#559FCF#559FCF

#559FCF is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.4% C 0.103 H 239.2°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#559FCF
RGB	rgb(85, 159, 207)
HSL	hsl(204, 56%, 57%)
HSV	hsv(204, 59%, 81%)
CMYK	cmyk(58.9%, 23.2%, 0%, 18.8%)
CIE-LAB	lab(62.70, -8.92, -31.50)
CIE-LCH	lch(62.70, 32.73, 254.19°)
OKLab	oklab(67.44% -0.0526 -0.0882)
OKLCH	oklch(67.44% 0.103 239.2)
XYZ	xyz(27.4027, 31.2300, 63.6033)
Luminance	0.3123 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FCF #CF8555

analogous

#55CFC2 #559FCF #5562CF

triadic

#559FCF #CF559F #9FCF55

tetradic

#559FCF #C255CF #CF8555 #62CF55

square

#559FCF #C255CF #CF8555 #62CF55

split-complementary

#559FCF #CF5562 #CFC255

monochromatic

#255F84 #3381B4 #559FCF #85BADC #B4D5EA

Accessibility & contrast

On white

2.90

#559FCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#559FCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FCF

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FCF	#FFFFFF	#000000	##000000
##559FCF	1.00	2.90	7.25	7.25
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899FD1

Deuteranopia (green-blind)

#7992CE

Tritanopia (blue-blind)

#00ABAF

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #559fcf;
/* rgb */ color: rgb(85, 159, 207);
/* oklch */ color: oklch(67.4% 0.103 239.2);

Tailwind

colors: {
  custom: {
    50: '#8fbbde',
    500: '#559fcf',
    950: '#000000',
  },
}

SCSS

$custom: #559fcf;
$custom-light: #8fbbde;
$custom-dark: #000000;

JSON

{
  "hex": "#559fcf",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 207
  },
  "hsl": {
    "h": 203.607,
    "s": 55.963,
    "l": 57.255
  },
  "oklch": {
    "l": 0.67442,
    "c": 0.1027,
    "h": 239.2
  },
  "luminance": 0.31233
}

Semantic roles & 50–950 ramp

primary

#559FCF

secondary

#D9BBA7

accent

#8449DF

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559FCF

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

Preview Lab → · Contrast checker → · Palette generator →