#539BBC#539BBC

#539BBC is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.6% C 0.087 H 229.8°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#539BBC
RGB	rgb(83, 155, 188)
HSL	hsl(199, 44%, 53%)
HSV	hsv(199, 56%, 74%)
CMYK	cmyk(55.9%, 17.6%, 0%, 26.3%)
CIE-LAB	lab(60.70, -13.00, -23.95)
CIE-LCH	lch(60.70, 27.25, 241.50°)
OKLab	oklab(65.58% -0.0563 -0.0667)
OKLCH	oklch(65.58% 0.087 229.8)
XYZ	xyz(24.3623, 28.9103, 51.8636)
Luminance	0.2891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BBC #BC7453

analogous

#53BCA8 #539BBC #5366BC

triadic

#539BBC #BC539B #9BBC53

tetradic

#539BBC #A853BC #BC7453 #66BC53

square

#539BBC #A853BC #BC7453 #66BC53

split-complementary

#539BBC #BC5366 #BCA853

monochromatic

#2A566B #3B7A97 #539BBC #7FB5CD #ABCEDE

Accessibility & contrast

On white

3.10

#539BBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#539BBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539BBC

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BBC	#FFFFFF	#000000	##000000
##539BBC	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A99BE

Deuteranopia (green-blind)

#7B8EBC

Tritanopia (blue-blind)

#00A4A6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #539bbc;
/* rgb */ color: rgb(83, 155, 188);
/* oklch */ color: oklch(65.6% 0.087 229.8);

Tailwind

colors: {
  custom: {
    50: '#8bb8d0',
    500: '#539bbc',
    950: '#000000',
  },
}

SCSS

$custom: #539bbc;
$custom-light: #8bb8d0;
$custom-dark: #000000;

JSON

{
  "hex": "#539bbc",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 188
  },
  "hsl": {
    "h": 198.857,
    "s": 43.933,
    "l": 53.137
  },
  "oklch": {
    "l": 0.65584,
    "c": 0.08727,
    "h": 229.8
  },
  "luminance": 0.28913
}

Semantic roles & 50–950 ramp

primary

#539BBC

secondary

#CCAD9F

accent

#7C54D4

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0D1114

muted

#7D8082

Preview Lab

Preview with #539BBC

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

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