#559BE5#559BE5

#559BE5 is a light, vivid cyan. Relative luminance 0.310; OKLCH L 67.6% C 0.131 H 251.5°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#559BE5
RGB	rgb(85, 155, 229)
HSL	hsl(211, 73%, 62%)
HSV	hsv(211, 63%, 90%)
CMYK	cmyk(62.9%, 32.3%, 0%, 10.2%)
CIE-LAB	lab(62.53, 0.43, -43.97)
CIE-LCH	lch(62.53, 43.97, 270.57°)
OKLab	oklab(67.63% -0.0416 -0.1244)
OKLCH	oklch(67.63% 0.131 251.5)
XYZ	xyz(29.6053, 31.0283, 78.5424)
Luminance	0.3103 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BE5 #E59F55

analogous

#55E3E5 #559BE5 #5755E5

triadic

#559BE5 #E5559B #9BE555

tetradic

#559BE5 #E555E3 #E59F55 #55E557

square

#559BE5 #E555E3 #E59F55 #55E557

split-complementary

#559BE5 #E55755 #E3E555

monochromatic

#195EA6 #227CDB #559BE5 #8ABAED #BFD9F5

Accessibility & contrast

On white

2.91

#559BE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.21

#559BE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559BE5

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BE5	#FFFFFF	#000000	##000000
##559BE5	1.00	2.91	7.21	7.21
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.21	21.00	1.00	1.00
##000000	7.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B9FE8

Deuteranopia (green-blind)

#6791E4

Tritanopia (blue-blind)

#00ACB6

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #559be5;
/* rgb */ color: rgb(85, 155, 229);
/* oklch */ color: oklch(67.6% 0.131 251.5);

Tailwind

colors: {
  custom: {
    50: '#91b8ed',
    500: '#559be5',
    950: '#000000',
  },
}

SCSS

$custom: #559be5;
$custom-light: #91b8ed;
$custom-dark: #000000;

JSON

{
  "hex": "#559be5",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 229
  },
  "hsl": {
    "h": 210.833,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.67627,
    "c": 0.13114,
    "h": 251.5
  },
  "luminance": 0.31031
}

Semantic roles & 50–950 ramp

primary

#559BE5

secondary

#E6CCB0

accent

#7510D6

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559BE5

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

Preview Lab → · Contrast checker → · Palette generator →