#516C81#516C81

#516C81 is a mid, muted cyan. Relative luminance 0.141; OKLCH L 51.8% C 0.046 H 242.1°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX#516C81
RGBrgb(81, 108, 129)
HSLhsl(206, 23%, 41%)
HSVhsv(206, 37%, 51%)
CMYKcmyk(37.2%, 16.3%, 0%, 49.4%)
CIE-LABlab(44.32, -4.25, -14.78)
CIE-LCHlch(44.32, 15.38, 253.94°)
OKLaboklab(51.82% -0.0215 -0.0407)
OKLCHoklch(51.82% 0.046 242.1)
XYZxyz(12.7171, 14.0588, 22.8082)
Luminance0.1406 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#516C81 #816651
analogous
#51817E #516C81 #515481
triadic
#516C81 #81516C #6C8151
tetradic
#516C81 #7E5181 #816651 #548151
square
#516C81 #7E5181 #816651 #548151
split-complementary
#516C81 #815154 #817E51
monochromatic
#222D36 #394D5B #516C81 #6C8BA3 #92A9BA

Accessibility & contrast

On white

5.51
#516C81 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.81
#516C81 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516C81
5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##516C81#FFFFFF#000000##FFFFFF
##516C811.005.513.815.51
#FFFFFF5.511.0021.001.00
#0000003.8121.001.0021.00
##FFFFFF5.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#636C82
Deuteranopia (green-blind)
#5D6781
Tritanopia (blue-blind)
#417173
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #516c81;
/* rgb */ color: rgb(81, 108, 129);
/* oklch */ color: oklch(51.8% 0.046 242.1);
Tailwind
colors: {
  custom: {
    50: '#8396a5',
    500: '#516c81',
    950: '#000000',
  },
}
SCSS
$custom: #516c81;
$custom-light: #8396a5;
$custom-dark: #000000;
JSON
{
  "hex": "#516c81",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 129
  },
  "hsl": {
    "h": 206.25,
    "s": 22.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.51817,
    "c": 0.04605,
    "h": 242.1
  },
  "luminance": 0.14059
}

Semantic roles & 50–950 ramp

primary
#516C81
secondary
#A89586
accent
#8E68BF
background
#F8F9FA
surface
#EFF1F4
border
#CACBCE
text
#0B0D0F
muted
#7C7E7F

Preview Lab

Preview with #516C81

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

Preview Lab → · Contrast checker → · Palette generator →

#516C81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva