#559FE5#559FE5

#559FE5 is a light, vivid cyan. Relative luminance 0.324; OKLCH L 68.5% C 0.128 H 249.0°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#559FE5
RGB	rgb(85, 159, 229)
HSL	hsl(209, 73%, 62%)
HSV	hsv(209, 63%, 90%)
CMYK	cmyk(62.9%, 30.6%, 0%, 10.2%)
CIE-LAB	lab(63.66, -1.85, -42.20)
CIE-LCH	lch(63.66, 42.24, 267.48°)
OKLab	oklab(68.51% -0.0457 -0.1192)
OKLCH	oklch(68.51% 0.128 249)
XYZ	xyz(30.2821, 32.3818, 78.7680)
Luminance	0.3239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FE5 #E59B55

analogous

#55E5E3 #559FE5 #5557E5

triadic

#559FE5 #E5559F #9FE555

tetradic

#559FE5 #E355E5 #E59B55 #57E555

square

#559FE5 #E355E5 #E59B55 #57E555

split-complementary

#559FE5 #E55557 #E5E355

monochromatic

#1962A6 #2281DB #559FE5 #8ABDED #BFDBF5

Accessibility & contrast

On white

2.81

#559FE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#559FE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FE5

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FE5	#FFFFFF	#000000	##000000
##559FE5	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A2E8

Deuteranopia (green-blind)

#6D94E4

Tritanopia (blue-blind)

#00AFB8

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #559fe5;
/* rgb */ color: rgb(85, 159, 229);
/* oklch */ color: oklch(68.5% 0.128 249.0);

Tailwind

colors: {
  custom: {
    50: '#91bbed',
    500: '#559fe5',
    950: '#000000',
  },
}

SCSS

$custom: #559fe5;
$custom-light: #91bbed;
$custom-dark: #000000;

JSON

{
  "hex": "#559fe5",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 229
  },
  "hsl": {
    "h": 209.167,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.68511,
    "c": 0.12764,
    "h": 249
  },
  "luminance": 0.32385
}

Semantic roles & 50–950 ramp

primary

#559FE5

secondary

#E6CAB0

accent

#7010D6

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559FE5

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

Preview Lab → · Contrast checker → · Palette generator →