#559DEC#559DEC

#559DEC is a light, vivid cyan. Relative luminance 0.321; OKLCH L 68.4% C 0.138 H 252.4°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#559DEC
RGB	rgb(85, 157, 236)
HSL	hsl(211, 80%, 63%)
HSV	hsv(211, 64%, 93%)
CMYK	cmyk(64%, 33.5%, 0%, 7.5%)
CIE-LAB	lab(63.42, 1.60, -46.42)
CIE-LCH	lch(63.42, 46.45, 271.97°)
OKLab	oklab(68.44% -0.0418 -0.1315)
OKLCH	oklch(68.44% 0.138 252.4)
XYZ	xyz(30.9381, 32.0983, 83.9058)
Luminance	0.3210 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DEC #ECA455

analogous

#55E8EC #559DEC #5955EC

triadic

#559DEC #EC559D #9DEC55

tetradic

#559DEC #EC55E8 #ECA455 #55EC59

square

#559DEC #EC55E8 #ECA455 #55EC59

split-complementary

#559DEC #EC5955 #E8EC55

monochromatic

#1460B3 #1E7DE6 #559DEC #8CBDF2 #C3DCF8

Accessibility & contrast

On white

2.83

#559DEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#559DEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DEC

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DEC	#FFFFFF	#000000	##000000
##559DEC	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA1EF

Deuteranopia (green-blind)

#6693EA

Tritanopia (blue-blind)

#00AFBA

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #559dec;
/* rgb */ color: rgb(85, 157, 236);
/* oklch */ color: oklch(68.4% 0.138 252.4);

Tailwind

colors: {
  custom: {
    50: '#92b9f2',
    500: '#559dec',
    950: '#000000',
  },
}

SCSS

$custom: #559dec;
$custom-light: #92b9f2;
$custom-dark: #000000;

JSON

{
  "hex": "#559dec",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 236
  },
  "hsl": {
    "h": 211.391,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.68435,
    "c": 0.13797,
    "h": 252.4
  },
  "luminance": 0.32101
}

Semantic roles & 50–950 ramp

primary

#559DEC

secondary

#EAD0B3

accent

#7809DC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #559DEC

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

Preview Lab → · Contrast checker → · Palette generator →