#559CE0#559CE0

#559CE0 is a light, vivid cyan. Relative luminance 0.311; OKLCH L 67.6% C 0.124 H 249.2°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#559CE0
RGB	rgb(85, 156, 224)
HSL	hsl(209, 69%, 61%)
HSV	hsv(209, 62%, 88%)
CMYK	cmyk(62.1%, 30.4%, 0%, 12.2%)
CIE-LAB	lab(62.58, -1.78, -41.12)
CIE-LCH	lch(62.58, 41.16, 267.52°)
OKLab	oklab(67.59% -0.0441 -0.1161)
OKLCH	oklch(67.59% 0.124 249.2)
XYZ	xyz(29.0844, 31.0873, 74.9743)
Luminance	0.3109 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CE0 #E09955

analogous

#55E0DF #559CE0 #5556E0

triadic

#559CE0 #E0559C #9CE055

tetradic

#559CE0 #DF55E0 #E09955 #56E055

square

#559CE0 #DF55E0 #E09955 #56E055

split-complementary

#559CE0 #E05556 #E0DF55

monochromatic

#1D5F9E #267ED2 #559CE0 #89BAE9 #BDD8F3

Accessibility & contrast

On white

2.91

#559CE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#559CE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559CE0

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CE0	#FFFFFF	#000000	##000000
##559CE0	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F9FE3

Deuteranopia (green-blind)

#6C91DF

Tritanopia (blue-blind)

#00ACB4

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #559ce0;
/* rgb */ color: rgb(85, 156, 224);
/* oklch */ color: oklch(67.6% 0.124 249.2);

Tailwind

colors: {
  custom: {
    50: '#91b8ea',
    500: '#559ce0',
    950: '#000000',
  },
}

SCSS

$custom: #559ce0;
$custom-light: #91b8ea;
$custom-dark: #000000;

JSON

{
  "hex": "#559ce0",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 224
  },
  "hsl": {
    "h": 209.353,
    "s": 69.154,
    "l": 60.588
  },
  "oklch": {
    "l": 0.6759,
    "c": 0.12416,
    "h": 249.2
  },
  "luminance": 0.3109
}

Semantic roles & 50–950 ramp

primary

#559CE0

secondary

#E3C8AE

accent

#7114D1

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559CE0

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

Preview Lab → · Contrast checker → · Palette generator →