#516FA4#516FA4

#516FA4 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.2% C 0.091 H 261.3°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#516FA4
RGB	rgb(81, 111, 164)
HSL	hsl(218, 34%, 48%)
HSV	hsv(218, 51%, 64%)
CMYK	cmyk(50.6%, 32.3%, 0%, 35.7%)
CIE-LAB	lab(46.71, 4.49, -31.87)
CIE-LCH	lch(46.71, 32.18, 278.03°)
OKLab	oklab(54.19% -0.0137 -0.0896)
OKLCH	oklch(54.19% 0.091 261.3)
XYZ	xyz(15.7764, 15.7975, 37.3326)
Luminance	0.1580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FA4 #A48651

analogous

#5199A4 #516FA4 #5C51A4

triadic

#516FA4 #A4516F #6FA451

tetradic

#516FA4 #A45199 #A48651 #51A45C

square

#516FA4 #A45199 #A48651 #51A45C

split-complementary

#516FA4 #A45C51 #99A451

monochromatic

#293852 #3D537B #516FA4 #7790BC #A0B1D0

Accessibility & contrast

On white

5.05

#516FA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#516FA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516FA4

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FA4	#FFFFFF	#000000	##FFFFFF
##516FA4	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B73A6

Deuteranopia (green-blind)

#516BA3

Tritanopia (blue-blind)

#2C7A82

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #516fa4;
/* rgb */ color: rgb(81, 111, 164);
/* oklch */ color: oklch(54.2% 0.091 261.3);

Tailwind

colors: {
  custom: {
    50: '#8798bf',
    500: '#516fa4',
    950: '#000000',
  },
}

SCSS

$custom: #516fa4;
$custom-light: #8798bf;
$custom-dark: #000000;

JSON

{
  "hex": "#516fa4",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 164
  },
  "hsl": {
    "h": 218.313,
    "s": 33.878,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54188,
    "c": 0.09063,
    "h": 261.3
  },
  "luminance": 0.15799
}

Semantic roles & 50–950 ramp

primary

#516FA4

secondary

#BDAE94

accent

#A35ECA

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516FA4

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

Preview Lab → · Contrast checker → · Palette generator →