#516DA5#516DA5

#516DA5 is a mid, moderate blue. Relative luminance 0.154; OKLCH L 53.8% C 0.094 H 263.3°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#516DA5
RGB	rgb(81, 109, 165)
HSL	hsl(220, 34%, 48%)
HSV	hsv(220, 51%, 65%)
CMYK	cmyk(50.9%, 33.9%, 0%, 35.3%)
CIE-LAB	lab(46.18, 6.04, -33.28)
CIE-LCH	lch(46.18, 33.82, 280.29°)
OKLab	oklab(53.79% -0.011 -0.0937)
OKLCH	oklch(53.79% 0.094 263.3)
XYZ	xyz(15.6513, 15.4021, 37.7382)
Luminance	0.1540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DA5 #A58951

analogous

#5197A5 #516DA5 #5F51A5

triadic

#516DA5 #A5516D #6DA551

tetradic

#516DA5 #A55197 #A58951 #51A55F

square

#516DA5 #A55197 #A58951 #51A55F

split-complementary

#516DA5 #A55F51 #97A551

monochromatic

#293753 #3D527C #516DA5 #778EBC #A0B0D0

Accessibility & contrast

On white

5.15

#516DA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#516DA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DA5

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DA5	#FFFFFF	#000000	##FFFFFF
##516DA5	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5772A7

Deuteranopia (green-blind)

#4E6AA4

Tritanopia (blue-blind)

#2B7981

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #516da5;
/* rgb */ color: rgb(81, 109, 165);
/* oklch */ color: oklch(53.8% 0.094 263.3);

Tailwind

colors: {
  custom: {
    50: '#8796c0',
    500: '#516da5',
    950: '#000000',
  },
}

SCSS

$custom: #516da5;
$custom-light: #8796c0;
$custom-dark: #000000;

JSON

{
  "hex": "#516da5",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 165
  },
  "hsl": {
    "h": 220,
    "s": 34.146,
    "l": 48.235
  },
  "oklch": {
    "l": 0.53793,
    "c": 0.09433,
    "h": 263.3
  },
  "luminance": 0.15403
}

Semantic roles & 50–950 ramp

primary

#516DA5

secondary

#BDB094

accent

#A65ECA

background

#F8F9FB

surface

#F0F1F7

border

#CBCBD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516DA5

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

Preview Lab → · Contrast checker → · Palette generator →