#559EE4#559EE4

#559EE4 is a light, vivid cyan. Relative luminance 0.320; OKLCH L 68.2% C 0.127 H 249.3°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#559EE4
RGB	rgb(85, 158, 228)
HSL	hsl(209, 73%, 61%)
HSV	hsv(209, 63%, 89%)
CMYK	cmyk(62.7%, 30.7%, 0%, 10.6%)
CIE-LAB	lab(63.33, -1.61, -42.16)
CIE-LCH	lch(63.33, 42.19, 267.81°)
OKLab	oklab(68.24% -0.045 -0.1191)
OKLCH	oklch(68.24% 0.127 249.3)
XYZ	xyz(29.9716, 31.9835, 77.9777)
Luminance	0.3199 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559EE4 #E49B55

analogous

#55E4E3 #559EE4 #5557E4

triadic

#559EE4 #E4559E #9EE455

tetradic

#559EE4 #E355E4 #E49B55 #57E455

square

#559EE4 #E355E4 #E49B55 #57E455

split-complementary

#559EE4 #E45557 #E4E355

monochromatic

#1A61A4 #2380D9 #559EE4 #8ABCEC #BFDAF5

Accessibility & contrast

On white

2.84

#559EE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.40

#559EE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559EE4

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559EE4	#FFFFFF	#000000	##000000
##559EE4	1.00	2.84	7.40	7.40
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.40	21.00	1.00	1.00
##000000	7.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80A1E7

Deuteranopia (green-blind)

#6C93E3

Tritanopia (blue-blind)

#00AEB7

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #559ee4;
/* rgb */ color: rgb(85, 158, 228);
/* oklch */ color: oklch(68.2% 0.127 249.3);

Tailwind

colors: {
  custom: {
    50: '#91baed',
    500: '#559ee4',
    950: '#000000',
  },
}

SCSS

$custom: #559ee4;
$custom-light: #91baed;
$custom-dark: #000000;

JSON

{
  "hex": "#559ee4",
  "rgb": {
    "r": 85,
    "g": 158,
    "b": 228
  },
  "hsl": {
    "h": 209.371,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.68238,
    "c": 0.12728,
    "h": 249.3
  },
  "luminance": 0.31986
}

Semantic roles & 50–950 ramp

primary

#559EE4

secondary

#E5CAB0

accent

#7111D5

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559EE4

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

Preview Lab → · Contrast checker → · Palette generator →