#559BC4#559BC4

#559BC4 is a light, moderate cyan. Relative luminance 0.294; OKLCH L 66.0% C 0.093 H 236.3°. Best body text is #000000 at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#559BC4
RGB	rgb(85, 155, 196)
HSL	hsl(202, 48%, 55%)
HSV	hsv(202, 57%, 77%)
CMYK	cmyk(56.6%, 20.9%, 0%, 23.1%)
CIE-LAB	lab(61.10, -10.13, -27.83)
CIE-LCH	lch(61.10, 29.62, 249.99°)
OKLab	oklab(66.02% -0.0519 -0.0777)
OKLCH	oklch(66.02% 0.093 236.3)
XYZ	xyz(25.4277, 29.3572, 56.5404)
Luminance	0.2936 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BC4 #C47E55

analogous

#55C4B5 #559BC4 #5563C4

triadic

#559BC4 #C4559B #9BC455

tetradic

#559BC4 #B555C4 #C47E55 #63C455

square

#559BC4 #B555C4 #C47E55 #63C455

split-complementary

#559BC4 #C45563 #C4B555

monochromatic

#295976 #397CA3 #559BC4 #82B6D4 #B0D0E4

Accessibility & contrast

On white

3.06

#559BC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.87

#559BC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BC4

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BC4	#FFFFFF	#000000	##000000
##559BC4	1.00	3.06	6.87	6.87
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.87	21.00	1.00	1.00
##000000	6.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889AC6

Deuteranopia (green-blind)

#798EC3

Tritanopia (blue-blind)

#00A6A9

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #559bc4;
/* rgb */ color: rgb(85, 155, 196);
/* oklch */ color: oklch(66.0% 0.093 236.3);

Tailwind

colors: {
  custom: {
    50: '#8db8d6',
    500: '#559bc4',
    950: '#000000',
  },
}

SCSS

$custom: #559bc4;
$custom-light: #8db8d6;
$custom-dark: #000000;

JSON

{
  "hex": "#559bc4",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 196
  },
  "hsl": {
    "h": 202.162,
    "s": 48.472,
    "l": 55.098
  },
  "oklch": {
    "l": 0.66022,
    "c": 0.09347,
    "h": 236.3
  },
  "luminance": 0.2936
}

Semantic roles & 50–950 ramp

primary

#559BC4

secondary

#D2B4A3

accent

#8250D8

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1114

muted

#7E8083

Preview Lab

Preview with #559BC4

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

Preview Lab → · Contrast checker → · Palette generator →