#559CD9#559CD9

#559CD9 is a light, moderate cyan. Relative luminance 0.307; OKLCH L 67.2% C 0.116 H 246.5°. Best body text is #000000 at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#559CD9
RGB	rgb(85, 156, 217)
HSL	hsl(208, 63%, 59%)
HSV	hsv(208, 61%, 85%)
CMYK	cmyk(60.8%, 28.1%, 0%, 14.9%)
CIE-LAB	lab(62.27, -4.05, -37.73)
CIE-LCH	lch(62.27, 37.95, 263.87°)
OKLab	oklab(67.24% -0.0461 -0.1062)
OKLCH	oklch(67.24% 0.116 246.5)
XYZ	xyz(28.1545, 30.7153, 70.0771)
Luminance	0.3072 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559CD9 #D99255

analogous

#55D9D4 #559CD9 #555AD9

triadic

#559CD9 #D9559C #9CD955

tetradic

#559CD9 #D455D9 #D99255 #5AD955

square

#559CD9 #D455D9 #D99255 #5AD955

split-complementary

#559CD9 #D9555A #D9D455

monochromatic

#215E93 #2C7EC5 #559CD9 #87B9E4 #B9D6EF

Accessibility & contrast

On white

2.94

#559CD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.14

#559CD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559CD9

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559CD9	#FFFFFF	#000000	##000000
##559CD9	1.00	2.94	7.14	7.14
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.14	21.00	1.00	1.00
##000000	7.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829EDC

Deuteranopia (green-blind)

#7091D8

Tritanopia (blue-blind)

#00ABB1

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559cd9;
/* rgb */ color: rgb(85, 156, 217);
/* oklch */ color: oklch(67.2% 0.116 246.5);

Tailwind

colors: {
  custom: {
    50: '#90b9e5',
    500: '#559cd9',
    950: '#000000',
  },
}

SCSS

$custom: #559cd9;
$custom-light: #90b9e5;
$custom-dark: #000000;

JSON

{
  "hex": "#559cd9",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 217
  },
  "hsl": {
    "h": 207.727,
    "s": 63.462,
    "l": 59.216
  },
  "oklch": {
    "l": 0.67239,
    "c": 0.11582,
    "h": 246.5
  },
  "luminance": 0.30718
}

Semantic roles & 50–950 ramp

primary

#559CD9

secondary

#DFC3AB

accent

#8E41E6

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1115

muted

#7E8084

Preview Lab

Preview with #559CD9

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

Preview Lab → · Contrast checker → · Palette generator →