#539CD0#539CD0

#539CD0 is a light, moderate cyan. Relative luminance 0.302; OKLCH L 66.7% C 0.107 H 241.8°. Best body text is #000000 at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#539CD0
RGB	rgb(83, 156, 208)
HSL	hsl(205, 57%, 57%)
HSV	hsv(205, 60%, 82%)
CMYK	cmyk(60.1%, 25%, 0%, 18.4%)
CIE-LAB	lab(61.80, -7.32, -33.46)
CIE-LCH	lch(61.80, 34.25, 257.66°)
OKLab	oklab(66.72% -0.0504 -0.0939)
OKLCH	oklch(66.72% 0.107 241.8)
XYZ	xyz(26.8367, 30.1675, 64.0709)
Luminance	0.3017 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539CD0 #D08753

analogous

#53D0C6 #539CD0 #535ED0

triadic

#539CD0 #D0539C #9CD053

tetradic

#539CD0 #C653D0 #D08753 #5ED053

square

#539CD0 #C653D0 #D08753 #5ED053

split-complementary

#539CD0 #D0535E #D0C653

monochromatic

#245C84 #317EB4 #539CD0 #83B8DD #B3D3EA

Accessibility & contrast

On white

2.99

#539CD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.03

#539CD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539CD0

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539CD0	#FFFFFF	#000000	##000000
##539CD0	1.00	2.99	7.03	7.03
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.03	21.00	1.00	1.00
##000000	7.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859CD2

Deuteranopia (green-blind)

#7490CF

Tritanopia (blue-blind)

#00A9AE

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #539cd0;
/* rgb */ color: rgb(83, 156, 208);
/* oklch */ color: oklch(66.7% 0.107 241.8);

Tailwind

colors: {
  custom: {
    50: '#8eb9de',
    500: '#539cd0',
    950: '#000000',
  },
}

SCSS

$custom: #539cd0;
$custom-light: #8eb9de;
$custom-dark: #000000;

JSON

{
  "hex": "#539cd0",
  "rgb": {
    "r": 83,
    "g": 156,
    "b": 208
  },
  "hsl": {
    "h": 204.96,
    "s": 57.078,
    "l": 57.059
  },
  "oklch": {
    "l": 0.66719,
    "c": 0.1066,
    "h": 241.8
  },
  "luminance": 0.3017
}

Semantic roles & 50–950 ramp

primary

#539CD0

secondary

#D9BBA6

accent

#8747E0

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #539CD0

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

Preview Lab → · Contrast checker → · Palette generator →