#559CB9#559CB9

#559CB9 is a light, moderate cyan. Relative luminance 0.292; OKLCH L 65.8% C 0.083 H 226.8°. Best body text is #000000 at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#559CB9
RGB	rgb(85, 156, 185)
HSL	hsl(197, 42%, 53%)
HSV	hsv(197, 54%, 73%)
CMYK	cmyk(54.1%, 15.7%, 0%, 27.5%)
CIE-LAB	lab(60.97, -14.02, -21.85)
CIE-LCH	lch(60.97, 25.96, 237.31°)
OKLab	oklab(65.78% -0.0571 -0.0607)
OKLCH	oklch(65.78% 0.083 226.8)
XYZ	xyz(24.3884, 29.2089, 50.2422)
Luminance	0.2921 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CB9 #B97255

analogous

#55B9A4 #559CB9 #556AB9

triadic

#559CB9 #B9559C #9CB955

tetradic

#559CB9 #A455B9 #B97255 #6AB955

square

#559CB9 #A455B9 #B97255 #6AB955

split-complementary

#559CB9 #B9556A #B9A455

monochromatic

#2B5769 #3D7B94 #559CB9 #80B5CB #ACCEDD

Accessibility & contrast

On white

3.07

#559CB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.84

#559CB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559CB9

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CB9	#FFFFFF	#000000	##000000
##559CB9	1.00	3.07	6.84	6.84
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.84	21.00	1.00	1.00
##000000	6.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D99BB

Deuteranopia (green-blind)

#7E8EB9

Tritanopia (blue-blind)

#06A5A5

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #559cb9;
/* rgb */ color: rgb(85, 156, 185);
/* oklch */ color: oklch(65.8% 0.083 226.8);

Tailwind

colors: {
  custom: {
    50: '#8cb9ce',
    500: '#559cb9',
    950: '#000000',
  },
}

SCSS

$custom: #559cb9;
$custom-light: #8cb9ce;
$custom-dark: #000000;

JSON

{
  "hex": "#559cb9",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 185
  },
  "hsl": {
    "h": 197.4,
    "s": 41.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.65778,
    "c": 0.08332,
    "h": 226.8
  },
  "luminance": 0.29211
}

Semantic roles & 50–950 ramp

primary

#559CB9

secondary

#CBAC9F

accent

#7A56D1

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #559CB9

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

Preview Lab → · Contrast checker → · Palette generator →