#517C8F#517C8F

#517C8F is a mid, muted cyan. Relative luminance 0.181; OKLCH L 56.2% C 0.056 H 227.6°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#517C8F
RGBrgb(81, 124, 143)
HSLhsl(198, 28%, 44%)
HSVhsv(198, 43%, 56%)
CMYKcmyk(43.4%, 13.3%, 0%, 43.9%)
CIE-LABlab(49.67, -9.57, -14.95)
CIE-LCHlch(49.67, 17.75, 237.38°)
OKLaboklab(56.23% -0.0376 -0.0412)
OKLCHoklch(56.23% 0.056 227.6)
XYZxyz(15.5572, 18.1468, 28.6642)
Luminance0.1815 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#517C8F #8F6451
analogous
#518F83 #517C8F #515D8F
triadic
#517C8F #8F517C #7C8F51
tetradic
#517C8F #83518F #8F6451 #5D8F51
square
#517C8F #83518F #8F6451 #5D8F51
split-complementary
#517C8F #8F515D #8F8351
monochromatic
#253841 #3B5A68 #517C8F #6F9BAE #97B6C4

Accessibility & contrast

On white

4.54
#517C8F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.63
#517C8F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #517C8F
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##517C8F#FFFFFF#000000##000000
##517C8F1.004.544.634.63
#FFFFFF4.541.0021.0021.00
#0000004.6321.001.001.00
##0000004.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#727A90
Deuteranopia (green-blind)
#69738F
Tritanopia (blue-blind)
#378282
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #517c8f;
/* rgb */ color: rgb(81, 124, 143);
/* oklch */ color: oklch(56.2% 0.056 227.6);
Tailwind
colors: {
  custom: {
    50: '#85a2af',
    500: '#517c8f',
    950: '#000000',
  },
}
SCSS
$custom: #517c8f;
$custom-light: #85a2af;
$custom-dark: #000000;
JSON
{
  "hex": "#517c8f",
  "rgb": {
    "r": 81,
    "g": 124,
    "b": 143
  },
  "hsl": {
    "h": 198.387,
    "s": 27.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56231,
    "c": 0.05582,
    "h": 227.6
  },
  "luminance": 0.18148
}

Semantic roles & 50–950 ramp

primary
#517C8F
secondary
#B1978B
accent
#8164C4
background
#F8F9FA
surface
#EFF2F4
border
#CACCCE
text
#0B0F10
muted
#7C7E7F

Preview Lab

Preview with #517C8F

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

Preview Lab → · Contrast checker → · Palette generator →

#517C8F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva