#559BC3#559BC3

#559BC3 is a light, moderate cyan. Relative luminance 0.293; OKLCH L 66.0% C 0.092 H 235.6°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#559BC3
RGB	rgb(85, 155, 195)
HSL	hsl(202, 48%, 55%)
HSV	hsv(202, 56%, 76%)
CMYK	cmyk(56.4%, 20.5%, 0%, 23.5%)
CIE-LAB	lab(61.06, -10.44, -27.33)
CIE-LCH	lch(61.06, 29.26, 249.09°)
OKLab	oklab(65.98% -0.0523 -0.0763)
OKLCH	oklch(65.98% 0.092 235.6)
XYZ	xyz(25.3143, 29.3118, 55.9429)
Luminance	0.2931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BC3 #C37D55

analogous

#55C3B4 #559BC3 #5564C3

triadic

#559BC3 #C3559B #9BC355

tetradic

#559BC3 #B455C3 #C37D55 #64C355

square

#559BC3 #B455C3 #C37D55 #64C355

split-complementary

#559BC3 #C35564 #C3B455

monochromatic

#295974 #397CA2 #559BC3 #82B6D3 #AFD0E3

Accessibility & contrast

On white

3.06

#559BC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.86

#559BC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BC3

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BC3	#FFFFFF	#000000	##000000
##559BC3	1.00	3.06	6.86	6.86
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.86	21.00	1.00	1.00
##000000	6.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889AC5

Deuteranopia (green-blind)

#798EC2

Tritanopia (blue-blind)

#00A5A8

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #559bc3;
/* rgb */ color: rgb(85, 155, 195);
/* oklch */ color: oklch(66.0% 0.092 235.6);

Tailwind

colors: {
  custom: {
    50: '#8db8d5',
    500: '#559bc3',
    950: '#000000',
  },
}

SCSS

$custom: #559bc3;
$custom-light: #8db8d5;
$custom-dark: #000000;

JSON

{
  "hex": "#559bc3",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 195
  },
  "hsl": {
    "h": 201.818,
    "s": 47.826,
    "l": 54.902
  },
  "oklch": {
    "l": 0.65977,
    "c": 0.09248,
    "h": 235.6
  },
  "luminance": 0.29314
}

Semantic roles & 50–950 ramp

primary

#559BC3

secondary

#D1B4A3

accent

#8150D7

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1114

muted

#7E8083

Preview Lab

Preview with #559BC3

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

Preview Lab → · Contrast checker → · Palette generator →