#577F8E#577F8E

#577F8E is a mid, muted cyan. Relative luminance 0.192; OKLCH L 57.3% C 0.050 H 223.4°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX#577F8E
RGBrgb(87, 127, 142)
HSLhsl(196, 24%, 45%)
HSVhsv(196, 39%, 56%)
CMYKcmyk(38.7%, 10.6%, 0%, 44.3%)
CIE-LABlab(50.87, -9.87, -12.52)
CIE-LCHlch(50.87, 15.94, 231.75°)
OKLaboklab(57.26% -0.0364 -0.0344)
OKLCHoklch(57.26% 0.05 223.4)
XYZxyz(16.4007, 19.1570, 28.4194)
Luminance0.1916 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577F8E #8E6657
analogous
#578E82 #577F8E #57648E
triadic
#577F8E #8E577F #7F8E57
tetradic
#577F8E #82578E #8E6657 #648E57
square
#577F8E #82578E #8E6657 #648E57
split-complementary
#577F8E #8E5764 #8E8257
monochromatic
#283B42 #405D68 #577F8E #779DAB #9DB8C3

Accessibility & contrast

On white

4.35
#577F8E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.83
#577F8E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F8E
4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577F8E#FFFFFF#000000##000000
##577F8E1.004.354.834.83
#FFFFFF4.351.0021.0021.00
#0000004.8321.001.001.00
##0000004.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#767D8F
Deuteranopia (green-blind)
#6E768E
Tritanopia (blue-blind)
#428484
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #577f8e;
/* rgb */ color: rgb(87, 127, 142);
/* oklch */ color: oklch(57.3% 0.050 223.4);
Tailwind
colors: {
  custom: {
    50: '#89a4af',
    500: '#577f8e',
    950: '#000000',
  },
}
SCSS
$custom: #577f8e;
$custom-light: #89a4af;
$custom-dark: #000000;
JSON
{
  "hex": "#577f8e",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 142
  },
  "hsl": {
    "h": 196.364,
    "s": 24.017,
    "l": 44.902
  },
  "oklch": {
    "l": 0.57257,
    "c": 0.05008,
    "h": 223.4
  },
  "luminance": 0.19158
}

Semantic roles & 50–950 ramp

primary
#577F8E
secondary
#B09990
accent
#8067C0
background
#F8FAFA
surface
#F0F4F4
border
#CBCECE
text
#0C0F10
muted
#7D7F7F

Preview Lab

Preview with #577F8E

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

Preview Lab → · Contrast checker → · Palette generator →

#577F8E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva