#516F99#516F99

#516F99 is a mid, moderate blue. Relative luminance 0.154; OKLCH L 53.6% C 0.075 H 256.9°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#516F99
RGB	rgb(81, 111, 153)
HSL	hsl(215, 31%, 46%)
HSV	hsv(215, 47%, 60%)
CMYK	cmyk(47.1%, 27.5%, 0%, 40%)
CIE-LAB	lab(46.20, 1.04, -26.18)
CIE-LCH	lch(46.20, 26.20, 272.29°)
OKLab	oklab(53.63% -0.017 -0.0732)
OKLCH	oklch(53.63% 0.075 256.9)
XYZ	xyz(14.8256, 15.4172, 32.3254)
Luminance	0.1542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516F99 #997B51

analogous

#519399 #516F99 #575199

triadic

#516F99 #99516F #6F9951

tetradic

#516F99 #995193 #997B51 #519957

square

#516F99 #995193 #997B51 #519957

split-complementary

#516F99 #995751 #939951

monochromatic

#273549 #3C5271 #516F99 #738EB5 #9BAECA

Accessibility & contrast

On white

5.14

#516F99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#516F99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516F99

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516F99	#FFFFFF	#000000	##FFFFFF
##516F99	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F719B

Deuteranopia (green-blind)

#576A98

Tritanopia (blue-blind)

#34787E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #516f99;
/* rgb */ color: rgb(81, 111, 153);
/* oklch */ color: oklch(53.6% 0.075 256.9);

Tailwind

colors: {
  custom: {
    50: '#8698b7',
    500: '#516f99',
    950: '#000000',
  },
}

SCSS

$custom: #516f99;
$custom-light: #8698b7;
$custom-dark: #000000;

JSON

{
  "hex": "#516f99",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 153
  },
  "hsl": {
    "h": 215,
    "s": 30.769,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53625,
    "c": 0.07511,
    "h": 256.9
  },
  "luminance": 0.15418
}

Semantic roles & 50–950 ramp

primary

#516F99

secondary

#B7A68F

accent

#9C61C7

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0B0D11

muted

#7C7E80

Preview Lab

Preview with #516F99

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

Preview Lab → · Contrast checker → · Palette generator →