#539CDD#539CDD

#539CDD is a light, vivid cyan. Relative luminance 0.308; OKLCH L 67.4% C 0.121 H 247.5°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#539CDD
RGB	rgb(83, 156, 221)
HSL	hsl(208, 67%, 60%)
HSV	hsv(208, 62%, 87%)
CMYK	cmyk(62.4%, 29.4%, 0%, 13.3%)
CIE-LAB	lab(62.37, -3.12, -39.80)
CIE-LCH	lch(62.37, 39.93, 265.52°)
OKLab	oklab(67.36% -0.0464 -0.1123)
OKLCH	oklch(67.36% 0.121 247.5)
XYZ	xyz(28.5021, 30.8336, 72.8420)
Luminance	0.3084 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539CDD #DD9453

analogous

#53DDD9 #539CDD #5357DD

triadic

#539CDD #DD539C #9CDD53

tetradic

#539CDD #D953DD #DD9453 #57DD53

square

#539CDD #D953DD #DD9453 #57DD53

split-complementary

#539CDD #DD5357 #DDD953

monochromatic

#1E5E98 #287ECB #539CDD #86B9E7 #B9D7F1

Accessibility & contrast

On white

2.93

#539CDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#539CDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539CDD

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539CDD	#FFFFFF	#000000	##000000
##539CDD	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809EE0

Deuteranopia (green-blind)

#6D91DC

Tritanopia (blue-blind)

#00ABB3

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #539cdd;
/* rgb */ color: rgb(83, 156, 221);
/* oklch */ color: oklch(67.4% 0.121 247.5);

Tailwind

colors: {
  custom: {
    50: '#8fb9e8',
    500: '#539cdd',
    950: '#000000',
  },
}

SCSS

$custom: #539cdd;
$custom-light: #8fb9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#539cdd",
  "rgb": {
    "r": 83,
    "g": 156,
    "b": 221
  },
  "hsl": {
    "h": 208.261,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.67355,
    "c": 0.12147,
    "h": 247.5
  },
  "luminance": 0.30836
}

Semantic roles & 50–950 ramp

primary

#539CDD

secondary

#E1C4AB

accent

#8F3EEA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #539CDD

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

Preview Lab → · Contrast checker → · Palette generator →