#559CE9#559CE9

#559CE9 is a light, vivid cyan. Relative luminance 0.316; OKLCH L 68.1% C 0.135 H 252.1°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#559CE9
RGB	rgb(85, 156, 233)
HSL	hsl(211, 77%, 62%)
HSV	hsv(211, 64%, 91%)
CMYK	cmyk(63.5%, 33%, 0%, 8.6%)
CIE-LAB	lab(63.00, 1.18, -45.44)
CIE-LCH	lch(63.00, 45.45, 271.49°)
OKLab	oklab(68.06% -0.0416 -0.1286)
OKLCH	oklch(68.06% 0.135 252.1)
XYZ	xyz(30.3374, 31.5885, 81.5734)
Luminance	0.3159 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CE9 #E9A255

analogous

#55E6E9 #559CE9 #5855E9

triadic

#559CE9 #E9559C #9CE955

tetradic

#559CE9 #E955E6 #E9A255 #55E958

square

#559CE9 #E955E6 #E9A255 #55E958

split-complementary

#559CE9 #E95855 #E6E955

monochromatic

#165FAD #1F7CE2 #559CE9 #8BBCF0 #C1DBF7

Accessibility & contrast

On white

2.87

#559CE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#559CE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559CE9

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CE9	#FFFFFF	#000000	##000000
##559CE9	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)

#7BA0EC

Deuteranopia (green-blind)

#6692E7

Tritanopia (blue-blind)

#00AEB8

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #559ce9;
/* rgb */ color: rgb(85, 156, 233);
/* oklch */ color: oklch(68.1% 0.135 252.1);

Tailwind

colors: {
  custom: {
    50: '#92b8f0',
    500: '#559ce9',
    950: '#000000',
  },
}

SCSS

$custom: #559ce9;
$custom-light: #92b8f0;
$custom-dark: #000000;

JSON

{
  "hex": "#559ce9",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 233
  },
  "hsl": {
    "h": 211.216,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.68057,
    "c": 0.13518,
    "h": 252.1
  },
  "luminance": 0.31591
}

Semantic roles & 50–950 ramp

primary

#559CE9

secondary

#E8CEB2

accent

#770CD9

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559CE9

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

Preview Lab → · Contrast checker → · Palette generator →