#559BBA#559BBA

#559BBA is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.6% C 0.084 H 228.8°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#559BBA
RGB	rgb(85, 155, 186)
HSL	hsl(198, 42%, 53%)
HSV	hsv(198, 54%, 73%)
CMYK	cmyk(54.3%, 16.7%, 0%, 27.1%)
CIE-LAB	lab(60.71, -13.18, -22.81)
CIE-LCH	lch(60.71, 26.34, 239.98°)
OKLab	oklab(65.59% -0.0556 -0.0634)
OKLCH	oklch(65.59% 0.084 228.8)
XYZ	xyz(24.3272, 28.9170, 50.7444)
Luminance	0.2892 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BBA #BA7455

analogous

#55BAA6 #559BBA #5568BA

triadic

#559BBA #BA559B #9BBA55

tetradic

#559BBA #A655BA #BA7455 #68BA55

square

#559BBA #A655BA #BA7455 #68BA55

split-complementary

#559BBA #BA5568 #BAA655

monochromatic

#2B566A #3D7A95 #559BBA #81B5CC #ACCEDD

Accessibility & contrast

On white

3.10

#559BBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#559BBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BBA

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BBA	#FFFFFF	#000000	##000000
##559BBA	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B99BC

Deuteranopia (green-blind)

#7D8EBA

Tritanopia (blue-blind)

#04A4A5

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #559bba;
/* rgb */ color: rgb(85, 155, 186);
/* oklch */ color: oklch(65.6% 0.084 228.8);

Tailwind

colors: {
  custom: {
    50: '#8cb8ce',
    500: '#559bba',
    950: '#000000',
  },
}

SCSS

$custom: #559bba;
$custom-light: #8cb8ce;
$custom-dark: #000000;

JSON

{
  "hex": "#559bba",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 186
  },
  "hsl": {
    "h": 198.416,
    "s": 42.259,
    "l": 53.137
  },
  "oklch": {
    "l": 0.65586,
    "c": 0.0843,
    "h": 228.8
  },
  "luminance": 0.28919
}

Semantic roles & 50–950 ramp

primary

#559BBA

secondary

#CBADA0

accent

#7C56D2

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #559BBA

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

Preview Lab → · Contrast checker → · Palette generator →