#559FE3#559FE3

#559FE3 is a light, vivid cyan. Relative luminance 0.323; OKLCH L 68.4% C 0.125 H 248.3°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#559FE3
RGB	rgb(85, 159, 227)
HSL	hsl(209, 72%, 61%)
HSV	hsv(209, 63%, 89%)
CMYK	cmyk(62.6%, 30%, 0%, 11%)
CIE-LAB	lab(63.57, -2.51, -41.24)
CIE-LCH	lch(63.57, 41.31, 266.52°)
OKLab	oklab(68.41% -0.0463 -0.1164)
OKLCH	oklch(68.41% 0.125 248.3)
XYZ	xyz(30.0045, 32.2707, 77.3058)
Luminance	0.3227 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FE3 #E39955

analogous

#55E3E0 #559FE3 #5558E3

triadic

#559FE3 #E3559F #9FE355

tetradic

#559FE3 #E055E3 #E39955 #58E355

square

#559FE3 #E055E3 #E39955 #58E355

split-complementary

#559FE3 #E35558 #E3E055

monochromatic

#1B62A3 #2381D7 #559FE3 #8ABDEC #BEDAF4

Accessibility & contrast

On white

2.82

#559FE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#559FE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FE3

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FE3	#FFFFFF	#000000	##000000
##559FE3	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82A2E6

Deuteranopia (green-blind)

#6E94E2

Tritanopia (blue-blind)

#00AFB7

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #559fe3;
/* rgb */ color: rgb(85, 159, 227);
/* oklch */ color: oklch(68.4% 0.125 248.3);

Tailwind

colors: {
  custom: {
    50: '#91bbec',
    500: '#559fe3',
    950: '#000000',
  },
}

SCSS

$custom: #559fe3;
$custom-light: #91bbec;
$custom-dark: #000000;

JSON

{
  "hex": "#559fe3",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 227
  },
  "hsl": {
    "h": 208.732,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.68409,
    "c": 0.12525,
    "h": 248.3
  },
  "luminance": 0.32274
}

Semantic roles & 50–950 ramp

primary

#559FE3

secondary

#E5C9AF

accent

#6F12D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559FE3

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

Preview Lab → · Contrast checker → · Palette generator →