#516FA3#516FA3

#516FA3 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.1% C 0.089 H 261.0°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#516FA3
RGB	rgb(81, 111, 163)
HSL	hsl(218, 34%, 48%)
HSV	hsv(218, 50%, 64%)
CMYK	cmyk(50.3%, 31.9%, 0%, 36.1%)
CIE-LAB	lab(46.66, 4.18, -31.35)
CIE-LCH	lch(46.66, 31.63, 277.59°)
OKLab	oklab(54.14% -0.014 -0.0881)
OKLCH	oklch(54.14% 0.089 261)
XYZ	xyz(15.6864, 15.7615, 36.8589)
Luminance	0.1576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FA3 #A38551

analogous

#5198A3 #516FA3 #5C51A3

triadic

#516FA3 #A3516F #6FA351

tetradic

#516FA3 #A35198 #A38551 #51A35C

square

#516FA3 #A35198 #A38551 #51A35C

split-complementary

#516FA3 #A35C51 #98A351

monochromatic

#283751 #3D537A #516FA3 #768FBB #9FB1CF

Accessibility & contrast

On white

5.06

#516FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#516FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516FA3

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FA3	#FFFFFF	#000000	##FFFFFF
##516FA3	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B73A5

Deuteranopia (green-blind)

#526BA2

Tritanopia (blue-blind)

#2C7A82

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #516fa3;
/* rgb */ color: rgb(81, 111, 163);
/* oklch */ color: oklch(54.1% 0.089 261.0);

Tailwind

colors: {
  custom: {
    50: '#8798be',
    500: '#516fa3',
    950: '#000000',
  },
}

SCSS

$custom: #516fa3;
$custom-light: #8798be;
$custom-dark: #000000;

JSON

{
  "hex": "#516fa3",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 163
  },
  "hsl": {
    "h": 218.049,
    "s": 33.607,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54135,
    "c": 0.0892,
    "h": 261
  },
  "luminance": 0.15763
}

Semantic roles & 50–950 ramp

primary

#516FA3

secondary

#BCAD93

accent

#A25ECA

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516FA3

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

Preview Lab → · Contrast checker → · Palette generator →