#559FF4#559FF4

#559FF4 is a light, vivid cyan. Relative luminance 0.333; OKLCH L 69.3% C 0.146 H 253.4°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#559FF4
RGB	rgb(85, 159, 244)
HSL	hsl(212, 88%, 65%)
HSV	hsv(212, 65%, 96%)
CMYK	cmyk(65.2%, 34.8%, 0%, 4.3%)
CIE-LAB	lab(64.37, 3.11, -49.33)
CIE-LCH	lch(64.37, 49.42, 273.61°)
OKLab	oklab(69.3% -0.0417 -0.1399)
OKLCH	oklch(69.3% 0.146 253.4)
XYZ	xyz(32.4676, 33.2560, 90.2784)
Luminance	0.3326 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FF4 #F4AA55

analogous

#55EFF4 #559FF4 #5A55F4

triadic

#559FF4 #F4559F #9FF455

tetradic

#559FF4 #F455EF #F4AA55 #55F45A

square

#559FF4 #F455EF #F4AA55 #55F45A

split-complementary

#559FF4 #F45A55 #EFF455

monochromatic

#0D61C2 #1C7FF0 #559FF4 #8EBFF8 #C8E0FB

Accessibility & contrast

On white

2.74

#559FF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#559FF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FF4

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FF4	#FFFFFF	#000000	##000000
##559FF4	1.00	2.74	7.65	7.65
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA4F8

Deuteranopia (green-blind)

#6395F2

Tritanopia (blue-blind)

#00B3BE

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #559ff4;
/* rgb */ color: rgb(85, 159, 244);
/* oklch */ color: oklch(69.3% 0.146 253.4);

Tailwind

colors: {
  custom: {
    50: '#94bbf8',
    500: '#559ff4',
    950: '#000000',
  },
}

SCSS

$custom: #559ff4;
$custom-light: #94bbf8;
$custom-dark: #000000;

JSON

{
  "hex": "#559ff4",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 244
  },
  "hsl": {
    "h": 212.075,
    "s": 87.845,
    "l": 64.51
  },
  "oklch": {
    "l": 0.69301,
    "c": 0.14602,
    "h": 253.4
  },
  "luminance": 0.33259
}

Semantic roles & 50–950 ramp

primary

#559FF4

secondary

#EED4B7

accent

#7B01E4

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #559FF4

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

Preview Lab → · Contrast checker → · Palette generator →