#559CB5#559CB5

#559CB5 is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.6% C 0.080 H 223.1°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#559CB5
RGB	rgb(85, 156, 181)
HSL	hsl(196, 39%, 52%)
HSV	hsv(196, 53%, 71%)
CMYK	cmyk(53%, 13.8%, 0%, 29%)
CIE-LAB	lab(60.82, -15.21, -19.82)
CIE-LCH	lch(60.82, 24.98, 232.50°)
OKLab	oklab(65.61% -0.0586 -0.0549)
OKLCH	oklch(65.61% 0.08 223.1)
XYZ	xyz(23.9721, 29.0423, 48.0496)
Luminance	0.2904 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CB5 #B56E55

analogous

#55B59E #559CB5 #556CB5

triadic

#559CB5 #B5559C #9CB555

tetradic

#559CB5 #9E55B5 #B56E55 #6CB555

square

#559CB5 #9E55B5 #B56E55 #6CB555

split-complementary

#559CB5 #B5556C #B59E55

monochromatic

#2C5564 #3E7A8F #559CB5 #80B5C8 #AACEDA

Accessibility & contrast

On white

3.08

#559CB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#559CB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559CB5

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CB5	#FFFFFF	#000000	##000000
##559CB5	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E99B6

Deuteranopia (green-blind)

#808EB5

Tritanopia (blue-blind)

#12A4A4

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #559cb5;
/* rgb */ color: rgb(85, 156, 181);
/* oklch */ color: oklch(65.6% 0.080 223.1);

Tailwind

colors: {
  custom: {
    50: '#8cb9cb',
    500: '#559cb5',
    950: '#000000',
  },
}

SCSS

$custom: #559cb5;
$custom-light: #8cb9cb;
$custom-dark: #000000;

JSON

{
  "hex": "#559cb5",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 181
  },
  "hsl": {
    "h": 195.625,
    "s": 39.344,
    "l": 52.157
  },
  "oklch": {
    "l": 0.65613,
    "c": 0.08035,
    "h": 223.1
  },
  "luminance": 0.29044
}

Semantic roles & 50–950 ramp

primary

#559CB5

secondary

#C8A99E

accent

#7759CF

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1113

muted

#7D8082

Preview Lab

Preview with #559CB5

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

Preview Lab → · Contrast checker → · Palette generator →