#558B8A#558B8A

#558B8A is a mid, muted teal. Relative luminance 0.222; OKLCH L 59.9% C 0.057 H 194.2°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#558B8A
RGB	rgb(85, 139, 138)
HSL	hsl(179, 24%, 44%)
HSV	hsv(179, 39%, 55%)
CMYK	cmyk(38.8%, 0%, 0.7%, 45.5%)
CIE-LAB	lab(54.27, -18.09, -5.12)
CIE-LCH	lch(54.27, 18.80, 195.80°)
OKLab	oklab(59.9% -0.0557 -0.0141)
OKLCH	oklch(59.9% 0.057 194.2)
XYZ	xyz(17.5647, 22.2303, 27.4051)
Luminance	0.2223 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558B8A #8B5556

analogous

#558B6F #558B8A #55718B

triadic

#558B8A #8A558B #8B8A55

tetradic

#558B8A #6F558B #8B5556 #718B55

square

#558B8A #6F558B #8B5556 #718B55

split-complementary

#558B8A #8B5571 #8B6F55

monochromatic

#273F3F #3E6564 #558B8A #74AAA9 #99C1C0

Accessibility & contrast

On white

3.86

#558B8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#558B8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558B8A

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558B8A	#FFFFFF	#000000	##000000
##558B8A	1.00	3.86	5.45	5.45
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85868A

Deuteranopia (green-blind)

#7B7F8B

Tritanopia (blue-blind)

#3E8E8B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #558b8a;
/* rgb */ color: rgb(85, 139, 138);
/* oklch */ color: oklch(59.9% 0.057 194.2);

Tailwind

colors: {
  custom: {
    50: '#88adac',
    500: '#558b8a',
    950: '#000000',
  },
}

SCSS

$custom: #558b8a;
$custom-light: #88adac;
$custom-dark: #000000;

JSON

{
  "hex": "#558b8a",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 138
  },
  "hsl": {
    "h": 178.889,
    "s": 24.107,
    "l": 43.922
  },
  "oklch": {
    "l": 0.59899,
    "c": 0.05745,
    "h": 194.2
  },
  "luminance": 0.22232
}

Semantic roles & 50–950 ramp

primary

#558B8A

secondary

#AE8E8E

accent

#6769C1

background

#F8FAFA

surface

#F0F4F4

border

#CBCECE

text

#0C1010

muted

#7D7F7F

Preview Lab

Preview with #558B8A

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

Preview Lab → · Contrast checker → · Palette generator →