#577C88#577C88

#577C88 is a mid, muted cyan. Relative luminance 0.182; OKLCH L 56.3% C 0.045 H 220.0°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#577C88
RGBrgb(87, 124, 136)
HSLhsl(195, 22%, 44%)
HSVhsv(195, 36%, 53%)
CMYKcmyk(36%, 8.8%, 0%, 46.7%)
CIE-LABlab(49.76, -9.80, -10.67)
CIE-LCHlch(49.76, 14.49, 227.44°)
OKLaboklab(56.31% -0.0348 -0.0292)
OKLCHoklch(56.31% 0.045 220)
XYZxyz(15.5806, 18.2182, 25.9833)
Luminance0.1822 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577C88 #886357
analogous
#57887B #577C88 #576388
triadic
#577C88 #88577C #7C8857
tetradic
#577C88 #7B5788 #886357 #638857
square
#577C88 #7B5788 #886357 #638857
split-complementary
#577C88 #885763 #887B57
monochromatic
#27383D #3F5A63 #577C88 #759BA7 #9BB6BF

Accessibility & contrast

On white

4.52
#577C88 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.64
#577C88 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577C88
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577C88#FFFFFF#000000##000000
##577C881.004.524.644.64
#FFFFFF4.521.0021.0021.00
#0000004.6421.001.001.00
##0000004.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#747A89
Deuteranopia (green-blind)
#6D7488
Tritanopia (blue-blind)
#458080
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #577c88;
/* rgb */ color: rgb(87, 124, 136);
/* oklch */ color: oklch(56.3% 0.045 220.0);
Tailwind
colors: {
  custom: {
    50: '#88a2aa',
    500: '#577c88',
    950: '#000000',
  },
}
SCSS
$custom: #577c88;
$custom-light: #88a2aa;
$custom-dark: #000000;
JSON
{
  "hex": "#577c88",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 136
  },
  "hsl": {
    "h": 194.694,
    "s": 21.973,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56306,
    "c": 0.04548,
    "h": 220
  },
  "luminance": 0.18219
}

Semantic roles & 50–950 ramp

primary
#577C88
secondary
#AC968E
accent
#7E69BE
background
#F8F9FA
surface
#F0F2F4
border
#CBCCCE
text
#0B0F10
muted
#7C7E7F

Preview Lab

Preview with #577C88

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

Preview Lab → · Contrast checker → · Palette generator →

#577C88 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva