#559CB4#559CB4

#559CB4 is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.6% C 0.080 H 222.2°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#559CB4
RGB	rgb(85, 156, 180)
HSL	hsl(195, 39%, 52%)
HSV	hsv(195, 53%, 71%)
CMYK	cmyk(52.8%, 13.3%, 0%, 29.4%)
CIE-LAB	lab(60.78, -15.50, -19.31)
CIE-LCH	lch(60.78, 24.77, 231.24°)
OKLab	oklab(65.57% -0.059 -0.0535)
OKLCH	oklch(65.57% 0.08 222.2)
XYZ	xyz(23.8699, 29.0014, 47.5111)
Luminance	0.2900 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CB4 #B46D55

analogous

#55B49D #559CB4 #556DB4

triadic

#559CB4 #B4559C #9CB455

tetradic

#559CB4 #9D55B4 #B46D55 #6DB455

square

#559CB4 #9D55B4 #B46D55 #6DB455

split-complementary

#559CB4 #B4556D #B49D55

monochromatic

#2C5563 #3E798D #559CB4 #7FB5C7 #AACDD9

Accessibility & contrast

On white

3.09

#559CB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#559CB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559CB4

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CB4	#FFFFFF	#000000	##000000
##559CB4	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E99B5

Deuteranopia (green-blind)

#808EB4

Tritanopia (blue-blind)

#14A4A4

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #559cb4;
/* rgb */ color: rgb(85, 156, 180);
/* oklch */ color: oklch(65.6% 0.080 222.2);

Tailwind

colors: {
  custom: {
    50: '#8cb9ca',
    500: '#559cb4',
    950: '#000000',
  },
}

SCSS

$custom: #559cb4;
$custom-light: #8cb9ca;
$custom-dark: #000000;

JSON

{
  "hex": "#559cb4",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 180
  },
  "hsl": {
    "h": 195.158,
    "s": 38.776,
    "l": 51.961
  },
  "oklch": {
    "l": 0.65572,
    "c": 0.07967,
    "h": 222.2
  },
  "luminance": 0.29004
}

Semantic roles & 50–950 ramp

primary

#559CB4

secondary

#C7A89E

accent

#7759CF

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1113

muted

#7D8082

Preview Lab

Preview with #559CB4

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

Preview Lab → · Contrast checker → · Palette generator →