#577F7A#577F7A

#577F7A is a mid, muted teal. Relative luminance 0.186; OKLCH L 56.5% C 0.045 H 186.2°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#577F7A
RGBrgb(87, 127, 122)
HSLhsl(173, 19%, 42%)
HSVhsv(173, 31%, 50%)
CMYKcmyk(31.5%, 0%, 3.9%, 50.2%)
CIE-LABlab(50.23, -15.07, -1.75)
CIE-LCHlch(50.23, 15.17, 186.62°)
OKLaboklab(56.53% -0.045 -0.0049)
OKLCHoklch(56.53% 0.045 186.2)
XYZxyz(15.0315, 18.6093, 21.2085)
Luminance0.1861 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577F7A #7F575C
analogous
#577F66 #577F7A #57707F
triadic
#577F7A #7A577F #7F7A57
tetradic
#577F7A #66577F #7F575C #707F57
square
#577F7A #66577F #7F575C #707F57
split-complementary
#577F7A #7F5770 #7F6657
monochromatic
#253634 #3E5B57 #577F7A #74A09A #98B8B4

Accessibility & contrast

On white

4.45
#577F7A on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.72
#577F7A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F7A
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577F7A#FFFFFF#000000##000000
##577F7A1.004.454.724.72
#FFFFFF4.451.0021.0021.00
#0000004.7221.001.001.00
##0000004.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B7B7A
Deuteranopia (green-blind)
#74757B
Tritanopia (blue-blind)
#4A817D
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #577f7a;
/* rgb */ color: rgb(87, 127, 122);
/* oklch */ color: oklch(56.5% 0.045 186.2);
Tailwind
colors: {
  custom: {
    50: '#88a4a0',
    500: '#577f7a',
    950: '#000000',
  },
}
SCSS
$custom: #577f7a;
$custom-light: #88a4a0;
$custom-dark: #000000;
JSON
{
  "hex": "#577f7a",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 122
  },
  "hsl": {
    "h": 172.5,
    "s": 18.692,
    "l": 41.961
  },
  "oklch": {
    "l": 0.56531,
    "c": 0.04531,
    "h": 186.2
  },
  "luminance": 0.1861
}

Semantic roles & 50–950 ramp

primary
#577F7A
secondary
#A68C8F
accent
#6C76BB
background
#F8FAF9
surface
#F0F4F2
border
#CBCECC
text
#0B0F0E
muted
#7C7F7E

Preview Lab

Preview with #577F7A

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

Preview Lab → · Contrast checker → · Palette generator →

#577F7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva