#558399#558399

#558399 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.5% C 0.060 H 229.7°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#558399
RGB	rgb(85, 131, 153)
HSL	hsl(199, 29%, 47%)
HSV	hsv(199, 44%, 60%)
CMYK	cmyk(44.4%, 14.4%, 0%, 40%)
CIE-LAB	lab(52.36, -9.59, -16.69)
CIE-LCH	lch(52.36, 19.25, 240.11°)
OKLab	oklab(58.54% -0.0391 -0.0461)
OKLCH	oklch(58.54% 0.06 229.7)
XYZ	xyz(17.6104, 20.4626, 33.1525)
Luminance	0.2046 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558399 #996B55

analogous

#55998D #558399 #556199

triadic

#558399 #995583 #839955

tetradic

#558399 #8D5599 #996B55 #619955

square

#558399 #8D5599 #996B55 #619955

split-complementary

#558399 #995561 #998D55

monochromatic

#29404A #3F6172 #558399 #77A0B4 #9FBCCA

Accessibility & contrast

On white

4.12

#558399 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#558399 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558399

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558399	#FFFFFF	#000000	##000000
##558399	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78819A

Deuteranopia (green-blind)

#6E7A99

Tritanopia (blue-blind)

#38898A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #558399;
/* rgb */ color: rgb(85, 131, 153);
/* oklch */ color: oklch(58.5% 0.060 229.7);

Tailwind

colors: {
  custom: {
    50: '#88a7b7',
    500: '#558399',
    950: '#000000',
  },
}

SCSS

$custom: #558399;
$custom-light: #88a7b7;
$custom-dark: #000000;

JSON

{
  "hex": "#558399",
  "rgb": {
    "r": 85,
    "g": 131,
    "b": 153
  },
  "hsl": {
    "h": 199.412,
    "s": 28.571,
    "l": 46.667
  },
  "oklch": {
    "l": 0.58539,
    "c": 0.06045,
    "h": 229.7
  },
  "luminance": 0.20464
}

Semantic roles & 50–950 ramp

primary

#558399

secondary

#B79F93

accent

#8363C5

background

#F8FAFB

surface

#F0F4F6

border

#CBCED0

text

#0C0F11

muted

#7D7F80

Preview Lab

Preview with #558399

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

Preview Lab → · Contrast checker → · Palette generator →