#577A7B#577A7B

#577A7B is a mid, muted teal. Relative luminance 0.174; OKLCH L 55.3% C 0.040 H 198.3°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX#577A7B
RGBrgb(87, 122, 123)
HSLhsl(182, 17%, 41%)
HSVhsv(182, 29%, 48%)
CMYKcmyk(29.3%, 0.8%, 0%, 51.8%)
CIE-LABlab(48.73, -12.06, -4.55)
CIE-LCHlch(48.73, 12.89, 200.67°)
OKLaboklab(55.35% -0.0376 -0.0124)
OKLCHoklch(55.35% 0.04 198.3)
XYZxyz(14.4640, 17.3746, 21.3266)
Luminance0.1737 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577A7B #7B5857
analogous
#577B6A #577A7B #57687B
triadic
#577A7B #7B577A #7A7B57
tetradic
#577A7B #6A577B #7B5857 #687B57
square
#577A7B #6A577B #7B5857 #687B57
split-complementary
#577A7B #7B5768 #7B6A57
monochromatic
#243333 #3E5657 #577A7B #739B9C #97B5B5

Accessibility & contrast

On white

4.69
#577A7B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.47
#577A7B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577A7B
4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577A7B#FFFFFF#000000##FFFFFF
##577A7B1.004.694.474.69
#FFFFFF4.691.0021.001.00
#0000004.4721.001.0021.00
##FFFFFF4.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#75777B
Deuteranopia (green-blind)
#6E727B
Tritanopia (blue-blind)
#4A7C7A
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #577a7b;
/* rgb */ color: rgb(87, 122, 123);
/* oklch */ color: oklch(55.3% 0.040 198.3);
Tailwind
colors: {
  custom: {
    50: '#87a0a1',
    500: '#577a7b',
    950: '#000000',
  },
}
SCSS
$custom: #577a7b;
$custom-light: #87a0a1;
$custom-dark: #000000;
JSON
{
  "hex": "#577a7b",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 123
  },
  "hsl": {
    "h": 181.667,
    "s": 17.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.55345,
    "c": 0.03964,
    "h": 198.3
  },
  "luminance": 0.17375
}

Semantic roles & 50–950 ramp

primary
#577A7B
secondary
#A38B8A
accent
#706EBA
background
#F8F9F9
surface
#F0F2F2
border
#CBCCCC
text
#0B0E0E
muted
#7C7E7E

Preview Lab

Preview with #577A7B

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

Preview Lab → · Contrast checker → · Palette generator →

#577A7B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva