD8 is a light, moderate cyan. Relative luminance 0.302; OKLCH L 66.9% C 0.116 H 246.3°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#539BD8
RGB	rgb(83, 155, 216)
HSL	hsl(208, 63%, 59%)
HSV	hsv(208, 62%, 85%)
CMYK	cmyk(61.6%, 28.2%, 0%, 15.3%)
CIE-LAB	lab(61.86, -4.18, -37.82)
CIE-LCH	lch(61.86, 38.05, 263.69°)
OKLab	oklab(66.88% -0.0468 -0.1065)
OKLCH	oklch(66.88% 0.116 246.3)
XYZ	xyz(27.6787, 30.2369, 69.3301)
Luminance	0.3024 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BD8 #D89053

analogous

#53D8D2 #539BD8 #5358D8

triadic

#539BD8 #D8539B #9BD853

tetradic

#539BD8 #D253D8 #D89053 #58D853

square

#539BD8 #D253D8 #D89053 #58D853

split-complementary

#539BD8 #D85358 #D8D253

monochromatic

#215D90 #2C7DC2 #539BD8 #85B8E3 #B7D5EF

Accessibility & contrast

On white

2.98

#539BD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#539BD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539BD8

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BD8	#FFFFFF	#000000	##000000
##539BD8	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809DDB

Deuteranopia (green-blind)

#6E90D7

Tritanopia (blue-blind)

#00AAB0

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #539bd8;
/* rgb */ color: rgb(83, 155, 216);
/* oklch */ color: oklch(66.9% 0.116 246.3);

Tailwind

colors: {
  custom: {
    50: '#8fb8e4',
    500: '#539bd8',
    950: '#000000',
  },
}

SCSS

$custom: #539bd8;
$custom-light: #8fb8e4;
$custom-dark: #000000;

JSON

{
  "hex": "#539bd8",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 216
  },
  "hsl": {
    "h": 207.519,
    "s": 63.033,
    "l": 58.627
  },
  "oklch": {
    "l": 0.6688,
    "c": 0.11638,
    "h": 246.3
  },
  "luminance": 0.3024
}

Semantic roles & 50–950 ramp

primary

#539BD8

secondary

#DEC1A9

accent

#8D42E6

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #539BD8

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

Preview Lab → · Contrast checker → · Palette generator →