#539BDD#539BDD

#539BDD is a light, vivid cyan. Relative luminance 0.305; OKLCH L 67.1% C 0.122 H 248.2°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#539BDD
RGB	rgb(83, 155, 221)
HSL	hsl(209, 67%, 60%)
HSV	hsv(209, 62%, 87%)
CMYK	cmyk(62.4%, 29.9%, 0%, 13.3%)
CIE-LAB	lab(62.08, -2.55, -40.25)
CIE-LCH	lch(62.08, 40.33, 266.38°)
OKLab	oklab(67.13% -0.0453 -0.1136)
OKLCH	oklch(67.13% 0.122 248.2)
XYZ	xyz(28.3350, 30.4994, 72.7863)
Luminance	0.3050 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BDD #DD9553

analogous

#53DDDA #539BDD #5356DD

triadic

#539BDD #DD539B #9BDD53

tetradic

#539BDD #DA53DD #DD9553 #56DD53

square

#539BDD #DA53DD #DD9553 #56DD53

split-complementary

#539BDD #DD5356 #DDDA53

monochromatic

#1E5D98 #287DCB #539BDD #86B9E7 #B9D6F1

Accessibility & contrast

On white

2.96

#539BDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#539BDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539BDD

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BDD	#FFFFFF	#000000	##000000
##539BDD	1.00	2.96	7.10	7.10
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.10	21.00	1.00	1.00
##000000	7.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E9DE0

Deuteranopia (green-blind)

#6C90DC

Tritanopia (blue-blind)

#00ABB2

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #539bdd;
/* rgb */ color: rgb(83, 155, 221);
/* oklch */ color: oklch(67.1% 0.122 248.2);

Tailwind

colors: {
  custom: {
    50: '#8fb8e8',
    500: '#539bdd',
    950: '#000000',
  },
}

SCSS

$custom: #539bdd;
$custom-light: #8fb8e8;
$custom-dark: #000000;

JSON

{
  "hex": "#539bdd",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 221
  },
  "hsl": {
    "h": 208.696,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.67131,
    "c": 0.12229,
    "h": 248.2
  },
  "luminance": 0.30502
}

Semantic roles & 50–950 ramp

primary

#539BDD

secondary

#E1C5AB

accent

#903EEA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #539BDD

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

Preview Lab → · Contrast checker → · Palette generator →