#577BA9#577BA9

#577BA9 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.5% C 0.082 H 255.0°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX#577BA9
RGBrgb(87, 123, 169)
HSLhsl(214, 32%, 50%)
HSVhsv(214, 49%, 66%)
CMYKcmyk(48.5%, 27.2%, 0%, 33.7%)
CIE-LABlab(50.75, 0.32, -28.45)
CIE-LCHlch(50.75, 28.45, 270.65°)
OKLaboklab(57.52% -0.0214 -0.0795)
OKLCHoklch(57.52% 0.082 255)
XYZxyz(18.1725, 19.0555, 40.2489)
Luminance0.1906 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577BA9 #A98557
analogous
#57A4A9 #577BA9 #5C57A9
triadic
#577BA9 #A9577B #7BA957
tetradic
#577BA9 #A957A4 #A98557 #57A95C
square
#577BA9 #A957A4 #A98557 #57A95C
split-complementary
#577BA9 #A95C57 #A4A957
monochromatic
#2D4058 #425E81 #577BA9 #7F9BBE #A8BBD2

Accessibility & contrast

On white

4.36
#577BA9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.81
#577BA9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577BA9
4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577BA9#FFFFFF#000000##000000
##577BA91.004.364.814.81
#FFFFFF4.361.0021.0021.00
#0000004.8121.001.001.00
##0000004.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#697DAB
Deuteranopia (green-blind)
#5F75A8
Tritanopia (blue-blind)
#33858B
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #577ba9;
/* rgb */ color: rgb(87, 123, 169);
/* oklch */ color: oklch(57.5% 0.082 255.0);
Tailwind
colors: {
  custom: {
    50: '#8ba1c2',
    500: '#577ba9',
    950: '#000000',
  },
}
SCSS
$custom: #577ba9;
$custom-light: #8ba1c2;
$custom-dark: #000000;
JSON
{
  "hex": "#577ba9",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 169
  },
  "hsl": {
    "h": 213.659,
    "s": 32.283,
    "l": 50.196
  },
  "oklch": {
    "l": 0.57515,
    "c": 0.08237,
    "h": 255
  },
  "luminance": 0.19057
}

Semantic roles & 50–950 ramp

primary
#577BA9
secondary
#C0B09C
accent
#9A5FC8
background
#F8F9FB
surface
#F0F2F7
border
#CBCCD0
text
#0C0E12
muted
#7D7E81

Preview Lab

Preview with #577BA9

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

Preview Lab → · Contrast checker → · Palette generator →

#577BA9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva