#516A8D#516A8D

#516A8D is a mid, moderate blue. Relative luminance 0.140; OKLCH L 51.9% C 0.063 H 256.9°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX#516A8D
RGBrgb(81, 106, 141)
HSLhsl(215, 27%, 44%)
HSVhsv(215, 43%, 55%)
CMYKcmyk(42.6%, 24.8%, 0%, 44.7%)
CIE-LABlab(44.20, 0.43, -22.14)
CIE-LCHlch(44.20, 22.15, 271.11°)
OKLaboklab(51.89% -0.0144 -0.0616)
OKLCHoklch(51.89% 0.063 256.9)
XYZxyz(13.3535, 13.9797, 27.1889)
Luminance0.1398 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#516A8D #8D7451
analogous
#51888D #516A8D #56518D
triadic
#516A8D #8D516A #6A8D51
tetradic
#516A8D #8D5188 #8D7451 #518D56
square
#516A8D #8D5188 #8D7451 #518D56
split-complementary
#516A8D #8D5651 #888D51
monochromatic
#24303F #3B4D66 #516A8D #6F88AC #96A8C3

Accessibility & contrast

On white

5.53
#516A8D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.80
#516A8D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516A8D
5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##516A8D#FFFFFF#000000##FFFFFF
##516A8D1.005.533.805.53
#FFFFFF5.531.0021.001.00
#0000003.8021.001.0021.00
##FFFFFF5.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D6C8F
Deuteranopia (green-blind)
#56668C
Tritanopia (blue-blind)
#3C7276
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #516a8d;
/* rgb */ color: rgb(81, 106, 141);
/* oklch */ color: oklch(51.9% 0.063 256.9);
Tailwind
colors: {
  custom: {
    50: '#8494ae',
    500: '#516a8d',
    950: '#000000',
  },
}
SCSS
$custom: #516a8d;
$custom-light: #8494ae;
$custom-dark: #000000;
JSON
{
  "hex": "#516a8d",
  "rgb": {
    "r": 81,
    "g": 106,
    "b": 141
  },
  "hsl": {
    "h": 215,
    "s": 27.027,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51888,
    "c": 0.06323,
    "h": 256.9
  },
  "luminance": 0.1398
}

Semantic roles & 50–950 ramp

primary
#516A8D
secondary
#AFA08A
accent
#9C64C3
background
#F8F9FA
surface
#EFF1F4
border
#CACBCE
text
#0B0D10
muted
#7C7E7F

Preview Lab

Preview with #516A8D

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

Preview Lab → · Contrast checker → · Palette generator →

#516A8D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva