#559DB2#559DB2

#559DB2 is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.7% C 0.078 H 219.0°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#559DB2
RGB	rgb(85, 157, 178)
HSL	hsl(194, 38%, 52%)
HSV	hsv(194, 52%, 70%)
CMYK	cmyk(52.2%, 11.8%, 0%, 30.2%)
CIE-LAB	lab(61.01, -16.62, -17.84)
CIE-LCH	lch(61.01, 24.39, 227.02°)
OKLab	oklab(65.73% -0.061 -0.0494)
OKLCH	oklch(65.73% 0.078 219)
XYZ	xyz(23.8361, 29.2575, 46.5020)
Luminance	0.2926 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DB2 #B26A55

analogous

#55B299 #559DB2 #556FB2

triadic

#559DB2 #B2559D #9DB255

tetradic

#559DB2 #9955B2 #B26A55 #6FB255

square

#559DB2 #9955B2 #B26A55 #6FB255

split-complementary

#559DB2 #B2556F #B29955

monochromatic

#2C5561 #3F7A8B #559DB2 #7FB5C5 #A9CED8

Accessibility & contrast

On white

3.06

#559DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#559DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559DB2

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DB2	#FFFFFF	#000000	##000000
##559DB2	1.00	3.06	6.85	6.85
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.85	21.00	1.00	1.00
##000000	6.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9099B3

Deuteranopia (green-blind)

#828FB2

Tritanopia (blue-blind)

#17A4A4

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #559db2;
/* rgb */ color: rgb(85, 157, 178);
/* oklch */ color: oklch(65.7% 0.078 219.0);

Tailwind

colors: {
  custom: {
    50: '#8cbac9',
    500: '#559db2',
    950: '#000000',
  },
}

SCSS

$custom: #559db2;
$custom-light: #8cbac9;
$custom-dark: #000000;

JSON

{
  "hex": "#559db2",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 178
  },
  "hsl": {
    "h": 193.548,
    "s": 37.652,
    "l": 51.569
  },
  "oklch": {
    "l": 0.65728,
    "c": 0.07845,
    "h": 219
  },
  "luminance": 0.2926
}

Semantic roles & 50–950 ramp

primary

#559DB2

secondary

#C6A69D

accent

#745ACE

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0D1113

muted

#7D8082

Preview Lab

Preview with #559DB2

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

Preview Lab → · Contrast checker → · Palette generator →