#558D99#558D99

#558D99 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 60.9% C 0.062 H 212.8°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#558D99
RGB	rgb(85, 141, 153)
HSL	hsl(191, 29%, 47%)
HSV	hsv(191, 44%, 60%)
CMYK	cmyk(44.4%, 7.8%, 0%, 40%)
CIE-LAB	lab(55.36, -15.13, -12.15)
CIE-LCH	lch(55.36, 19.41, 218.76°)
OKLab	oklab(60.93% -0.0518 -0.0334)
OKLCH	oklch(60.93% 0.062 212.8)
XYZ	xyz(19.0188, 23.2795, 33.6220)
Luminance	0.2328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558D99 #996155

analogous

#559983 #558D99 #556B99

triadic

#558D99 #99558D #8D9955

tetradic

#558D99 #835599 #996155 #6B9955

square

#558D99 #835599 #996155 #6B9955

split-complementary

#558D99 #99556B #998355

monochromatic

#29444A #3F6972 #558D99 #77A9B4 #9FC2CA

Accessibility & contrast

On white

3.71

#558D99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#558D99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558D99

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558D99	#FFFFFF	#000000	##000000
##558D99	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84899A

Deuteranopia (green-blind)

#798199

Tritanopia (blue-blind)

#369291

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #558d99;
/* rgb */ color: rgb(85, 141, 153);
/* oklch */ color: oklch(60.9% 0.062 212.8);

Tailwind

colors: {
  custom: {
    50: '#89aeb7',
    500: '#558d99',
    950: '#000000',
  },
}

SCSS

$custom: #558d99;
$custom-light: #89aeb7;
$custom-dark: #000000;

JSON

{
  "hex": "#558d99",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 153
  },
  "hsl": {
    "h": 190.588,
    "s": 28.571,
    "l": 46.667
  },
  "oklch": {
    "l": 0.6093,
    "c": 0.06163,
    "h": 212.8
  },
  "luminance": 0.23281
}

Semantic roles & 50–950 ramp

primary

#558D99

secondary

#B79993

accent

#7463C5

background

#F8FAFB

surface

#F0F4F6

border

#CBCED0

text

#0C1011

muted

#7D7F80

Preview Lab

Preview with #558D99

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

Preview Lab → · Contrast checker → · Palette generator →