#559ACE#559ACE

#559ACE is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.3% C 0.105 H 243.0°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#559ACE
RGB	rgb(85, 154, 206)
HSL	hsl(206, 55%, 57%)
HSV	hsv(206, 59%, 81%)
CMYK	cmyk(58.7%, 25.2%, 0%, 19.2%)
CIE-LAB	lab(61.22, -6.44, -33.24)
CIE-LCH	lch(61.22, 33.86, 259.03°)
OKLab	oklab(66.25% -0.0474 -0.0933)
OKLCH	oklch(66.25% 0.105 243)
XYZ	xyz(26.4384, 29.4963, 62.6806)
Luminance	0.2950 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559ACE #CE8955

analogous

#55CEC5 #559ACE #555ECE

triadic

#559ACE #CE559A #9ACE55

tetradic

#559ACE #C555CE #CE8955 #5ECE55

square

#559ACE #C555CE #CE8955 #5ECE55

split-complementary

#559ACE #CE555E #CEC555

monochromatic

#265B83 #337CB2 #559ACE #85B6DC #B4D2E9

Accessibility & contrast

On white

3.04

#559ACE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#559ACE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559ACE

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559ACE	#FFFFFF	#000000	##000000
##559ACE	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#839BD0

Deuteranopia (green-blind)

#738ECD

Tritanopia (blue-blind)

#00A7AC

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #559ace;
/* rgb */ color: rgb(85, 154, 206);
/* oklch */ color: oklch(66.3% 0.105 243.0);

Tailwind

colors: {
  custom: {
    50: '#8eb7dd',
    500: '#559ace',
    950: '#000000',
  },
}

SCSS

$custom: #559ace;
$custom-light: #8eb7dd;
$custom-dark: #000000;

JSON

{
  "hex": "#559ace",
  "rgb": {
    "r": 85,
    "g": 154,
    "b": 206
  },
  "hsl": {
    "h": 205.785,
    "s": 55.251,
    "l": 57.059
  },
  "oklch": {
    "l": 0.66254,
    "c": 0.10464,
    "h": 243
  },
  "luminance": 0.29499
}

Semantic roles & 50–950 ramp

primary

#559ACE

secondary

#D8BCA7

accent

#8949DF

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559ACE

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

Preview Lab → · Contrast checker → · Palette generator →