#559CE4#559CE4

#559CE4 is a light, vivid cyan. Relative luminance 0.313; OKLCH L 67.8% C 0.129 H 250.6°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#559CE4
RGB	rgb(85, 156, 228)
HSL	hsl(210, 73%, 61%)
HSV	hsv(210, 63%, 89%)
CMYK	cmyk(62.7%, 31.6%, 0%, 10.6%)
CIE-LAB	lab(62.77, -0.47, -43.05)
CIE-LCH	lch(62.77, 43.05, 269.38°)
OKLab	oklab(67.8% -0.0429 -0.1217)
OKLCH	oklch(67.8% 0.129 250.6)
XYZ	xyz(29.6332, 31.3068, 77.8649)
Luminance	0.3131 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CE4 #E49D55

analogous

#55E3E4 #559CE4 #5655E4

triadic

#559CE4 #E4559C #9CE455

tetradic

#559CE4 #E455E3 #E49D55 #55E456

square

#559CE4 #E455E3 #E49D55 #55E456

split-complementary

#559CE4 #E45655 #E3E455

monochromatic

#1A5FA4 #237DD9 #559CE4 #8ABBEC #BFDAF5

Accessibility & contrast

On white

2.89

#559CE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#559CE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559CE4

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CE4	#FFFFFF	#000000	##000000
##559CE4	1.00	2.89	7.26	7.26
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.26	21.00	1.00	1.00
##000000	7.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9FE7

Deuteranopia (green-blind)

#6992E3

Tritanopia (blue-blind)

#00ADB6

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #559ce4;
/* rgb */ color: rgb(85, 156, 228);
/* oklch */ color: oklch(67.8% 0.129 250.6);

Tailwind

colors: {
  custom: {
    50: '#91b8ed',
    500: '#559ce4',
    950: '#000000',
  },
}

SCSS

$custom: #559ce4;
$custom-light: #91b8ed;
$custom-dark: #000000;

JSON

{
  "hex": "#559ce4",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 228
  },
  "hsl": {
    "h": 210.21,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.67795,
    "c": 0.12902,
    "h": 250.6
  },
  "luminance": 0.3131
}

Semantic roles & 50–950 ramp

primary

#559CE4

secondary

#E5CBB0

accent

#7311D5

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559CE4

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

Preview Lab → · Contrast checker → · Palette generator →