#577D7B#577D7B

#577D7B is a mid, muted teal. Relative luminance 0.181; OKLCH L 56.1% C 0.043 H 191.9°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#577D7B
RGBrgb(87, 125, 123)
HSLhsl(177, 18%, 42%)
HSVhsv(177, 30%, 49%)
CMYKcmyk(30.4%, 0%, 1.6%, 51%)
CIE-LABlab(49.64, -13.73, -3.19)
CIE-LCHlch(49.64, 14.09, 193.10°)
OKLaboklab(56.08% -0.0418 -0.0088)
OKLCHoklch(56.08% 0.043 191.9)
XYZxyz(14.8381, 18.1227, 21.4512)
Luminance0.1812 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577D7B #7D5759
analogous
#577D68 #577D7B #576C7D
triadic
#577D7B #7B577D #7D7B57
tetradic
#577D7B #68577D #7D5759 #6C7D57
square
#577D7B #68577D #7D5759 #6C7D57
split-complementary
#577D7B #7D576C #7D6857
monochromatic
#253534 #3E5957 #577D7B #739E9C #97B7B5

Accessibility & contrast

On white

4.54
#577D7B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.62
#577D7B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577D7B
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577D7B#FFFFFF#000000##000000
##577D7B1.004.544.624.62
#FFFFFF4.541.0021.0021.00
#0000004.6221.001.001.00
##0000004.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#79797B
Deuteranopia (green-blind)
#71747B
Tritanopia (blue-blind)
#4A7F7C
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #577d7b;
/* rgb */ color: rgb(87, 125, 123);
/* oklch */ color: oklch(56.1% 0.043 191.9);
Tailwind
colors: {
  custom: {
    50: '#88a2a1',
    500: '#577d7b',
    950: '#000000',
  },
}
SCSS
$custom: #577d7b;
$custom-light: #88a2a1;
$custom-dark: #000000;
JSON
{
  "hex": "#577d7b",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 123
  },
  "hsl": {
    "h": 176.842,
    "s": 17.925,
    "l": 41.569
  },
  "oklch": {
    "l": 0.56076,
    "c": 0.04274,
    "h": 191.9
  },
  "luminance": 0.18124
}

Semantic roles & 50–950 ramp

primary
#577D7B
secondary
#A58B8C
accent
#6D71BB
background
#F8FAF9
surface
#F0F3F2
border
#CBCDCC
text
#0B0F0E
muted
#7C7F7E

Preview Lab

Preview with #577D7B

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

Preview Lab → · Contrast checker → · Palette generator →

#577D7B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva