#559DAD#559DAD

#559DAD is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.5% C 0.076 H 213.8°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#559DAD
RGB	rgb(85, 157, 173)
HSL	hsl(191, 35%, 51%)
HSV	hsv(191, 51%, 68%)
CMYK	cmyk(50.9%, 9.2%, 0%, 32.2%)
CIE-LAB	lab(60.83, -18.07, -15.28)
CIE-LCH	lch(60.83, 23.66, 220.23°)
OKLab	oklab(65.53% -0.063 -0.0422)
OKLCH	oklch(65.53% 0.076 213.8)
XYZ	xyz(23.3432, 29.0604, 43.9061)
Luminance	0.2906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559DAD #AD6555

analogous

#55AD91 #559DAD #5571AD

triadic

#559DAD #AD559D #9DAD55

tetradic

#559DAD #9155AD #AD6555 #71AD55

square

#559DAD #9155AD #AD6555 #71AD55

split-complementary

#559DAD #AD5571 #AD9155

monochromatic

#2C535B #407885 #559DAD #7EB5C1 #A8CDD5

Accessibility & contrast

On white

3.08

#559DAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#559DAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559DAD

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559DAD	#FFFFFF	#000000	##000000
##559DAD	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9199AE

Deuteranopia (green-blind)

#838EAD

Tritanopia (blue-blind)

#1FA3A2

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #559dad;
/* rgb */ color: rgb(85, 157, 173);
/* oklch */ color: oklch(65.5% 0.076 213.8);

Tailwind

colors: {
  custom: {
    50: '#8bbac5',
    500: '#559dad',
    950: '#000000',
  },
}

SCSS

$custom: #559dad;
$custom-light: #8bbac5;
$custom-dark: #000000;

JSON

{
  "hex": "#559dad",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 173
  },
  "hsl": {
    "h": 190.909,
    "s": 34.921,
    "l": 50.588
  },
  "oklch": {
    "l": 0.65532,
    "c": 0.07581,
    "h": 213.8
  },
  "luminance": 0.29062
}

Semantic roles & 50–950 ramp

primary

#559DAD

secondary

#C2A29B

accent

#715DCB

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1112

muted

#7D8081

Preview Lab

Preview with #559DAD

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

Preview Lab → · Contrast checker → · Palette generator →