#577CA9#577CA9

#577CA9 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.7% C 0.081 H 253.9°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX#577CA9
RGBrgb(87, 124, 169)
HSLhsl(213, 32%, 50%)
HSVhsv(213, 49%, 66%)
CMYKcmyk(48.5%, 26.6%, 0%, 33.7%)
CIE-LABlab(51.04, -0.27, -28.00)
CIE-LCHlch(51.04, 28.00, 269.44°)
OKLaboklab(57.74% -0.0226 -0.0783)
OKLCHoklch(57.74% 0.081 253.9)
XYZxyz(18.2971, 19.3049, 40.2905)
Luminance0.1931 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577CA9 #A98457
analogous
#57A5A9 #577CA9 #5B57A9
triadic
#577CA9 #A9577C #7CA957
tetradic
#577CA9 #A957A5 #A98457 #57A95B
square
#577CA9 #A957A5 #A98457 #57A95B
split-complementary
#577CA9 #A95B57 #A5A957
monochromatic
#2D4158 #425E81 #577CA9 #7F9CBE #A8BBD2

Accessibility & contrast

On white

4.32
#577CA9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.86
#577CA9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577CA9
4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577CA9#FFFFFF#000000##000000
##577CA91.004.324.864.86
#FFFFFF4.321.0021.0021.00
#0000004.8621.001.001.00
##0000004.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A7EAB
Deuteranopia (green-blind)
#6076A8
Tritanopia (blue-blind)
#33868C
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #577ca9;
/* rgb */ color: rgb(87, 124, 169);
/* oklch */ color: oklch(57.7% 0.081 253.9);
Tailwind
colors: {
  custom: {
    50: '#8ba1c2',
    500: '#577ca9',
    950: '#000000',
  },
}
SCSS
$custom: #577ca9;
$custom-light: #8ba1c2;
$custom-dark: #000000;
JSON
{
  "hex": "#577ca9",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 169
  },
  "hsl": {
    "h": 212.927,
    "s": 32.283,
    "l": 50.196
  },
  "oklch": {
    "l": 0.57742,
    "c": 0.08147,
    "h": 253.9
  },
  "luminance": 0.19306
}

Semantic roles & 50–950 ramp

primary
#577CA9
secondary
#C0B09C
accent
#995FC8
background
#F8F9FB
surface
#F0F2F7
border
#CBCCD0
text
#0C0F12
muted
#7D7E81

Preview Lab

Preview with #577CA9

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

Preview Lab → · Contrast checker → · Palette generator →

#577CA9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva