#559BD8#559BD8

#559BD8 is a light, moderate cyan. Relative luminance 0.303; OKLCH L 67.0% C 0.115 H 246.9°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#559BD8
RGB	rgb(85, 155, 216)
HSL	hsl(208, 63%, 59%)
HSV	hsv(208, 61%, 85%)
CMYK	cmyk(60.6%, 28.2%, 0%, 15.3%)
CIE-LAB	lab(61.94, -3.81, -37.69)
CIE-LCH	lch(61.94, 37.89, 264.23°)
OKLab	oklab(66.97% -0.0454 -0.1061)
OKLCH	oklch(66.97% 0.115 246.9)
XYZ	xyz(27.8578, 30.3292, 69.3385)
Luminance	0.3033 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BD8 #D89255

analogous

#55D8D4 #559BD8 #555AD8

triadic

#559BD8 #D8559B #9BD855

tetradic

#559BD8 #D455D8 #D89255 #5AD855

square

#559BD8 #D455D8 #D89255 #5AD855

split-complementary

#559BD8 #D8555A #D8D455

monochromatic

#215D91 #2D7DC3 #559BD8 #87B8E3 #B9D6EF

Accessibility & contrast

On white

2.97

#559BD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.07

#559BD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559BD8

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BD8	#FFFFFF	#000000	##000000
##559BD8	1.00	2.97	7.07	7.07
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.07	21.00	1.00	1.00
##000000	7.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819DDB

Deuteranopia (green-blind)

#6F90D7

Tritanopia (blue-blind)

#00A9B0

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559bd8;
/* rgb */ color: rgb(85, 155, 216);
/* oklch */ color: oklch(67.0% 0.115 246.9);

Tailwind

colors: {
  custom: {
    50: '#90b8e4',
    500: '#559bd8',
    950: '#000000',
  },
}

SCSS

$custom: #559bd8;
$custom-light: #90b8e4;
$custom-dark: #000000;

JSON

{
  "hex": "#559bd8",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 216
  },
  "hsl": {
    "h": 207.939,
    "s": 62.679,
    "l": 59.02
  },
  "oklch": {
    "l": 0.66965,
    "c": 0.11542,
    "h": 246.9
  },
  "luminance": 0.30332
}

Semantic roles & 50–950 ramp

primary

#559BD8

secondary

#DEC3AB

accent

#8E42E6

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559BD8

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

Preview Lab → · Contrast checker → · Palette generator →