#516B78#516B78

#516B78 is a mid, muted cyan. Relative luminance 0.136; OKLCH L 51.2% C 0.037 H 230.0°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX#516B78
RGBrgb(81, 107, 120)
HSLhsl(200, 19%, 39%)
HSVhsv(200, 33%, 47%)
CMYKcmyk(32.5%, 10.8%, 0%, 52.9%)
CIE-LABlab(43.68, -6.14, -10.33)
CIE-LCHlch(43.68, 12.02, 239.26°)
OKLaboklab(51.21% -0.0237 -0.0283)
OKLCHoklch(51.21% 0.037 230)
XYZxyz(12.0401, 13.6202, 19.7602)
Luminance0.1362 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#516B78 #785E51
analogous
#517872 #516B78 #515878
triadic
#516B78 #78516B #6B7851
tetradic
#516B78 #725178 #785E51 #587851
square
#516B78 #725178 #785E51 #587851
split-complementary
#516B78 #785158 #787251
monochromatic
#202A2F #384A53 #516B78 #6B8B9B #90A8B4

Accessibility & contrast

On white

5.64
#516B78 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.72
#516B78 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516B78
5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##516B78#FFFFFF#000000##FFFFFF
##516B781.005.643.725.64
#FFFFFF5.641.0021.001.00
#0000003.7221.001.0021.00
##FFFFFF5.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#656A79
Deuteranopia (green-blind)
#5F6578
Tritanopia (blue-blind)
#446F6F
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #516b78;
/* rgb */ color: rgb(81, 107, 120);
/* oklch */ color: oklch(51.2% 0.037 230.0);
Tailwind
colors: {
  custom: {
    50: '#83959f',
    500: '#516b78',
    950: '#000000',
  },
}
SCSS
$custom: #516b78;
$custom-light: #83959f;
$custom-dark: #000000;
JSON
{
  "hex": "#516b78",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 120
  },
  "hsl": {
    "h": 200,
    "s": 19.403,
    "l": 39.412
  },
  "oklch": {
    "l": 0.51207,
    "c": 0.03691,
    "h": 230
  },
  "luminance": 0.13621
}

Semantic roles & 50–950 ramp

primary
#516B78
secondary
#A18D84
accent
#876CBC
background
#F8F9F9
surface
#EFF1F2
border
#CACBCC
text
#0B0D0E
muted
#7C7E7E

Preview Lab

Preview with #516B78

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

Preview Lab → · Contrast checker → · Palette generator →

#516B78 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva