#559CEB#559CEB

#559CEB is a light, vivid cyan. Relative luminance 0.317; OKLCH L 68.2% C 0.138 H 252.7°. Best body text is #000000 at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#559CEB
RGB	rgb(85, 156, 235)
HSL	hsl(212, 79%, 63%)
HSV	hsv(212, 64%, 92%)
CMYK	cmyk(63.8%, 33.6%, 0%, 7.8%)
CIE-LAB	lab(63.10, 1.84, -46.39)
CIE-LCH	lch(63.10, 46.42, 272.28°)
OKLab	oklab(68.16% -0.041 -0.1314)
OKLCH	oklch(68.16% 0.138 252.7)
XYZ	xyz(30.6247, 31.7034, 83.0866)
Luminance	0.3171 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CEB #EBA455

analogous

#55E7EB #559CEB #5955EB

triadic

#559CEB #EB559C #9CEB55

tetradic

#559CEB #EB55E7 #EBA455 #55EB59

square

#559CEB #EB55E7 #EBA455 #55EB59

split-complementary

#559CEB #EB5955 #E7EB55

monochromatic

#155FB1 #1E7CE5 #559CEB #8CBCF1 #C3DCF8

Accessibility & contrast

On white

2.86

#559CEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.34

#559CEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559CEB

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CEB	#FFFFFF	#000000	##000000
##559CEB	1.00	2.86	7.34	7.34
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.34	21.00	1.00	1.00
##000000	7.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA1EE

Deuteranopia (green-blind)

#6592E9

Tritanopia (blue-blind)

#00AEB9

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #559ceb;
/* rgb */ color: rgb(85, 156, 235);
/* oklch */ color: oklch(68.2% 0.138 252.7);

Tailwind

colors: {
  custom: {
    50: '#92b8f2',
    500: '#559ceb',
    950: '#000000',
  },
}

SCSS

$custom: #559ceb;
$custom-light: #92b8f2;
$custom-dark: #000000;

JSON

{
  "hex": "#559ceb",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 235
  },
  "hsl": {
    "h": 211.6,
    "s": 78.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.68163,
    "c": 0.13766,
    "h": 252.7
  },
  "luminance": 0.31706
}

Semantic roles & 50–950 ramp

primary

#559CEB

secondary

#E9CFB3

accent

#780ADB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #559CEB

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

Preview Lab → · Contrast checker → · Palette generator →