#559BE0#559BE0

#559BE0 is a light, vivid cyan. Relative luminance 0.308; OKLCH L 67.4% C 0.125 H 249.9°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#559BE0
RGB	rgb(85, 155, 224)
HSL	hsl(210, 69%, 61%)
HSV	hsv(210, 62%, 88%)
CMYK	cmyk(62.1%, 30.8%, 0%, 12.2%)
CIE-LAB	lab(62.30, -1.21, -41.57)
CIE-LCH	lch(62.30, 41.59, 268.34°)
OKLab	oklab(67.37% -0.043 -0.1174)
OKLCH	oklch(67.37% 0.125 249.9)
XYZ	xyz(28.9173, 30.7530, 74.9186)
Luminance	0.3076 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BE0 #E09A55

analogous

#55E0DF #559BE0 #5555E0

triadic

#559BE0 #E0559B #9BE055

tetradic

#559BE0 #DF55E0 #E09A55 #55E055

square

#559BE0 #DF55E0 #E09A55 #55E055

split-complementary

#559BE0 #E05555 #E0DF55

monochromatic

#1D5E9E #267DD2 #559BE0 #89B9E9 #BDD8F3

Accessibility & contrast

On white

2.94

#559BE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.15

#559BE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559BE0

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BE0	#FFFFFF	#000000	##000000
##559BE0	1.00	2.94	7.15	7.15
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.15	21.00	1.00	1.00
##000000	7.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9EE3

Deuteranopia (green-blind)

#6A91DF

Tritanopia (blue-blind)

#00ABB3

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #559be0;
/* rgb */ color: rgb(85, 155, 224);
/* oklch */ color: oklch(67.4% 0.125 249.9);

Tailwind

colors: {
  custom: {
    50: '#91b8ea',
    500: '#559be0',
    950: '#000000',
  },
}

SCSS

$custom: #559be0;
$custom-light: #91b8ea;
$custom-dark: #000000;

JSON

{
  "hex": "#559be0",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 224
  },
  "hsl": {
    "h": 209.784,
    "s": 69.154,
    "l": 60.588
  },
  "oklch": {
    "l": 0.67368,
    "c": 0.12501,
    "h": 249.9
  },
  "luminance": 0.30756
}

Semantic roles & 50–950 ramp

primary

#559BE0

secondary

#E3C8AE

accent

#7214D1

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559BE0

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

Preview Lab → · Contrast checker → · Palette generator →