#559FD1#559FD1

#559FD1 is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.5% C 0.105 H 240.3°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#559FD1
RGB	rgb(85, 159, 209)
HSL	hsl(204, 57%, 58%)
HSV	hsv(204, 59%, 82%)
CMYK	cmyk(59.3%, 23.9%, 0%, 18%)
CIE-LAB	lab(62.78, -8.29, -32.48)
CIE-LCH	lch(62.78, 33.52, 255.68°)
OKLab	oklab(67.53% -0.0519 -0.0911)
OKLCH	oklch(67.53% 0.105 240.3)
XYZ	xyz(27.6488, 31.3284, 64.8992)
Luminance	0.3133 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FD1 #D18755

analogous

#55D1C5 #559FD1 #5561D1

triadic

#559FD1 #D1559F #9FD155

tetradic

#559FD1 #C555D1 #D18755 #61D155

square

#559FD1 #C555D1 #D18755 #61D155

split-complementary

#559FD1 #D15561 #D1C555

monochromatic

#255F87 #3281B7 #559FD1 #85BADE #B5D5EB

Accessibility & contrast

On white

2.89

#559FD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.27

#559FD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FD1

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FD1	#FFFFFF	#000000	##000000
##559FD1	1.00	2.89	7.27	7.27
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.27	21.00	1.00	1.00
##000000	7.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889FD3

Deuteranopia (green-blind)

#7892D0

Tritanopia (blue-blind)

#00ABB0

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #559fd1;
/* rgb */ color: rgb(85, 159, 209);
/* oklch */ color: oklch(67.5% 0.105 240.3);

Tailwind

colors: {
  custom: {
    50: '#8fbbdf',
    500: '#559fd1',
    950: '#000000',
  },
}

SCSS

$custom: #559fd1;
$custom-light: #8fbbdf;
$custom-dark: #000000;

JSON

{
  "hex": "#559fd1",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 209
  },
  "hsl": {
    "h": 204.194,
    "s": 57.407,
    "l": 57.647
  },
  "oklch": {
    "l": 0.67534,
    "c": 0.1048,
    "h": 240.3
  },
  "luminance": 0.31331
}

Semantic roles & 50–950 ramp

primary

#559FD1

secondary

#DABCA8

accent

#8547E1

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559FD1

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

Preview Lab → · Contrast checker → · Palette generator →