#559CEE#559CEE

#559CEE is a light, vivid cyan. Relative luminance 0.319; OKLCH L 68.3% C 0.141 H 253.5°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#559CEE
RGB	rgb(85, 156, 238)
HSL	hsl(212, 82%, 63%)
HSV	hsv(212, 64%, 93%)
CMYK	cmyk(64.3%, 34.5%, 0%, 6.7%)
CIE-LAB	lab(63.24, 2.84, -47.81)
CIE-LCH	lch(63.24, 47.90, 273.40°)
OKLab	oklab(68.33% -0.0403 -0.1355)
OKLCH	oklch(68.33% 0.141 253.5)
XYZ	xyz(31.0618, 31.8782, 85.3885)
Luminance	0.3188 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CEE #EEA755

analogous

#55E8EE #559CEE #5A55EE

triadic

#559CEE #EE559C #9CEE55

tetradic

#559CEE #EE55E8 #EEA755 #55EE5A

square

#559CEE #EE55E8 #EEA755 #55EE5A

split-complementary

#559CEE #EE5A55 #E8EE55

monochromatic

#125EB6 #1D7CE8 #559CEE #8DBCF4 #C4DDF9

Accessibility & contrast

On white

2.85

#559CEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.38

#559CEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559CEE

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CEE	#FFFFFF	#000000	##000000
##559CEE	1.00	2.85	7.38	7.38
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.38	21.00	1.00	1.00
##000000	7.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A1F1

Deuteranopia (green-blind)

#6392EC

Tritanopia (blue-blind)

#00AFBA

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #559cee;
/* rgb */ color: rgb(85, 156, 238);
/* oklch */ color: oklch(68.3% 0.141 253.5);

Tailwind

colors: {
  custom: {
    50: '#93b8f4',
    500: '#559cee',
    950: '#000000',
  },
}

SCSS

$custom: #559cee;
$custom-light: #93b8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#559cee",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 238
  },
  "hsl": {
    "h": 212.157,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.68325,
    "c": 0.1414,
    "h": 253.5
  },
  "luminance": 0.31881
}

Semantic roles & 50–950 ramp

primary

#559CEE

secondary

#EBD1B4

accent

#7A07DE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #559CEE

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

Preview Lab → · Contrast checker → · Palette generator →