#516DA3#516DA3

#516DA3 is a mid, moderate blue. Relative luminance 0.153; OKLCH L 53.7% C 0.091 H 262.8°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#516DA3
RGB	rgb(81, 109, 163)
HSL	hsl(220, 34%, 48%)
HSV	hsv(220, 50%, 64%)
CMYK	cmyk(50.3%, 33.1%, 0%, 36.1%)
CIE-LAB	lab(46.08, 5.40, -32.26)
CIE-LCH	lch(46.08, 32.71, 279.50°)
OKLab	oklab(53.69% -0.0115 -0.0907)
OKLCH	oklch(53.69% 0.091 262.8)
XYZ	xyz(15.4706, 15.3299, 36.7870)
Luminance	0.1533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DA3 #A38751

analogous

#5196A3 #516DA3 #5E51A3

triadic

#516DA3 #A3516D #6DA351

tetradic

#516DA3 #A35196 #A38751 #51A35E

square

#516DA3 #A35196 #A38751 #51A35E

split-complementary

#516DA3 #A35E51 #96A351

monochromatic

#283651 #3D527A #516DA3 #768EBB #9FB0CF

Accessibility & contrast

On white

5.16

#516DA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#516DA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DA3

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DA3	#FFFFFF	#000000	##FFFFFF
##516DA3	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5871A5

Deuteranopia (green-blind)

#4F6AA2

Tritanopia (blue-blind)

#2D7980

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #516da3;
/* rgb */ color: rgb(81, 109, 163);
/* oklch */ color: oklch(53.7% 0.091 262.8);

Tailwind

colors: {
  custom: {
    50: '#8796be',
    500: '#516da3',
    950: '#000000',
  },
}

SCSS

$custom: #516da3;
$custom-light: #8796be;
$custom-dark: #000000;

JSON

{
  "hex": "#516da3",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 163
  },
  "hsl": {
    "h": 219.512,
    "s": 33.607,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53685,
    "c": 0.09145,
    "h": 262.8
  },
  "luminance": 0.15331
}

Semantic roles & 50–950 ramp

primary

#516DA3

secondary

#BCAE93

accent

#A55ECA

background

#F8F9FB

surface

#F0F1F7

border

#CBCBD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516DA3

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

Preview Lab → · Contrast checker → · Palette generator →