#558B99#558B99

#558B99 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.4% C 0.061 H 216.1°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#558B99
RGB	rgb(85, 139, 153)
HSL	hsl(192, 29%, 47%)
HSV	hsv(192, 44%, 60%)
CMYK	cmyk(44.4%, 9.2%, 0%, 40%)
CIE-LAB	lab(54.76, -14.04, -13.06)
CIE-LCH	lch(54.76, 19.17, 222.92°)
OKLab	oklab(60.45% -0.0493 -0.0359)
OKLCH	oklch(60.45% 0.061 216.1)
XYZ	xyz(18.7266, 22.6951, 33.5246)
Luminance	0.2270 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558B99 #996355

analogous

#559985 #558B99 #556999

triadic

#558B99 #99558B #8B9955

tetradic

#558B99 #855599 #996355 #699955

square

#558B99 #855599 #996355 #699955

split-complementary

#558B99 #995569 #998555

monochromatic

#29444A #3F6772 #558B99 #77A7B4 #9FC1CA

Accessibility & contrast

On white

3.79

#558B99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#558B99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558B99

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558B99	#FFFFFF	#000000	##000000
##558B99	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81889A

Deuteranopia (green-blind)

#778099

Tritanopia (blue-blind)

#36908F

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #558b99;
/* rgb */ color: rgb(85, 139, 153);
/* oklch */ color: oklch(60.4% 0.061 216.1);

Tailwind

colors: {
  custom: {
    50: '#89adb7',
    500: '#558b99',
    950: '#000000',
  },
}

SCSS

$custom: #558b99;
$custom-light: #89adb7;
$custom-dark: #000000;

JSON

{
  "hex": "#558b99",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 153
  },
  "hsl": {
    "h": 192.353,
    "s": 28.571,
    "l": 46.667
  },
  "oklch": {
    "l": 0.60449,
    "c": 0.06098,
    "h": 216.1
  },
  "luminance": 0.22696
}

Semantic roles & 50–950 ramp

primary

#558B99

secondary

#B79A93

accent

#7763C5

background

#F8FAFB

surface

#F0F4F6

border

#CBCED0

text

#0C1011

muted

#7D7F80

Preview Lab

Preview with #558B99

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

Preview Lab → · Contrast checker → · Palette generator →