#559BDA#559BDA

#559BDA is a light, moderate cyan. Relative luminance 0.304; OKLCH L 67.1% C 0.118 H 247.7°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#559BDA
RGB	rgb(85, 155, 218)
HSL	hsl(208, 64%, 59%)
HSV	hsv(208, 61%, 85%)
CMYK	cmyk(61%, 28.9%, 0%, 14.5%)
CIE-LAB	lab(62.03, -3.16, -38.67)
CIE-LCH	lch(62.03, 38.80, 265.33°)
OKLab	oklab(67.06% -0.0448 -0.1089)
OKLCH	oklch(67.06% 0.118 247.7)
XYZ	xyz(28.1179, 30.4333, 70.7085)
Luminance	0.3044 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559BDA #DA9455

analogous

#55DAD6 #559BDA #5559DA

triadic

#559BDA #DA559B #9BDA55

tetradic

#559BDA #D655DA #DA9455 #59DA55

square

#559BDA #D655DA #DA9455 #59DA55

split-complementary

#559BDA #DA5559 #DAD655

monochromatic

#205D94 #2B7DC7 #559BDA #87B9E5 #BAD6F0

Accessibility & contrast

On white

2.96

#559BDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.09

#559BDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559BDA

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559BDA	#FFFFFF	#000000	##000000
##559BDA	1.00	2.96	7.09	7.09
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.09	21.00	1.00	1.00
##000000	7.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809DDD

Deuteranopia (green-blind)

#6E90D9

Tritanopia (blue-blind)

#00AAB1

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #559bda;
/* rgb */ color: rgb(85, 155, 218);
/* oklch */ color: oklch(67.1% 0.118 247.7);

Tailwind

colors: {
  custom: {
    50: '#90b8e5',
    500: '#559bda',
    950: '#000000',
  },
}

SCSS

$custom: #559bda;
$custom-light: #90b8e5;
$custom-dark: #000000;

JSON

{
  "hex": "#559bda",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 218
  },
  "hsl": {
    "h": 208.421,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.67064,
    "c": 0.11779,
    "h": 247.7
  },
  "luminance": 0.30436
}

Semantic roles & 50–950 ramp

primary

#559BDA

secondary

#DFC4AB

accent

#9041E7

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559BDA

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

Preview Lab → · Contrast checker → · Palette generator →