#559FE4#559FE4

#559FE4 is a light, vivid cyan. Relative luminance 0.323; OKLCH L 68.5% C 0.126 H 248.7°. Best body text is #000000 at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#559FE4
RGB	rgb(85, 159, 228)
HSL	hsl(209, 73%, 61%)
HSV	hsv(209, 63%, 89%)
CMYK	cmyk(62.7%, 30.3%, 0%, 10.6%)
CIE-LAB	lab(63.61, -2.18, -41.72)
CIE-LCH	lch(63.61, 41.78, 267.01°)
OKLab	oklab(68.46% -0.046 -0.1178)
OKLCH	oklch(68.46% 0.126 248.7)
XYZ	xyz(30.1429, 32.3261, 78.0348)
Luminance	0.3233 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FE4 #E49A55

analogous

#55E4E2 #559FE4 #5558E4

triadic

#559FE4 #E4559F #9FE455

tetradic

#559FE4 #E255E4 #E49A55 #58E455

square

#559FE4 #E255E4 #E49A55 #58E455

split-complementary

#559FE4 #E45558 #E4E255

monochromatic

#1A62A4 #2381D9 #559FE4 #8ABDEC #BFDBF5

Accessibility & contrast

On white

2.81

#559FE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.47

#559FE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FE4

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FE4	#FFFFFF	#000000	##000000
##559FE4	1.00	2.81	7.47	7.47
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.47	21.00	1.00	1.00
##000000	7.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A2E7

Deuteranopia (green-blind)

#6E94E3

Tritanopia (blue-blind)

#00AFB7

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #559fe4;
/* rgb */ color: rgb(85, 159, 228);
/* oklch */ color: oklch(68.5% 0.126 248.7);

Tailwind

colors: {
  custom: {
    50: '#91bbed',
    500: '#559fe4',
    950: '#000000',
  },
}

SCSS

$custom: #559fe4;
$custom-light: #91bbed;
$custom-dark: #000000;

JSON

{
  "hex": "#559fe4",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 228
  },
  "hsl": {
    "h": 208.951,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.6846,
    "c": 0.12645,
    "h": 248.7
  },
  "luminance": 0.32329
}

Semantic roles & 50–950 ramp

primary

#559FE4

secondary

#E5C9B0

accent

#6F11D5

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559FE4

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

Preview Lab → · Contrast checker → · Palette generator →