#577191#577191

#577191 is a mid, muted cyan. Relative luminance 0.159; OKLCH L 54.1% C 0.059 H 254.0°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX#577191
RGBrgb(87, 113, 145)
HSLhsl(213, 25%, 45%)
HSVhsv(213, 40%, 57%)
CMYKcmyk(40%, 22.1%, 0%, 43.1%)
CIE-LABlab(46.82, -0.89, -20.46)
CIE-LCHlch(46.82, 20.48, 267.50°)
OKLaboklab(54.09% -0.0163 -0.0567)
OKLCHoklch(54.09% 0.059 254)
XYZxyz(14.9448, 15.8800, 29.0603)
Luminance0.1588 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577191 #917757
analogous
#578E91 #577191 #5A5791
triadic
#577191 #915771 #719157
tetradic
#577191 #91578E #917757 #57915A
square
#577191 #91578E #917757 #57915A
split-complementary
#577191 #915A57 #8E9157
monochromatic
#293544 #40536B #577191 #7790AE #9EAFC5

Accessibility & contrast

On white

5.03
#577191 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.18
#577191 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577191
5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577191#FFFFFF#000000##FFFFFF
##5771911.005.034.185.03
#FFFFFF5.031.0021.001.00
#0000004.1821.001.0021.00
##FFFFFF5.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#657292
Deuteranopia (green-blind)
#5E6C90
Tritanopia (blue-blind)
#43787C
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #577191;
/* rgb */ color: rgb(87, 113, 145);
/* oklch */ color: oklch(54.1% 0.059 254.0);
Tailwind
colors: {
  custom: {
    50: '#8899b1',
    500: '#577191',
    950: '#000000',
  },
}
SCSS
$custom: #577191;
$custom-light: #8899b1;
$custom-dark: #000000;
JSON
{
  "hex": "#577191",
  "rgb": {
    "r": 87,
    "g": 113,
    "b": 145
  },
  "hsl": {
    "h": 213.103,
    "s": 25,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54093,
    "c": 0.05901,
    "h": 254
  },
  "luminance": 0.15881
}

Semantic roles & 50–950 ramp

primary
#577191
secondary
#B2A492
accent
#9966C1
background
#F8F9FA
surface
#F0F2F5
border
#CBCCCF
text
#0C0E10
muted
#7D7E7F

Preview Lab

Preview with #577191

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

Preview Lab → · Contrast checker → · Palette generator →

#577191 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva