#559ADB#559ADB

#559ADB is a light, moderate cyan. Relative luminance 0.302; OKLCH L 66.9% C 0.120 H 248.7°. Best body text is #000000 at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#559ADB
RGB	rgb(85, 154, 219)
HSL	hsl(209, 65%, 60%)
HSV	hsv(209, 61%, 86%)
CMYK	cmyk(61.2%, 29.7%, 0%, 14.1%)
CIE-LAB	lab(61.79, -2.27, -39.60)
CIE-LCH	lch(61.79, 39.66, 266.72°)
OKLab	oklab(66.89% -0.0434 -0.1116)
OKLCH	oklch(66.89% 0.12 248.7)
XYZ	xyz(28.0834, 30.1543, 71.3445)
Luminance	0.3016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559ADB #DB9655

analogous

#55DBD9 #559ADB #5557DB

triadic

#559ADB #DB559A #9ADB55

tetradic

#559ADB #D955DB #DB9655 #57DB55

square

#559ADB #D955DB #DB9655 #57DB55

split-complementary

#559ADB #DB5557 #DBD955

monochromatic

#205D96 #2A7CC8 #559ADB #88B8E6 #BAD6F0

Accessibility & contrast

On white

2.99

#559ADB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.03

#559ADB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559ADB

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559ADB	#FFFFFF	#000000	##000000
##559ADB	1.00	2.99	7.03	7.03
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.03	21.00	1.00	1.00
##000000	7.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E9CDE

Deuteranopia (green-blind)

#6C8FDA

Tritanopia (blue-blind)

#00A9B1

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #559adb;
/* rgb */ color: rgb(85, 154, 219);
/* oklch */ color: oklch(66.9% 0.120 248.7);

Tailwind

colors: {
  custom: {
    50: '#90b7e6',
    500: '#559adb',
    950: '#000000',
  },
}

SCSS

$custom: #559adb;
$custom-light: #90b7e6;
$custom-dark: #000000;

JSON

{
  "hex": "#559adb",
  "rgb": {
    "r": 85,
    "g": 154,
    "b": 219
  },
  "hsl": {
    "h": 209.104,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.66891,
    "c": 0.1198,
    "h": 248.7
  },
  "luminance": 0.30157
}

Semantic roles & 50–950 ramp

primary

#559ADB

secondary

#E0C5AC

accent

#9140E8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559ADB

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

Preview Lab → · Contrast checker → · Palette generator →