#559FBC#559FBC

#559FBC is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.6% C 0.085 H 225.8°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#559FBC
RGB	rgb(85, 159, 188)
HSL	hsl(197, 43%, 54%)
HSV	hsv(197, 55%, 74%)
CMYK	cmyk(54.8%, 15.4%, 0%, 26.3%)
CIE-LAB	lab(61.96, -14.75, -22.01)
CIE-LCH	lch(61.96, 26.50, 236.18°)
OKLab	oklab(66.61% -0.0594 -0.0611)
OKLCH	oklch(66.61% 0.085 225.8)
XYZ	xyz(25.2181, 30.3562, 52.0976)
Luminance	0.3036 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FBC #BC7255

analogous

#55BCA5 #559FBC #556BBC

triadic

#559FBC #BC559F #9FBC55

tetradic

#559FBC #A555BC #BC7255 #6BBC55

square

#559FBC #A555BC #BC7255 #6BBC55

split-complementary

#559FBC #BC556B #BCA555

monochromatic

#2B5A6C #3C7E98 #559FBC #81B8CD #ADD1DF

Accessibility & contrast

On white

2.97

#559FBC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.07

#559FBC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FBC

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FBC	#FFFFFF	#000000	##000000
##559FBC	1.00	2.97	7.07	7.07
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.07	21.00	1.00	1.00
##000000	7.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9CBE

Deuteranopia (green-blind)

#8091BC

Tritanopia (blue-blind)

#00A8A8

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559fbc;
/* rgb */ color: rgb(85, 159, 188);
/* oklch */ color: oklch(66.6% 0.085 225.8);

Tailwind

colors: {
  custom: {
    50: '#8dbbd0',
    500: '#559fbc',
    950: '#000000',
  },
}

SCSS

$custom: #559fbc;
$custom-light: #8dbbd0;
$custom-dark: #000000;

JSON

{
  "hex": "#559fbc",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 188
  },
  "hsl": {
    "h": 196.893,
    "s": 43.46,
    "l": 53.529
  },
  "oklch": {
    "l": 0.66608,
    "c": 0.08524,
    "h": 225.8
  },
  "luminance": 0.30358
}

Semantic roles & 50–950 ramp

primary

#559FBC

secondary

#CCADA0

accent

#7855D3

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1114

muted

#7E8082

Preview Lab

Preview with #559FBC

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

Preview Lab → · Contrast checker → · Palette generator →