#559AE4#559AE4

#559AE4 is a light, vivid cyan. Relative luminance 0.306; OKLCH L 67.4% C 0.131 H 251.8°. Best body text is #000000 at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#559AE4
RGB	rgb(85, 154, 228)
HSL	hsl(211, 73%, 61%)
HSV	hsv(211, 63%, 89%)
CMYK	cmyk(62.7%, 32.5%, 0%, 10.6%)
CIE-LAB	lab(62.20, 0.68, -43.93)
CIE-LCH	lch(62.20, 43.94, 270.89°)
OKLab	oklab(67.35% -0.0409 -0.1243)
OKLCH	oklch(67.35% 0.131 251.8)
XYZ	xyz(29.3004, 30.6411, 77.7539)
Luminance	0.3064 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559AE4 #E49F55

analogous

#55E2E4 #559AE4 #5855E4

triadic

#559AE4 #E4559A #9AE455

tetradic

#559AE4 #E455E2 #E49F55 #55E458

square

#559AE4 #E455E2 #E49F55 #55E458

split-complementary

#559AE4 #E45855 #E2E455

monochromatic

#1A5DA4 #237BD9 #559AE4 #8AB9EC #BFD9F5

Accessibility & contrast

On white

2.95

#559AE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.13

#559AE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559AE4

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559AE4	#FFFFFF	#000000	##000000
##559AE4	1.00	2.95	7.13	7.13
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.13	21.00	1.00	1.00
##000000	7.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9EE7

Deuteranopia (green-blind)

#6790E3

Tritanopia (blue-blind)

#00ABB5

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559ae4;
/* rgb */ color: rgb(85, 154, 228);
/* oklch */ color: oklch(67.4% 0.131 251.8);

Tailwind

colors: {
  custom: {
    50: '#91b7ed',
    500: '#559ae4',
    950: '#000000',
  },
}

SCSS

$custom: #559ae4;
$custom-light: #91b7ed;
$custom-dark: #000000;

JSON

{
  "hex": "#559ae4",
  "rgb": {
    "r": 85,
    "g": 154,
    "b": 228
  },
  "hsl": {
    "h": 211.049,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.67354,
    "c": 0.13081,
    "h": 251.8
  },
  "luminance": 0.30644
}

Semantic roles & 50–950 ramp

primary

#559AE4

secondary

#E5CBB0

accent

#7611D5

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559AE4

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

Preview Lab → · Contrast checker → · Palette generator →