#559BDB#559BDB

#559BDB is a light, moderate cyan. Relative luminance 0.305; OKLCH L 67.1% C 0.119 H 248.1°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#559BDB
RGB	rgb(85, 155, 219)
HSL	hsl(209, 65%, 60%)
HSV	hsv(209, 61%, 86%)
CMYK	cmyk(61.2%, 29.2%, 0%, 14.1%)
CIE-LAB	lab(62.07, -2.84, -39.15)
CIE-LCH	lch(62.07, 39.25, 265.86°)
OKLab	oklab(67.11% -0.0445 -0.1104)
OKLCH	oklch(67.11% 0.119 248.1)
XYZ	xyz(28.2491, 30.4858, 71.3997)
Luminance	0.3049 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BDB #DB9555

analogous

#55DBD8 #559BDB #5558DB

triadic

#559BDB #DB559B #9BDB55

tetradic

#559BDB #D855DB #DB9555 #58DB55

square

#559BDB #D855DB #DB9555 #58DB55

split-complementary

#559BDB #DB5558 #DBD855

monochromatic

#205D96 #2A7DC8 #559BDB #88B9E6 #BAD6F0

Accessibility & contrast

On white

2.96

#559BDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#559BDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559BDB

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BDB	#FFFFFF	#000000	##000000
##559BDB	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)

#7F9DDE

Deuteranopia (green-blind)

#6D90DA

Tritanopia (blue-blind)

#00AAB1

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559bdb;
/* rgb */ color: rgb(85, 155, 219);
/* oklch */ color: oklch(67.1% 0.119 248.1);

Tailwind

colors: {
  custom: {
    50: '#90b8e6',
    500: '#559bdb',
    950: '#000000',
  },
}

SCSS

$custom: #559bdb;
$custom-light: #90b8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#559bdb",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 219
  },
  "hsl": {
    "h": 208.657,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.67114,
    "c": 0.11898,
    "h": 248.1
  },
  "luminance": 0.30488
}

Semantic roles & 50–950 ramp

primary

#559BDB

secondary

#E0C5AC

accent

#9040E8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559BDB

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

Preview Lab → · Contrast checker → · Palette generator →