#559BB7#559BB7

#559BB7 is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.5% C 0.082 H 226.2°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#559BB7
RGB	rgb(85, 155, 183)
HSL	hsl(197, 40%, 53%)
HSV	hsv(197, 54%, 72%)
CMYK	cmyk(53.6%, 15.3%, 0%, 28.2%)
CIE-LAB	lab(60.60, -14.08, -21.29)
CIE-LCH	lch(60.60, 25.52, 236.52°)
OKLab	oklab(65.46% -0.0567 -0.0591)
OKLCH	oklch(65.46% 0.082 226.2)
XYZ	xyz(24.0117, 28.7908, 49.0824)
Luminance	0.2879 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BB7 #B77155

analogous

#55B7A2 #559BB7 #556AB7

triadic

#559BB7 #B7559B #9BB755

tetradic

#559BB7 #A255B7 #B77155 #6AB755

square

#559BB7 #A255B7 #B77155 #6AB755

split-complementary

#559BB7 #B7556A #B7A255

monochromatic

#2B5566 #3E7991 #559BB7 #80B4C9 #ABCEDB

Accessibility & contrast

On white

3.11

#559BB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#559BB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BB7

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BB7	#FFFFFF	#000000	##000000
##559BB7	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C98B8

Deuteranopia (green-blind)

#7E8DB7

Tritanopia (blue-blind)

#0EA3A4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #559bb7;
/* rgb */ color: rgb(85, 155, 183);
/* oklch */ color: oklch(65.5% 0.082 226.2);

Tailwind

colors: {
  custom: {
    50: '#8cb8cc',
    500: '#559bb7',
    950: '#000000',
  },
}

SCSS

$custom: #559bb7;
$custom-light: #8cb8cc;
$custom-dark: #000000;

JSON

{
  "hex": "#559bb7",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 183
  },
  "hsl": {
    "h": 197.143,
    "s": 40.496,
    "l": 52.549
  },
  "oklch": {
    "l": 0.6546,
    "c": 0.08189,
    "h": 226.2
  },
  "luminance": 0.28793
}

Semantic roles & 50–950 ramp

primary

#559BB7

secondary

#C9AB9F

accent

#7A57D0

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1113

muted

#7D8082

Preview Lab

Preview with #559BB7

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

Preview Lab → · Contrast checker → · Palette generator →