#559FBE#559FBE

#559FBE is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.7% C 0.087 H 227.5°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#559FBE
RGB	rgb(85, 159, 190)
HSL	hsl(198, 45%, 54%)
HSV	hsv(198, 55%, 75%)
CMYK	cmyk(55.3%, 16.3%, 0%, 25.5%)
CIE-LAB	lab(62.03, -14.15, -23.02)
CIE-LCH	lch(62.03, 27.02, 238.43°)
OKLab	oklab(66.69% -0.0586 -0.064)
OKLCH	oklch(66.69% 0.087 227.5)
XYZ	xyz(25.4352, 30.4430, 53.2409)
Luminance	0.3044 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FBE #BE7455

analogous

#55BEA9 #559FBE #556BBE

triadic

#559FBE #BE559F #9FBE55

tetradic

#559FBE #A955BE #BE7455 #6BBE55

square

#559FBE #A955BE #BE7455 #6BBE55

split-complementary

#559FBE #BE556B #BEA955

monochromatic

#2A5A6E #3B7E9B #559FBE #81B8CF #AED1E0

Accessibility & contrast

On white

2.96

#559FBE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.09

#559FBE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FBE

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FBE	#FFFFFF	#000000	##000000
##559FBE	1.00	2.96	7.09	7.09
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.09	21.00	1.00	1.00
##000000	7.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9CC0

Deuteranopia (green-blind)

#8091BE

Tritanopia (blue-blind)

#00A8A9

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559fbe;
/* rgb */ color: rgb(85, 159, 190);
/* oklch */ color: oklch(66.7% 0.087 227.5);

Tailwind

colors: {
  custom: {
    50: '#8dbbd1',
    500: '#559fbe',
    950: '#000000',
  },
}

SCSS

$custom: #559fbe;
$custom-light: #8dbbd1;
$custom-dark: #000000;

JSON

{
  "hex": "#559fbe",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 190
  },
  "hsl": {
    "h": 197.714,
    "s": 44.681,
    "l": 53.922
  },
  "oklch": {
    "l": 0.66691,
    "c": 0.0868,
    "h": 227.5
  },
  "luminance": 0.30445
}

Semantic roles & 50–950 ramp

primary

#559FBE

secondary

#CEAEA1

accent

#7953D4

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1114

muted

#7E8082

Preview Lab

Preview with #559FBE

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

Preview Lab → · Contrast checker → · Palette generator →