#578C8A#578C8A

#578C8A is a mid, muted teal. Relative luminance 0.226; OKLCH L 60.3% C 0.057 H 192.7°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#578C8A
RGB	rgb(87, 140, 138)
HSL	hsl(178, 23%, 45%)
HSV	hsv(178, 38%, 55%)
CMYK	cmyk(37.9%, 0%, 1.4%, 45.1%)
CIE-LAB	lab(54.67, -18.06, -4.51)
CIE-LCH	lch(54.67, 18.62, 194.02°)
OKLab	oklab(60.25% -0.0552 -0.0124)
OKLCH	oklch(60.25% 0.057 192.7)
XYZ	xyz(17.8943, 22.6162, 27.4623)
Luminance	0.2262 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578C8A #8C5759

analogous

#578C70 #578C8A #57748C

triadic

#578C8A #8A578C #8C8A57

tetradic

#578C8A #70578C #8C5759 #748C57

square

#578C8A #70578C #8C5759 #748C57

split-complementary

#578C8A #8C5774 #8C7057

monochromatic

#284140 #406665 #578C8A #76AAA8 #9CC1C0

Accessibility & contrast

On white

3.80

#578C8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#578C8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578C8A

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578C8A	#FFFFFF	#000000	##000000
##578C8A	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86878A

Deuteranopia (green-blind)

#7C808B

Tritanopia (blue-blind)

#428F8B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #578c8a;
/* rgb */ color: rgb(87, 140, 138);
/* oklch */ color: oklch(60.3% 0.057 192.7);

Tailwind

colors: {
  custom: {
    50: '#89adac',
    500: '#578c8a',
    950: '#000000',
  },
}

SCSS

$custom: #578c8a;
$custom-light: #89adac;
$custom-dark: #000000;

JSON

{
  "hex": "#578c8a",
  "rgb": {
    "r": 87,
    "g": 140,
    "b": 138
  },
  "hsl": {
    "h": 177.736,
    "s": 23.348,
    "l": 44.51
  },
  "oklch": {
    "l": 0.6025,
    "c": 0.05663,
    "h": 192.7
  },
  "luminance": 0.22617
}

Semantic roles & 50–950 ramp

primary

#578C8A

secondary

#AF9091

accent

#686BC0

background

#F8FAFA

surface

#F0F4F4

border

#CBCECE

text

#0C1010

muted

#7D7F7F

Preview Lab

Preview with #578C8A

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

Preview Lab → · Contrast checker → · Palette generator →