#559AF0#559AF0

#559AF0 is a light, vivid cyan. Relative luminance 0.313; OKLCH L 68.0% C 0.146 H 255.0°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#559AF0
RGB	rgb(85, 154, 240)
HSL	hsl(213, 84%, 64%)
HSV	hsv(213, 65%, 94%)
CMYK	cmyk(64.6%, 35.8%, 0%, 5.9%)
CIE-LAB	lab(62.79, 4.67, -49.63)
CIE-LCH	lch(62.79, 49.85, 275.38°)
OKLab	oklab(68% -0.0378 -0.1409)
OKLCH	oklch(68% 0.146 255)
XYZ	xyz(31.0244, 31.3307, 86.8336)
Luminance	0.3133 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559AF0 #F0AB55

analogous

#55E8F0 #559AF0 #5D55F0

triadic

#559AF0 #F0559A #9AF055

tetradic

#559AF0 #F055E8 #F0AB55 #55F05D

square

#559AF0 #F055E8 #F0AB55 #55F05D

split-complementary

#559AF0 #F05D55 #E8F055

monochromatic

#105CBA #1D79EB #559AF0 #8DBBF5 #C5DDFA

Accessibility & contrast

On white

2.89

#559AF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.27

#559AF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559AF0

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559AF0	#FFFFFF	#000000	##000000
##559AF0	1.00	2.89	7.27	7.27
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.27	21.00	1.00	1.00
##000000	7.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74A0F4

Deuteranopia (green-blind)

#5E91EE

Tritanopia (blue-blind)

#00AEBA

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #559af0;
/* rgb */ color: rgb(85, 154, 240);
/* oklch */ color: oklch(68.0% 0.146 255.0);

Tailwind

colors: {
  custom: {
    50: '#93b7f5',
    500: '#559af0',
    950: '#000000',
  },
}

SCSS

$custom: #559af0;
$custom-light: #93b7f5;
$custom-dark: #000000;

JSON

{
  "hex": "#559af0",
  "rgb": {
    "r": 85,
    "g": 154,
    "b": 240
  },
  "hsl": {
    "h": 213.29,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.68,
    "c": 0.14588,
    "h": 255
  },
  "luminance": 0.31334
}

Semantic roles & 50–950 ramp

primary

#559AF0

secondary

#ECD3B5

accent

#7F05E0

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #559AF0

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

Preview Lab → · Contrast checker → · Palette generator →