#577B6B#577B6B

#577B6B is a mid, muted teal. Relative luminance 0.173; OKLCH L 55.1% C 0.048 H 165.4°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#577B6B
RGBrgb(87, 123, 107)
HSLhsl(153, 17%, 41%)
HSVhsv(153, 29%, 48%)
CMYKcmyk(29.3%, 0%, 13%, 51.8%)
CIE-LABlab(48.58, -16.41, 4.68)
CIE-LCHlch(48.58, 17.06, 164.09°)
OKLaboklab(55.07% -0.0464 0.0121)
OKLCHoklch(55.07% 0.048 165.4)
XYZxyz(13.6664, 17.2531, 16.5172)
Luminance0.1725 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577B6B #7B5767
analogous
#577B59 #577B6B #57797B
triadic
#577B6B #6B577B #7B6B57
tetradic
#577B6B #59577B #7B5767 #797B57
square
#577B6B #59577B #7B5767 #797B57
split-complementary
#577B6B #7B5779 #7B5957
monochromatic
#24332D #3E574C #577B6B #739C8A #97B5A8

Accessibility & contrast

On white

4.72
#577B6B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.45
#577B6B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B6B
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577B6B#FFFFFF#000000##FFFFFF
##577B6B1.004.724.454.72
#FFFFFF4.721.0021.001.00
#0000004.4521.001.0021.00
##FFFFFF4.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#79766A
Deuteranopia (green-blind)
#73726C
Tritanopia (blue-blind)
#4F7B76
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #577b6b;
/* rgb */ color: rgb(87, 123, 107);
/* oklch */ color: oklch(55.1% 0.048 165.4);
Tailwind
colors: {
  custom: {
    50: '#87a195',
    500: '#577b6b',
    950: '#000000',
  },
}
SCSS
$custom: #577b6b;
$custom-light: #87a195;
$custom-dark: #000000;
JSON
{
  "hex": "#577b6b",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 107
  },
  "hsl": {
    "h": 153.333,
    "s": 17.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.55072,
    "c": 0.04792,
    "h": 165.4
  },
  "luminance": 0.17254
}

Semantic roles & 50–950 ramp

primary
#577B6B
secondary
#A38A96
accent
#6E90BA
background
#F8F9F9
surface
#EFF2F1
border
#CACCCB
text
#0B0F0D
muted
#7C7E7E

Preview Lab

Preview with #577B6B

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

Preview Lab → · Contrast checker → · Palette generator →

#577B6B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva