#559EB5#559EB5

#559EB5 is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.1% C 0.080 H 220.7°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#559EB5
RGB	rgb(85, 158, 181)
HSL	hsl(194, 39%, 52%)
HSV	hsv(194, 53%, 71%)
CMYK	cmyk(53%, 12.7%, 0%, 29%)
CIE-LAB	lab(61.41, -16.28, -18.92)
CIE-LCH	lch(61.41, 24.96, 229.28°)
OKLab	oklab(66.09% -0.0609 -0.0524)
OKLCH	oklch(66.09% 0.08 220.7)
XYZ	xyz(24.3105, 29.7191, 48.1623)
Luminance	0.2972 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559EB5 #B56C55

analogous

#55B59C #559EB5 #556EB5

triadic

#559EB5 #B5559E #9EB555

tetradic

#559EB5 #9C55B5 #B56C55 #6EB555

square

#559EB5 #9C55B5 #B56C55 #6EB555

split-complementary

#559EB5 #B5556E #B59C55

monochromatic

#2C5764 #3E7B8F #559EB5 #80B6C8 #AACFDA

Accessibility & contrast

On white

3.02

#559EB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.94

#559EB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559EB5

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559EB5	#FFFFFF	#000000	##000000
##559EB5	1.00	3.02	6.94	6.94
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.94	21.00	1.00	1.00
##000000	6.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909AB6

Deuteranopia (green-blind)

#8290B5

Tritanopia (blue-blind)

#10A6A5

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #559eb5;
/* rgb */ color: rgb(85, 158, 181);
/* oklch */ color: oklch(66.1% 0.080 220.7);

Tailwind

colors: {
  custom: {
    50: '#8cbacb',
    500: '#559eb5',
    950: '#000000',
  },
}

SCSS

$custom: #559eb5;
$custom-light: #8cbacb;
$custom-dark: #000000;

JSON

{
  "hex": "#559eb5",
  "rgb": {
    "r": 85,
    "g": 158,
    "b": 181
  },
  "hsl": {
    "h": 194.375,
    "s": 39.344,
    "l": 52.157
  },
  "oklch": {
    "l": 0.66085,
    "c": 0.08038,
    "h": 220.7
  },
  "luminance": 0.29721
}

Semantic roles & 50–950 ramp

primary

#559EB5

secondary

#C8A89E

accent

#7559CF

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1113

muted

#7D8082

Preview Lab

Preview with #559EB5

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

Preview Lab → · Contrast checker → · Palette generator →