#559DB9#559DB9

#559DB9 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.0% C 0.083 H 225.6°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#559DB9
RGB	rgb(85, 157, 185)
HSL	hsl(197, 42%, 53%)
HSV	hsv(197, 54%, 73%)
CMYK	cmyk(54.1%, 15.1%, 0%, 27.5%)
CIE-LAB	lab(61.26, -14.56, -21.40)
CIE-LCH	lch(61.26, 25.88, 235.76°)
OKLab	oklab(66.01% -0.0582 -0.0594)
OKLCH	oklch(66.01% 0.083 225.6)
XYZ	xyz(24.5569, 29.5459, 50.2984)
Luminance	0.2955 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DB9 #B97155

analogous

#55B9A3 #559DB9 #556BB9

triadic

#559DB9 #B9559D #9DB955

tetradic

#559DB9 #A355B9 #B97155 #6BB955

square

#559DB9 #A355B9 #B97155 #6BB955

split-complementary

#559DB9 #B9556B #B9A355

monochromatic

#2B5769 #3D7C94 #559DB9 #80B6CB #ACCFDD

Accessibility & contrast

On white

3.04

#559DB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#559DB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559DB9

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DB9	#FFFFFF	#000000	##000000
##559DB9	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9ABA

Deuteranopia (green-blind)

#7F8FB9

Tritanopia (blue-blind)

#05A5A6

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #559db9;
/* rgb */ color: rgb(85, 157, 185);
/* oklch */ color: oklch(66.0% 0.083 225.6);

Tailwind

colors: {
  custom: {
    50: '#8cbace',
    500: '#559db9',
    950: '#000000',
  },
}

SCSS

$custom: #559db9;
$custom-light: #8cbace;
$custom-dark: #000000;

JSON

{
  "hex": "#559db9",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 185
  },
  "hsl": {
    "h": 196.8,
    "s": 41.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.66013,
    "c": 0.0832,
    "h": 225.6
  },
  "luminance": 0.29548
}

Semantic roles & 50–950 ramp

primary

#559DB9

secondary

#CBAB9F

accent

#7956D1

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #559DB9

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

Preview Lab → · Contrast checker → · Palette generator →