#559EF0#559EF0

#559EF0 is a light, vivid cyan. Relative luminance 0.327; OKLCH L 68.9% C 0.142 H 252.9°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#559EF0
RGB	rgb(85, 158, 240)
HSL	hsl(212, 84%, 64%)
HSV	hsv(212, 65%, 94%)
CMYK	cmyk(64.6%, 34.2%, 0%, 5.9%)
CIE-LAB	lab(63.90, 2.35, -47.88)
CIE-LCH	lch(63.90, 47.94, 272.81°)
OKLab	oklab(68.87% -0.0417 -0.1357)
OKLCH	oklch(68.87% 0.142 252.9)
XYZ	xyz(31.6956, 32.6731, 87.0574)
Luminance	0.3268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559EF0 #F0A755

analogous

#55EBF0 #559EF0 #5955F0

triadic

#559EF0 #F0559E #9EF055

tetradic

#559EF0 #F055EB #F0A755 #55F059

square

#559EF0 #F055EB #F0A755 #55F059

split-complementary

#559EF0 #F05955 #EBF055

monochromatic

#1060BA #1D7EEB #559EF0 #8DBEF5 #C5DEFA

Accessibility & contrast

On white

2.79

#559EF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.54

#559EF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559EF0

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559EF0	#FFFFFF	#000000	##000000
##559EF0	1.00	2.79	7.54	7.54
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.54	21.00	1.00	1.00
##000000	7.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA3F3

Deuteranopia (green-blind)

#6594EE

Tritanopia (blue-blind)

#00B1BC

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #559ef0;
/* rgb */ color: rgb(85, 158, 240);
/* oklch */ color: oklch(68.9% 0.142 252.9);

Tailwind

colors: {
  custom: {
    50: '#93baf5',
    500: '#559ef0',
    950: '#000000',
  },
}

SCSS

$custom: #559ef0;
$custom-light: #93baf5;
$custom-dark: #000000;

JSON

{
  "hex": "#559ef0",
  "rgb": {
    "r": 85,
    "g": 158,
    "b": 240
  },
  "hsl": {
    "h": 211.742,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.68867,
    "c": 0.142,
    "h": 252.9
  },
  "luminance": 0.32676
}

Semantic roles & 50–950 ramp

primary

#559EF0

secondary

#ECD2B5

accent

#7905E0

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #559EF0

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

Preview Lab → · Contrast checker → · Palette generator →