#559AE3#559AE3

#559AE3 is a light, vivid cyan. Relative luminance 0.306; OKLCH L 67.3% C 0.130 H 251.5°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#559AE3
RGB	rgb(85, 154, 227)
HSL	hsl(211, 72%, 61%)
HSV	hsv(211, 63%, 89%)
CMYK	cmyk(62.6%, 32.2%, 0%, 11%)
CIE-LAB	lab(62.16, 0.35, -43.45)
CIE-LCH	lch(62.16, 43.45, 270.46°)
OKLab	oklab(67.3% -0.0411 -0.1229)
OKLCH	oklch(67.3% 0.13 251.5)
XYZ	xyz(29.1620, 30.5857, 77.0250)
Luminance	0.3059 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559AE3 #E39E55

analogous

#55E1E3 #559AE3 #5755E3

triadic

#559AE3 #E3559A #9AE355

tetradic

#559AE3 #E355E1 #E39E55 #55E357

square

#559AE3 #E355E1 #E39E55 #55E357

split-complementary

#559AE3 #E35755 #E1E355

monochromatic

#1B5DA3 #237BD7 #559AE3 #8AB9EC #BED8F4

Accessibility & contrast

On white

2.95

#559AE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.12

#559AE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559AE3

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559AE3	#FFFFFF	#000000	##000000
##559AE3	1.00	2.95	7.12	7.12
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.12	21.00	1.00	1.00
##000000	7.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B9EE6

Deuteranopia (green-blind)

#6790E2

Tritanopia (blue-blind)

#00ABB4

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559ae3;
/* rgb */ color: rgb(85, 154, 227);
/* oklch */ color: oklch(67.3% 0.130 251.5);

Tailwind

colors: {
  custom: {
    50: '#91b7ec',
    500: '#559ae3',
    950: '#000000',
  },
}

SCSS

$custom: #559ae3;
$custom-light: #91b7ec;
$custom-dark: #000000;

JSON

{
  "hex": "#559ae3",
  "rgb": {
    "r": 85,
    "g": 154,
    "b": 227
  },
  "hsl": {
    "h": 210.845,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.67302,
    "c": 0.12958,
    "h": 251.5
  },
  "luminance": 0.30589
}

Semantic roles & 50–950 ramp

primary

#559AE3

secondary

#E5CBAF

accent

#7512D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559AE3

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

Preview Lab → · Contrast checker → · Palette generator →