#577B78#577B78

#577B78 is a mid, muted teal. Relative luminance 0.175; OKLCH L 55.5% C 0.041 H 189.6°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX#577B78
RGBrgb(87, 123, 120)
HSLhsl(175, 17%, 41%)
HSVhsv(175, 29%, 48%)
CMYKcmyk(29.3%, 0%, 2.4%, 51.8%)
CIE-LABlab(48.94, -13.36, -2.46)
CIE-LCHlch(48.94, 13.58, 190.44°)
OKLaboklab(55.48% -0.0404 -0.0068)
OKLCHoklch(55.48% 0.041 189.6)
XYZxyz(14.4025, 17.5475, 20.3938)
Luminance0.1755 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577B78 #7B575A
analogous
#577B66 #577B78 #576C7B
triadic
#577B78 #78577B #7B7857
tetradic
#577B78 #66577B #7B575A #6C7B57
square
#577B78 #66577B #7B575A #6C7B57
split-complementary
#577B78 #7B576C #7B6657
monochromatic
#243332 #3E5755 #577B78 #739C99 #97B5B3

Accessibility & contrast

On white

4.66
#577B78 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.51
#577B78 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577B78
4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577B78#FFFFFF#000000##FFFFFF
##577B781.004.664.514.66
#FFFFFF4.661.0021.001.00
#0000004.5121.001.0021.00
##FFFFFF4.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#777778
Deuteranopia (green-blind)
#707278
Tritanopia (blue-blind)
#4B7D7A
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #577b78;
/* rgb */ color: rgb(87, 123, 120);
/* oklch */ color: oklch(55.5% 0.041 189.6);
Tailwind
colors: {
  custom: {
    50: '#87a19e',
    500: '#577b78',
    950: '#000000',
  },
}
SCSS
$custom: #577b78;
$custom-light: #87a19e;
$custom-dark: #000000;
JSON
{
  "hex": "#577b78",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 120
  },
  "hsl": {
    "h": 175,
    "s": 17.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.55485,
    "c": 0.04095,
    "h": 189.6
  },
  "luminance": 0.17548
}

Semantic roles & 50–950 ramp

primary
#577B78
secondary
#A38A8C
accent
#6E74BA
background
#F8F9F9
surface
#F0F2F2
border
#CBCCCC
text
#0B0F0E
muted
#7C7E7E

Preview Lab

Preview with #577B78

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

Preview Lab → · Contrast checker → · Palette generator →

#577B78 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva