#559BDE#559BDE

#559BDE is a light, vivid cyan. Relative luminance 0.306; OKLCH L 67.3% C 0.123 H 249.2°. Best body text is #000000 at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#559BDE
RGB	rgb(85, 155, 222)
HSL	hsl(209, 67%, 60%)
HSV	hsv(209, 62%, 87%)
CMYK	cmyk(61.7%, 30.2%, 0%, 12.9%)
CIE-LAB	lab(62.21, -1.86, -40.60)
CIE-LCH	lch(62.21, 40.65, 267.38°)
OKLab	oklab(67.27% -0.0436 -0.1146)
OKLCH	oklch(67.27% 0.123 249.2)
XYZ	xyz(28.6476, 30.6452, 73.4985)
Luminance	0.3065 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BDE #DE9855

analogous

#55DEDD #559BDE #5556DE

triadic

#559BDE #DE559B #9BDE55

tetradic

#559BDE #DD55DE #DE9855 #56DE55

square

#559BDE #DD55DE #DE9855 #56DE55

split-complementary

#559BDE #DE5556 #DEDD55

monochromatic

#1E5E9B #287DCE #559BDE #88B9E8 #BCD7F2

Accessibility & contrast

On white

2.95

#559BDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.13

#559BDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559BDE

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BDE	#FFFFFF	#000000	##000000
##559BDE	1.00	2.95	7.13	7.13
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.13	21.00	1.00	1.00
##000000	7.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E9EE1

Deuteranopia (green-blind)

#6C90DD

Tritanopia (blue-blind)

#00ABB3

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559bde;
/* rgb */ color: rgb(85, 155, 222);
/* oklch */ color: oklch(67.3% 0.123 249.2);

Tailwind

colors: {
  custom: {
    50: '#90b8e8',
    500: '#559bde',
    950: '#000000',
  },
}

SCSS

$custom: #559bde;
$custom-light: #90b8e8;
$custom-dark: #000000;

JSON

{
  "hex": "#559bde",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 222
  },
  "hsl": {
    "h": 209.343,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.67265,
    "c": 0.12258,
    "h": 249.2
  },
  "luminance": 0.30648
}

Semantic roles & 50–950 ramp

primary

#559BDE

secondary

#E2C7AD

accent

#7116CF

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559BDE

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

Preview Lab → · Contrast checker → · Palette generator →