#559BE9#559BE9

#559BE9 is a light, vivid cyan. Relative luminance 0.313; OKLCH L 67.8% C 0.136 H 252.7°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#559BE9
RGB	rgb(85, 155, 233)
HSL	hsl(212, 77%, 62%)
HSV	hsv(212, 64%, 91%)
CMYK	cmyk(63.5%, 33.5%, 0%, 8.6%)
CIE-LAB	lab(62.72, 1.76, -45.88)
CIE-LCH	lch(62.72, 45.91, 272.19°)
OKLab	oklab(67.84% -0.0406 -0.1299)
OKLCH	oklch(67.84% 0.136 252.7)
XYZ	xyz(30.1703, 31.2542, 81.5177)
Luminance	0.3126 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BE9 #E9A355

analogous

#55E5E9 #559BE9 #5955E9

triadic

#559BE9 #E9559B #9BE955

tetradic

#559BE9 #E955E5 #E9A355 #55E959

square

#559BE9 #E955E5 #E9A355 #55E959

split-complementary

#559BE9 #E95955 #E5E955

monochromatic

#165EAD #1F7BE2 #559BE9 #8BBBF0 #C1DBF7

Accessibility & contrast

On white

2.90

#559BE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#559BE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559BE9

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BE9	#FFFFFF	#000000	##000000
##559BE9	1.00	2.90	7.25	7.25
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#799FEC

Deuteranopia (green-blind)

#6591E7

Tritanopia (blue-blind)

#00ADB7

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #559be9;
/* rgb */ color: rgb(85, 155, 233);
/* oklch */ color: oklch(67.8% 0.136 252.7);

Tailwind

colors: {
  custom: {
    50: '#92b8f0',
    500: '#559be9',
    950: '#000000',
  },
}

SCSS

$custom: #559be9;
$custom-light: #92b8f0;
$custom-dark: #000000;

JSON

{
  "hex": "#559be9",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 233
  },
  "hsl": {
    "h": 211.622,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.67838,
    "c": 0.1361,
    "h": 252.7
  },
  "luminance": 0.31257
}

Semantic roles & 50–950 ramp

primary

#559BE9

secondary

#E8CEB2

accent

#780CD9

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559BE9

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

Preview Lab → · Contrast checker → · Palette generator →