#559CCC#559CCC

#559CCC is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.6% C 0.101 H 240.2°. Best body text is #000000 at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#559CCC
RGB	rgb(85, 156, 204)
HSL	hsl(204, 54%, 57%)
HSV	hsv(204, 58%, 80%)
CMYK	cmyk(58.3%, 23.5%, 0%, 20%)
CIE-LAB	lab(61.71, -8.19, -31.36)
CIE-LCH	lch(61.71, 32.41, 255.35°)
OKLab	oklab(66.62% -0.0503 -0.0878)
OKLCH	oklch(66.62% 0.101 240.2)
XYZ	xyz(26.5298, 30.0654, 61.5201)
Luminance	0.3007 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CCC #CC8555

analogous

#55CCC1 #559CCC #5561CC

triadic

#559CCC #CC559C #9CCC55

tetradic

#559CCC #C155CC #CC8555 #61CC55

square

#559CCC #C155CC #CC8555 #61CC55

split-complementary

#559CCC #CC5561 #CCC155

monochromatic

#265C80 #357EAF #559CCC #84B7DA #B3D3E8

Accessibility & contrast

On white

2.99

#559CCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.01

#559CCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559CCC

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CCC	#FFFFFF	#000000	##000000
##559CCC	1.00	2.99	7.01	7.01
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.01	21.00	1.00	1.00
##000000	7.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869CCE

Deuteranopia (green-blind)

#7690CB

Tritanopia (blue-blind)

#00A8AC

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #559ccc;
/* rgb */ color: rgb(85, 156, 204);
/* oklch */ color: oklch(66.6% 0.101 240.2);

Tailwind

colors: {
  custom: {
    50: '#8eb9db',
    500: '#559ccc',
    950: '#000000',
  },
}

SCSS

$custom: #559ccc;
$custom-light: #8eb9db;
$custom-dark: #000000;

JSON

{
  "hex": "#559ccc",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 204
  },
  "hsl": {
    "h": 204.202,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.66616,
    "c": 0.10122,
    "h": 240.2
  },
  "luminance": 0.30068
}

Semantic roles & 50–950 ramp

primary

#559CCC

secondary

#D7BAA6

accent

#864BDD

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559CCC

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

Preview Lab → · Contrast checker → · Palette generator →