#559DF0#559DF0

#559DF0 is a light, vivid cyan. Relative luminance 0.323; OKLCH L 68.7% C 0.143 H 253.4°. Best body text is #000000 at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#559DF0
RGB	rgb(85, 157, 240)
HSL	hsl(212, 84%, 64%)
HSV	hsv(212, 65%, 94%)
CMYK	cmyk(64.6%, 34.6%, 0%, 5.9%)
CIE-LAB	lab(63.62, 2.93, -48.32)
CIE-LCH	lch(63.62, 48.41, 273.47°)
OKLab	oklab(68.65% -0.0407 -0.137)
OKLCH	oklch(68.65% 0.143 253.4)
XYZ	xyz(31.5257, 32.3334, 87.0007)
Luminance	0.3234 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DF0 #F0A855

analogous

#55EAF0 #559DF0 #5A55F0

triadic

#559DF0 #F0559D #9DF055

tetradic

#559DF0 #F055EA #F0A855 #55F05A

square

#559DF0 #F055EA #F0A855 #55F05A

split-complementary

#559DF0 #F05A55 #EAF055

monochromatic

#105FBA #1D7DEB #559DF0 #8DBDF5 #C5DEFA

Accessibility & contrast

On white

2.81

#559DF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.47

#559DF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DF0

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DF0	#FFFFFF	#000000	##000000
##559DF0	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)

#79A2F3

Deuteranopia (green-blind)

#6393EE

Tritanopia (blue-blind)

#00B0BB

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #559df0;
/* rgb */ color: rgb(85, 157, 240);
/* oklch */ color: oklch(68.7% 0.143 253.4);

Tailwind

colors: {
  custom: {
    50: '#93b9f5',
    500: '#559df0',
    950: '#000000',
  },
}

SCSS

$custom: #559df0;
$custom-light: #93b9f5;
$custom-dark: #000000;

JSON

{
  "hex": "#559df0",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 240
  },
  "hsl": {
    "h": 212.129,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.6865,
    "c": 0.14295,
    "h": 253.4
  },
  "luminance": 0.32337
}

Semantic roles & 50–950 ramp

primary

#559DF0

secondary

#ECD2B5

accent

#7B05E0

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #559DF0

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

Preview Lab → · Contrast checker → · Palette generator →