#559BDC#559BDC

#559BDC is a light, vivid cyan. Relative luminance 0.305; OKLCH L 67.2% C 0.120 H 248.4°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#559BDC
RGB	rgb(85, 155, 220)
HSL	hsl(209, 66%, 60%)
HSV	hsv(209, 61%, 86%)
CMYK	cmyk(61.4%, 29.5%, 0%, 13.7%)
CIE-LAB	lab(62.12, -2.51, -39.64)
CIE-LCH	lch(62.12, 39.72, 266.37°)
OKLab	oklab(67.16% -0.0442 -0.1118)
OKLCH	oklch(67.16% 0.12 248.4)
XYZ	xyz(28.3812, 30.5386, 72.0951)
Luminance	0.3054 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BDC #DC9655

analogous

#55DCDA #559BDC #5557DC

triadic

#559BDC #DC559B #9BDC55

tetradic

#559BDC #DA55DC #DC9655 #57DC55

square

#559BDC #DA55DC #DC9655 #57DC55

split-complementary

#559BDC #DC5557 #DCDA55

monochromatic

#1F5E97 #2A7DCA #559BDC #88B9E6 #BBD7F1

Accessibility & contrast

On white

2.95

#559BDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#559BDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559BDC

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BDC	#FFFFFF	#000000	##000000
##559BDC	1.00	2.95	7.11	7.11
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.11	21.00	1.00	1.00
##000000	7.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F9DDF

Deuteranopia (green-blind)

#6D90DB

Tritanopia (blue-blind)

#00AAB2

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559bdc;
/* rgb */ color: rgb(85, 155, 220);
/* oklch */ color: oklch(67.2% 0.120 248.4);

Tailwind

colors: {
  custom: {
    50: '#90b8e7',
    500: '#559bdc',
    950: '#000000',
  },
}

SCSS

$custom: #559bdc;
$custom-light: #90b8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#559bdc",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 220
  },
  "hsl": {
    "h": 208.889,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.67164,
    "c": 0.12018,
    "h": 248.4
  },
  "luminance": 0.30541
}

Semantic roles & 50–950 ramp

primary

#559BDC

secondary

#E0C5AC

accent

#913FE9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559BDC

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

Preview Lab → · Contrast checker → · Palette generator →