#539DDD#539DDD

#539DDD is a light, vivid cyan. Relative luminance 0.312; OKLCH L 67.6% C 0.121 H 246.9°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#539DDD
RGB	rgb(83, 157, 221)
HSL	hsl(208, 67%, 60%)
HSV	hsv(208, 62%, 87%)
CMYK	cmyk(62.4%, 29%, 0%, 13.3%)
CIE-LAB	lab(62.65, -3.69, -39.36)
CIE-LCH	lch(62.65, 39.53, 264.65°)
OKLab	oklab(67.58% -0.0474 -0.111)
OKLCH	oklch(67.58% 0.121 246.9)
XYZ	xyz(28.6706, 31.1706, 72.8982)
Luminance	0.3117 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539DDD #DD9353

analogous

#53DDD8 #539DDD #5358DD

triadic

#539DDD #DD539D #9DDD53

tetradic

#539DDD #D853DD #DD9353 #58DD53

square

#539DDD #D853DD #DD9353 #58DD53

split-complementary

#539DDD #DD5358 #DDD853

monochromatic

#1E5F98 #287FCB #539DDD #86BAE7 #B9D7F1

Accessibility & contrast

On white

2.90

#539DDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#539DDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539DDD

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539DDD	#FFFFFF	#000000	##000000
##539DDD	1.00	2.90	7.23	7.23
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819FE0

Deuteranopia (green-blind)

#6E91DC

Tritanopia (blue-blind)

#00ACB3

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #539ddd;
/* rgb */ color: rgb(83, 157, 221);
/* oklch */ color: oklch(67.6% 0.121 246.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#539ddd",
  "rgb": {
    "r": 83,
    "g": 157,
    "b": 221
  },
  "hsl": {
    "h": 207.826,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.67579,
    "c": 0.12067,
    "h": 246.9
  },
  "luminance": 0.31173
}

Semantic roles & 50–950 ramp

primary

#539DDD

secondary

#E1C4AB

accent

#8E3EEA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #539DDD

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

Preview Lab → · Contrast checker → · Palette generator →