#559DE3#559DE3

#559DE3 is a light, vivid cyan. Relative luminance 0.316; OKLCH L 68.0% C 0.127 H 249.6°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#559DE3
RGB	rgb(85, 157, 227)
HSL	hsl(210, 72%, 61%)
HSV	hsv(210, 63%, 89%)
CMYK	cmyk(62.6%, 30.8%, 0%, 11%)
CIE-LAB	lab(63.00, -1.37, -42.13)
CIE-LCH	lch(63.00, 42.15, 268.14°)
OKLab	oklab(67.97% -0.0442 -0.119)
OKLCH	oklch(67.97% 0.127 249.6)
XYZ	xyz(29.6633, 31.5884, 77.1921)
Luminance	0.3159 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DE3 #E39B55

analogous

#55E3E2 #559DE3 #5556E3

triadic

#559DE3 #E3559D #9DE355

tetradic

#559DE3 #E255E3 #E39B55 #56E355

square

#559DE3 #E255E3 #E39B55 #56E355

split-complementary

#559DE3 #E35556 #E3E255

monochromatic

#1B60A3 #237FD7 #559DE3 #8ABBEC #BEDAF4

Accessibility & contrast

On white

2.87

#559DE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#559DE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DE3

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DE3	#FFFFFF	#000000	##000000
##559DE3	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA0E6

Deuteranopia (green-blind)

#6B92E2

Tritanopia (blue-blind)

#00ADB6

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #559de3;
/* rgb */ color: rgb(85, 157, 227);
/* oklch */ color: oklch(68.0% 0.127 249.6);

Tailwind

colors: {
  custom: {
    50: '#91b9ec',
    500: '#559de3',
    950: '#000000',
  },
}

SCSS

$custom: #559de3;
$custom-light: #91b9ec;
$custom-dark: #000000;

JSON

{
  "hex": "#559de3",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 227
  },
  "hsl": {
    "h": 209.577,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.67965,
    "c": 0.12693,
    "h": 249.6
  },
  "luminance": 0.31591
}

Semantic roles & 50–950 ramp

primary

#559DE3

secondary

#E5CAAF

accent

#7112D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559DE3

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

Preview Lab → · Contrast checker → · Palette generator →