#559EE3#559EE3

#559EE3 is a light, vivid cyan. Relative luminance 0.319; OKLCH L 68.2% C 0.126 H 249.0°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#559EE3
RGB	rgb(85, 158, 227)
HSL	hsl(209, 72%, 61%)
HSV	hsv(209, 63%, 89%)
CMYK	cmyk(62.6%, 30.4%, 0%, 11%)
CIE-LAB	lab(63.28, -1.94, -41.68)
CIE-LCH	lch(63.28, 41.73, 267.34°)
OKLab	oklab(68.19% -0.0453 -0.1177)
OKLCH	oklch(68.19% 0.126 249)
XYZ	xyz(29.8332, 31.9282, 77.2487)
Luminance	0.3193 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559EE3 #E39A55

analogous

#55E3E1 #559EE3 #5557E3

triadic

#559EE3 #E3559E #9EE355

tetradic

#559EE3 #E155E3 #E39A55 #57E355

square

#559EE3 #E155E3 #E39A55 #57E355

split-complementary

#559EE3 #E35557 #E3E155

monochromatic

#1B61A3 #2380D7 #559EE3 #8ABCEC #BEDAF4

Accessibility & contrast

On white

2.84

#559EE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.39

#559EE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559EE3

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559EE3	#FFFFFF	#000000	##000000
##559EE3	1.00	2.84	7.39	7.39
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.39	21.00	1.00	1.00
##000000	7.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80A1E6

Deuteranopia (green-blind)

#6D93E2

Tritanopia (blue-blind)

#00AEB6

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #559ee3;
/* rgb */ color: rgb(85, 158, 227);
/* oklch */ color: oklch(68.2% 0.126 249.0);

Tailwind

colors: {
  custom: {
    50: '#91baec',
    500: '#559ee3',
    950: '#000000',
  },
}

SCSS

$custom: #559ee3;
$custom-light: #91baec;
$custom-dark: #000000;

JSON

{
  "hex": "#559ee3",
  "rgb": {
    "r": 85,
    "g": 158,
    "b": 227
  },
  "hsl": {
    "h": 209.155,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.68187,
    "c": 0.12609,
    "h": 249
  },
  "luminance": 0.31931
}

Semantic roles & 50–950 ramp

primary

#559EE3

secondary

#E5C9AF

accent

#7012D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559EE3

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

Preview Lab → · Contrast checker → · Palette generator →