#559FD0#559FD0

#559FD0 is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.5% C 0.104 H 239.8°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#559FD0
RGB	rgb(85, 159, 208)
HSL	hsl(204, 57%, 57%)
HSV	hsv(204, 59%, 82%)
CMYK	cmyk(59.1%, 23.6%, 0%, 18.4%)
CIE-LAB	lab(62.74, -8.61, -31.99)
CIE-LCH	lch(62.74, 33.13, 254.94°)
OKLab	oklab(67.49% -0.0522 -0.0896)
OKLCH	oklch(67.49% 0.104 239.8)
XYZ	xyz(27.5254, 31.2791, 64.2492)
Luminance	0.3128 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559FD0 #D08655

analogous

#55D0C3 #559FD0 #5562D0

triadic

#559FD0 #D0559F #9FD055

tetradic

#559FD0 #C355D0 #D08655 #62D055

square

#559FD0 #C355D0 #D08655 #62D055

split-complementary

#559FD0 #D05562 #D0C355

monochromatic

#255F86 #3281B6 #559FD0 #85BADD #B5D5EB

Accessibility & contrast

On white

2.89

#559FD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#559FD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559FD0

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559FD0	#FFFFFF	#000000	##000000
##559FD0	1.00	2.89	7.26	7.26
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.26	21.00	1.00	1.00
##000000	7.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899FD2

Deuteranopia (green-blind)

#7892CF

Tritanopia (blue-blind)

#00ABB0

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #559fd0;
/* rgb */ color: rgb(85, 159, 208);
/* oklch */ color: oklch(67.5% 0.104 239.8);

Tailwind

colors: {
  custom: {
    50: '#8fbbde',
    500: '#559fd0',
    950: '#000000',
  },
}

SCSS

$custom: #559fd0;
$custom-light: #8fbbde;
$custom-dark: #000000;

JSON

{
  "hex": "#559fd0",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 208
  },
  "hsl": {
    "h": 203.902,
    "s": 56.682,
    "l": 57.451
  },
  "oklch": {
    "l": 0.67488,
    "c": 0.10375,
    "h": 239.8
  },
  "luminance": 0.31282
}

Semantic roles & 50–950 ramp

primary

#559FD0

secondary

#D9BBA8

accent

#8448E0

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559FD0

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

Preview Lab → · Contrast checker → · Palette generator →