#577B71#577B71

#577B71 is a mid, muted teal. Relative luminance 0.174; OKLCH L 55.3% C 0.044 H 175.5°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX#577B71
RGBrgb(87, 123, 113)
HSLhsl(163, 17%, 41%)
HSVhsv(163, 29%, 48%)
CMYKcmyk(29.3%, 0%, 8.1%, 51.8%)
CIE-LABlab(48.74, -15.04, 1.37)
CIE-LCHlch(48.74, 15.10, 174.78°)
OKLaboklab(55.26% -0.0436 0.0034)
OKLCHoklch(55.26% 0.044 175.5)
XYZxyz(13.9931, 17.3837, 18.2377)
Luminance0.1738 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577B71 #7B5761
analogous
#577B5F #577B71 #57737B
triadic
#577B71 #71577B #7B7157
tetradic
#577B71 #5F577B #7B5761 #737B57
square
#577B71 #5F577B #7B5761 #737B57
split-complementary
#577B71 #7B5773 #7B5F57
monochromatic
#24332F #3E5750 #577B71 #739C91 #97B5AD

Accessibility & contrast

On white

4.69
#577B71 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.48
#577B71 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B71
4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577B71#FFFFFF#000000##FFFFFF
##577B711.004.694.484.69
#FFFFFF4.691.0021.001.00
#0000004.4821.001.0021.00
##FFFFFF4.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#787771
Deuteranopia (green-blind)
#727272
Tritanopia (blue-blind)
#4D7C78
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #577b71;
/* rgb */ color: rgb(87, 123, 113);
/* oklch */ color: oklch(55.3% 0.044 175.5);
Tailwind
colors: {
  custom: {
    50: '#87a199',
    500: '#577b71',
    950: '#000000',
  },
}
SCSS
$custom: #577b71;
$custom-light: #87a199;
$custom-dark: #000000;
JSON
{
  "hex": "#577b71",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 113
  },
  "hsl": {
    "h": 163.333,
    "s": 17.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.55256,
    "c": 0.04371,
    "h": 175.5
  },
  "luminance": 0.17384
}

Semantic roles & 50–950 ramp

primary
#577B71
secondary
#A38A91
accent
#6E83BA
background
#F8F9F9
surface
#EFF2F2
border
#CACCCC
text
#0B0F0E
muted
#7C7E7E

Preview Lab

Preview with #577B71

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

Preview Lab → · Contrast checker → · Palette generator →

#577B71 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva