#559DDA#559DDA

#559DDA is a light, moderate cyan. Relative luminance 0.311; OKLCH L 67.5% C 0.116 H 246.2°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#559DDA
RGB	rgb(85, 157, 218)
HSL	hsl(208, 64%, 59%)
HSV	hsv(208, 61%, 85%)
CMYK	cmyk(61%, 28%, 0%, 14.5%)
CIE-LAB	lab(62.60, -4.30, -37.78)
CIE-LCH	lch(62.60, 38.02, 263.51°)
OKLab	oklab(67.51% -0.0469 -0.1063)
OKLCH	oklch(67.51% 0.116 246.2)
XYZ	xyz(28.4535, 31.1045, 70.8204)
Luminance	0.3111 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DDA #DA9255

analogous

#55DAD5 #559DDA #555BDA

triadic

#559DDA #DA559D #9DDA55

tetradic

#559DDA #D555DA #DA9255 #5BDA55

square

#559DDA #D555DA #DA9255 #5BDA55

split-complementary

#559DDA #DA555B #DAD555

monochromatic

#205F94 #2B7FC7 #559DDA #87BAE5 #BAD7F0

Accessibility & contrast

On white

2.91

#559DDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#559DDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #559DDA

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DDA	#FFFFFF	#000000	##000000
##559DDA	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#839FDD

Deuteranopia (green-blind)

#7192D9

Tritanopia (blue-blind)

#00ACB2

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #559dda;
/* rgb */ color: rgb(85, 157, 218);
/* oklch */ color: oklch(67.5% 0.116 246.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#559dda",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 218
  },
  "hsl": {
    "h": 207.519,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.67513,
    "c": 0.11623,
    "h": 246.2
  },
  "luminance": 0.31107
}

Semantic roles & 50–950 ramp

primary

#559DDA

secondary

#DFC3AB

accent

#8D41E7

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #559DDA

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

Preview Lab → · Contrast checker → · Palette generator →