#577391#577391

#577391 is a mid, muted cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.057 H 250.6°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX#577391
RGBrgb(87, 115, 145)
HSLhsl(211, 25%, 45%)
HSVhsv(211, 40%, 57%)
CMYKcmyk(40%, 20.7%, 0%, 43.1%)
CIE-LABlab(47.41, -2.08, -19.56)
CIE-LCHlch(47.41, 19.67, 263.93°)
OKLaboklab(54.56% -0.019 -0.0541)
OKLCHoklch(54.56% 0.057 250.6)
XYZxyz(15.1704, 16.3312, 29.1354)
Luminance0.1633 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577391 #917557
analogous
#579091 #577391 #585791
triadic
#577391 #915773 #739157
tetradic
#577391 #915790 #917557 #579158
square
#577391 #915790 #917557 #579158
split-complementary
#577391 #915857 #909157
monochromatic
#293644 #40556B #577391 #7792AE #9EB1C5

Accessibility & contrast

On white

4.92
#577391 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.27
#577391 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577391
4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577391#FFFFFF#000000##FFFFFF
##5773911.004.924.274.92
#FFFFFF4.921.0021.001.00
#0000004.2721.001.0021.00
##FFFFFF4.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#677492
Deuteranopia (green-blind)
#606E90
Tritanopia (blue-blind)
#437A7D
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #577391;
/* rgb */ color: rgb(87, 115, 145);
/* oklch */ color: oklch(54.6% 0.057 250.6);
Tailwind
colors: {
  custom: {
    50: '#899bb1',
    500: '#577391',
    950: '#000000',
  },
}
SCSS
$custom: #577391;
$custom-light: #899bb1;
$custom-dark: #000000;
JSON
{
  "hex": "#577391",
  "rgb": {
    "r": 87,
    "g": 115,
    "b": 145
  },
  "hsl": {
    "h": 211.034,
    "s": 25,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54556,
    "c": 0.05739,
    "h": 250.6
  },
  "luminance": 0.16332
}

Semantic roles & 50–950 ramp

primary
#577391
secondary
#B2A292
accent
#9566C1
background
#F8F9FA
surface
#F0F2F5
border
#CBCCCF
text
#0C0E10
muted
#7D7E7F

Preview Lab

Preview with #577391

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

Preview Lab → · Contrast checker → · Palette generator →

#577391 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva