#559FBB#559FBB

#559FBB is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.6% C 0.084 H 225.0°. Best body text is #000000 at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#559FBB
RGB	rgb(85, 159, 187)
HSL	hsl(196, 43%, 53%)
HSV	hsv(196, 55%, 73%)
CMYK	cmyk(54.5%, 15%, 0%, 26.7%)
CIE-LAB	lab(61.92, -15.05, -21.51)
CIE-LCH	lch(61.92, 26.25, 235.03°)
OKLab	oklab(66.57% -0.0598 -0.0597)
OKLCH	oklch(66.57% 0.084 225)
XYZ	xyz(25.1107, 30.3132, 51.5318)
Luminance	0.3031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FBB #BB7155

analogous

#55BBA4 #559FBB #556CBB

triadic

#559FBB #BB559F #9FBB55

tetradic

#559FBB #A455BB #BB7155 #6CBB55

square

#559FBB #A455BB #BB7155 #6CBB55

split-complementary

#559FBB #BB556C #BBA455

monochromatic

#2B596B #3C7E97 #559FBB #81B8CC #ACD0DE

Accessibility & contrast

On white

2.97

#559FBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.06

#559FBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FBB

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FBB	#FFFFFF	#000000	##000000
##559FBB	1.00	2.97	7.06	7.06
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.06	21.00	1.00	1.00
##000000	7.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909CBC

Deuteranopia (green-blind)

#8191BB

Tritanopia (blue-blind)

#00A7A8

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559fbb;
/* rgb */ color: rgb(85, 159, 187);
/* oklch */ color: oklch(66.6% 0.084 225.0);

Tailwind

colors: {
  custom: {
    50: '#8dbbcf',
    500: '#559fbb',
    950: '#000000',
  },
}

SCSS

$custom: #559fbb;
$custom-light: #8dbbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#559fbb",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 187
  },
  "hsl": {
    "h": 196.471,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.66566,
    "c": 0.08449,
    "h": 225
  },
  "luminance": 0.30315
}

Semantic roles & 50–950 ramp

primary

#559FBB

secondary

#CCACA0

accent

#7855D3

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #559FBB

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

Preview Lab → · Contrast checker → · Palette generator →