#559BD0#559BD0

#559BD0 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.6% C 0.106 H 243.2°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#559BD0
RGB	rgb(85, 155, 208)
HSL	hsl(206, 57%, 57%)
HSV	hsv(206, 59%, 82%)
CMYK	cmyk(59.1%, 25.5%, 0%, 18.4%)
CIE-LAB	lab(61.59, -6.37, -33.78)
CIE-LCH	lch(61.59, 34.37, 259.32°)
OKLab	oklab(66.58% -0.0479 -0.0948)
OKLCH	oklch(66.58% 0.106 243.2)
XYZ	xyz(26.8486, 29.9256, 64.0236)
Luminance	0.2993 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BD0 #D08A55

analogous

#55D0C8 #559BD0 #555DD0

triadic

#559BD0 #D0559B #9BD055

tetradic

#559BD0 #C855D0 #D08A55 #5DD055

square

#559BD0 #C855D0 #D08A55 #5DD055

split-complementary

#559BD0 #D0555D #D0C855

monochromatic

#255C86 #327DB6 #559BD0 #85B7DD #B5D3EB

Accessibility & contrast

On white

3.01

#559BD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.99

#559BD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559BD0

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BD0	#FFFFFF	#000000	##000000
##559BD0	1.00	3.01	6.99	6.99
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.99	21.00	1.00	1.00
##000000	6.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849CD2

Deuteranopia (green-blind)

#738FCF

Tritanopia (blue-blind)

#00A8AD

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #559bd0;
/* rgb */ color: rgb(85, 155, 208);
/* oklch */ color: oklch(66.6% 0.106 243.2);

Tailwind

colors: {
  custom: {
    50: '#8fb8de',
    500: '#559bd0',
    950: '#000000',
  },
}

SCSS

$custom: #559bd0;
$custom-light: #8fb8de;
$custom-dark: #000000;

JSON

{
  "hex": "#559bd0",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 208
  },
  "hsl": {
    "h": 205.854,
    "s": 56.682,
    "l": 57.451
  },
  "oklch": {
    "l": 0.66576,
    "c": 0.10621,
    "h": 243.2
  },
  "luminance": 0.29928
}

Semantic roles & 50–950 ramp

primary

#559BD0

secondary

#D9BDA8

accent

#8948E0

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559BD0

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

Preview Lab → · Contrast checker → · Palette generator →