#559AEC#559AEC

#559AEC is a light, vivid cyan. Relative luminance 0.311; OKLCH L 67.8% C 0.141 H 254.0°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#559AEC
RGB	rgb(85, 154, 236)
HSL	hsl(213, 80%, 63%)
HSV	hsv(213, 64%, 93%)
CMYK	cmyk(64%, 34.7%, 0%, 7.5%)
CIE-LAB	lab(62.59, 3.33, -47.74)
CIE-LCH	lch(62.59, 47.86, 273.99°)
OKLab	oklab(67.78% -0.0388 -0.1354)
OKLCH	oklch(67.78% 0.141 254)
XYZ	xyz(30.4367, 31.0956, 83.7387)
Luminance	0.3110 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559AEC #ECA755

analogous

#55E5EC #559AEC #5B55EC

triadic

#559AEC #EC559A #9AEC55

tetradic

#559AEC #EC55E5 #ECA755 #55EC5B

square

#559AEC #EC55E5 #ECA755 #55EC5B

split-complementary

#559AEC #EC5B55 #E5EC55

monochromatic

#145CB3 #1E79E6 #559AEC #8CBBF2 #C3DBF8

Accessibility & contrast

On white

2.91

#559AEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#559AEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559AEC

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559AEC	#FFFFFF	#000000	##000000
##559AEC	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#769FEF

Deuteranopia (green-blind)

#6191EA

Tritanopia (blue-blind)

#00ADB8

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #559aec;
/* rgb */ color: rgb(85, 154, 236);
/* oklch */ color: oklch(67.8% 0.141 254.0);

Tailwind

colors: {
  custom: {
    50: '#92b7f2',
    500: '#559aec',
    950: '#000000',
  },
}

SCSS

$custom: #559aec;
$custom-light: #92b7f2;
$custom-dark: #000000;

JSON

{
  "hex": "#559aec",
  "rgb": {
    "r": 85,
    "g": 154,
    "b": 236
  },
  "hsl": {
    "h": 212.583,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.67781,
    "c": 0.14082,
    "h": 254
  },
  "luminance": 0.31099
}

Semantic roles & 50–950 ramp

primary

#559AEC

secondary

#EAD1B3

accent

#7C09DC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #559AEC

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

Preview Lab → · Contrast checker → · Palette generator →