#577491#577491

#577491 is a mid, muted cyan. Relative luminance 0.166; OKLCH L 54.8% C 0.057 H 248.9°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX#577491
RGBrgb(87, 116, 145)
HSLhsl(210, 25%, 45%)
HSVhsv(210, 40%, 57%)
CMYKcmyk(40%, 20%, 0%, 43.1%)
CIE-LABlab(47.70, -2.67, -19.11)
CIE-LCHlch(47.70, 19.29, 262.04°)
OKLaboklab(54.79% -0.0204 -0.0529)
OKLCHoklch(54.79% 0.057 248.9)
XYZxyz(15.2851, 16.5605, 29.1737)
Luminance0.1656 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577491 #917457
analogous
#579191 #577491 #575791
triadic
#577491 #915774 #749157
tetradic
#577491 #915791 #917457 #579157
square
#577491 #915791 #917457 #579157
split-complementary
#577491 #915757 #919157
monochromatic
#293744 #40556B #577491 #7793AE #9EB1C5

Accessibility & contrast

On white

4.87
#577491 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.31
#577491 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577491
4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577491#FFFFFF#000000##FFFFFF
##5774911.004.874.314.87
#FFFFFF4.871.0021.001.00
#0000004.3121.001.0021.00
##FFFFFF4.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#697592
Deuteranopia (green-blind)
#616F90
Tritanopia (blue-blind)
#437B7E
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #577491;
/* rgb */ color: rgb(87, 116, 145);
/* oklch */ color: oklch(54.8% 0.057 248.9);
Tailwind
colors: {
  custom: {
    50: '#899bb1',
    500: '#577491',
    950: '#000000',
  },
}
SCSS
$custom: #577491;
$custom-light: #899bb1;
$custom-dark: #000000;
JSON
{
  "hex": "#577491",
  "rgb": {
    "r": 87,
    "g": 116,
    "b": 145
  },
  "hsl": {
    "h": 210,
    "s": 25,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54788,
    "c": 0.05666,
    "h": 248.9
  },
  "luminance": 0.16561
}

Semantic roles & 50–950 ramp

primary
#577491
secondary
#B2A292
accent
#9466C1
background
#F8F9FA
surface
#F0F2F5
border
#CBCCCF
text
#0C0E10
muted
#7D7E7F

Preview Lab

Preview with #577491

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

Preview Lab → · Contrast checker → · Palette generator →

#577491 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva