#577A98#577A98

#577A98 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.5% C 0.061 H 245.1°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#577A98
RGBrgb(87, 122, 152)
HSLhsl(208, 27%, 47%)
HSVhsv(208, 43%, 60%)
CMYKcmyk(42.8%, 19.7%, 0%, 40.4%)
CIE-LABlab(49.75, -4.17, -20.08)
CIE-LCHlch(49.75, 20.51, 258.26°)
OKLaboklab(56.49% -0.0259 -0.0556)
OKLCHoklch(56.49% 0.061 245.1)
XYZxyz(16.5556, 18.2113, 32.3424)
Luminance0.1821 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577A98 #987557
analogous
#579896 #577A98 #575A98
triadic
#577A98 #98577A #7A9857
tetradic
#577A98 #965798 #987557 #5A9857
square
#577A98 #965798 #987557 #5A9857
split-complementary
#577A98 #98575A #989657
monochromatic
#2A3C4A #415B71 #577A98 #7A98B3 #A0B6C9

Accessibility & contrast

On white

4.52
#577A98 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.64
#577A98 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577A98
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577A98#FFFFFF#000000##000000
##577A981.004.524.644.64
#FFFFFF4.521.0021.0021.00
#0000004.6421.001.001.00
##0000004.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E7A99
Deuteranopia (green-blind)
#657397
Tritanopia (blue-blind)
#3E8184
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #577a98;
/* rgb */ color: rgb(87, 122, 152);
/* oklch */ color: oklch(56.5% 0.061 245.1);
Tailwind
colors: {
  custom: {
    50: '#89a0b6',
    500: '#577a98',
    950: '#000000',
  },
}
SCSS
$custom: #577a98;
$custom-light: #89a0b6;
$custom-dark: #000000;
JSON
{
  "hex": "#577a98",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 152
  },
  "hsl": {
    "h": 207.692,
    "s": 27.197,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56494,
    "c": 0.06136,
    "h": 245.1
  },
  "luminance": 0.18212
}

Semantic roles & 50–950 ramp

primary
#577A98
secondary
#B6A494
accent
#9064C4
background
#F8F9FB
surface
#F0F2F6
border
#CBCCD0
text
#0C0E11
muted
#7D7E80

Preview Lab

Preview with #577A98

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

Preview Lab → · Contrast checker → · Palette generator →

#577A98 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva