#559CB1#559CB1

#559CB1 is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.5% C 0.078 H 219.3°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#559CB1
RGB	rgb(85, 156, 177)
HSL	hsl(194, 37%, 51%)
HSV	hsv(194, 52%, 69%)
CMYK	cmyk(52%, 11.9%, 0%, 30.6%)
CIE-LAB	lab(60.68, -16.38, -17.78)
CIE-LCH	lch(60.68, 24.18, 227.35°)
OKLab	oklab(65.45% -0.0602 -0.0492)
OKLCH	oklch(65.45% 0.078 219.3)
XYZ	xyz(23.5676, 28.8805, 45.9190)
Luminance	0.2888 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CB1 #B16A55

analogous

#55B198 #559CB1 #556EB1

triadic

#559CB1 #B1559C #9CB155

tetradic

#559CB1 #9855B1 #B16A55 #6EB155

square

#559CB1 #9855B1 #B16A55 #6EB155

split-complementary

#559CB1 #B1556E #B19855

monochromatic

#2C5460 #3F798A #559CB1 #7FB4C4 #A9CDD7

Accessibility & contrast

On white

3.10

#559CB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#559CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559CB1

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CB1	#FFFFFF	#000000	##000000
##559CB1	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)

#8F98B2

Deuteranopia (green-blind)

#818EB1

Tritanopia (blue-blind)

#19A3A3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #559cb1;
/* rgb */ color: rgb(85, 156, 177);
/* oklch */ color: oklch(65.5% 0.078 219.3);

Tailwind

colors: {
  custom: {
    50: '#8bb9c8',
    500: '#559cb1',
    950: '#000000',
  },
}

SCSS

$custom: #559cb1;
$custom-light: #8bb9c8;
$custom-dark: #000000;

JSON

{
  "hex": "#559cb1",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 177
  },
  "hsl": {
    "h": 193.696,
    "s": 37.097,
    "l": 51.373
  },
  "oklch": {
    "l": 0.65451,
    "c": 0.07775,
    "h": 219.3
  },
  "luminance": 0.28883
}

Semantic roles & 50–950 ramp

primary

#559CB1

secondary

#C5A69D

accent

#755BCD

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #559CB1

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

Preview Lab → · Contrast checker → · Palette generator →