#577691#577691

#577691 is a mid, muted cyan. Relative luminance 0.170; OKLCH L 55.3% C 0.055 H 245.3°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX#577691
RGBrgb(87, 118, 145)
HSLhsl(208, 25%, 45%)
HSVhsv(208, 40%, 57%)
CMYKcmyk(40%, 18.6%, 0%, 43.1%)
CIE-LABlab(48.29, -3.85, -18.20)
CIE-LCHlch(48.29, 18.60, 258.06°)
OKLaboklab(55.25% -0.0231 -0.0503)
OKLCHoklch(55.25% 0.055 245.3)
XYZxyz(15.5181, 17.0266, 29.2513)
Luminance0.1703 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577691 #917257
analogous
#57918F #577691 #575991
triadic
#577691 #915776 #769157
tetradic
#577691 #8F5791 #917257 #599157
square
#577691 #8F5791 #917257 #599157
split-complementary
#577691 #915759 #918F57
monochromatic
#293844 #40576B #577691 #7794AE #9EB3C5

Accessibility & contrast

On white

4.77
#577691 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.41
#577691 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577691
4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577691#FFFFFF#000000##FFFFFF
##5776911.004.774.414.77
#FFFFFF4.771.0021.001.00
#0000004.4121.001.0021.00
##FFFFFF4.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6B7692
Deuteranopia (green-blind)
#647090
Tritanopia (blue-blind)
#427C7F
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #577691;
/* rgb */ color: rgb(87, 118, 145);
/* oklch */ color: oklch(55.3% 0.055 245.3);
Tailwind
colors: {
  custom: {
    50: '#899db1',
    500: '#577691',
    950: '#000000',
  },
}
SCSS
$custom: #577691;
$custom-light: #899db1;
$custom-dark: #000000;
JSON
{
  "hex": "#577691",
  "rgb": {
    "r": 87,
    "g": 118,
    "b": 145
  },
  "hsl": {
    "h": 207.931,
    "s": 25,
    "l": 45.49
  },
  "oklch": {
    "l": 0.55254,
    "c": 0.05535,
    "h": 245.3
  },
  "luminance": 0.17027
}

Semantic roles & 50–950 ramp

primary
#577691
secondary
#B2A192
accent
#9166C1
background
#F8F9FA
surface
#F0F2F5
border
#CBCCCF
text
#0C0E10
muted
#7D7E7F

Preview Lab

Preview with #577691

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

Preview Lab → · Contrast checker → · Palette generator →

#577691 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva