#559CD0#559CD0

#559CD0 is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.8% C 0.106 H 242.4°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#559CD0
RGB	rgb(85, 156, 208)
HSL	hsl(205, 57%, 57%)
HSV	hsv(205, 59%, 82%)
CMYK	cmyk(59.1%, 25%, 0%, 18.4%)
CIE-LAB	lab(61.88, -6.93, -33.33)
CIE-LCH	lch(61.88, 34.04, 258.25°)
OKLab	oklab(66.8% -0.049 -0.0935)
OKLCH	oklch(66.8% 0.106 242.4)
XYZ	xyz(27.0157, 30.2598, 64.0793)
Luminance	0.3026 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CD0 #D08955

analogous

#55D0C7 #559CD0 #555ED0

triadic

#559CD0 #D0559C #9CD055

tetradic

#559CD0 #C755D0 #D08955 #5ED055

square

#559CD0 #C755D0 #D08955 #5ED055

split-complementary

#559CD0 #D0555E #D0C755

monochromatic

#255D86 #327EB6 #559CD0 #85B8DD #B5D4EB

Accessibility & contrast

On white

2.98

#559CD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#559CD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559CD0

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CD0	#FFFFFF	#000000	##000000
##559CD0	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859CD2

Deuteranopia (green-blind)

#7490CF

Tritanopia (blue-blind)

#00A9AE

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #559cd0;
/* rgb */ color: rgb(85, 156, 208);
/* oklch */ color: oklch(66.8% 0.106 242.4);

Tailwind

colors: {
  custom: {
    50: '#8fb9de',
    500: '#559cd0',
    950: '#000000',
  },
}

SCSS

$custom: #559cd0;
$custom-light: #8fb9de;
$custom-dark: #000000;

JSON

{
  "hex": "#559cd0",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 208
  },
  "hsl": {
    "h": 205.366,
    "s": 56.682,
    "l": 57.451
  },
  "oklch": {
    "l": 0.66804,
    "c": 0.10557,
    "h": 242.4
  },
  "luminance": 0.30262
}

Semantic roles & 50–950 ramp

primary

#559CD0

secondary

#D9BDA8

accent

#8848E0

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #559CD0

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

Preview Lab → · Contrast checker → · Palette generator →