#559DDE#559DDE

#559DDE is a light, vivid cyan. Relative luminance 0.313; OKLCH L 67.7% C 0.121 H 247.8°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#559DDE
RGB	rgb(85, 157, 222)
HSL	hsl(208, 67%, 60%)
HSV	hsv(208, 62%, 87%)
CMYK	cmyk(61.7%, 29.3%, 0%, 12.9%)
CIE-LAB	lab(62.77, -3.00, -39.72)
CIE-LCH	lch(62.77, 39.83, 265.68°)
OKLab	oklab(67.71% -0.0457 -0.112)
OKLCH	oklch(67.71% 0.121 247.8)
XYZ	xyz(28.9832, 31.3164, 73.6103)
Luminance	0.3132 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DDE #DE9655

analogous

#55DEDA #559DDE #5558DE

triadic

#559DDE #DE559D #9DDE55

tetradic

#559DDE #DA55DE #DE9655 #58DE55

square

#559DDE #DA55DE #DE9655 #58DE55

split-complementary

#559DDE #DE5558 #DEDA55

monochromatic

#1E5F9B #287FCE #559DDE #88BBE8 #BCD8F2

Accessibility & contrast

On white

2.89

#559DDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#559DDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DDE

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DDE	#FFFFFF	#000000	##000000
##559DDE	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)

#819FE1

Deuteranopia (green-blind)

#6E92DD

Tritanopia (blue-blind)

#00ACB4

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #559dde;
/* rgb */ color: rgb(85, 157, 222);
/* oklch */ color: oklch(67.7% 0.121 247.8);

Tailwind

colors: {
  custom: {
    50: '#90b9e8',
    500: '#559dde',
    950: '#000000',
  },
}

SCSS

$custom: #559dde;
$custom-light: #90b9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#559dde",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 222
  },
  "hsl": {
    "h": 208.467,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.67711,
    "c": 0.12093,
    "h": 247.8
  },
  "luminance": 0.31319
}

Semantic roles & 50–950 ramp

primary

#559DDE

secondary

#E2C6AD

accent

#6E16CF

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559DDE

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

Preview Lab → · Contrast checker → · Palette generator →