#516CA5#516CA5

#516CA5 is a mid, moderate blue. Relative luminance 0.152; OKLCH L 53.6% C 0.096 H 264.2°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#516CA5
RGB	rgb(81, 108, 165)
HSL	hsl(221, 34%, 48%)
HSV	hsv(221, 51%, 65%)
CMYK	cmyk(50.9%, 34.5%, 0%, 35.3%)
CIE-LAB	lab(45.89, 6.65, -33.73)
CIE-LCH	lch(45.89, 34.38, 281.16°)
OKLab	oklab(53.57% -0.0097 -0.095)
OKLCH	oklch(53.57% 0.096 264.2)
XYZ	xyz(15.5452, 15.1900, 37.7028)
Luminance	0.1519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CA5 #A58A51

analogous

#5196A5 #516CA5 #6051A5

triadic

#516CA5 #A5516C #6CA551

tetradic

#516CA5 #A55196 #A58A51 #51A560

square

#516CA5 #A55196 #A58A51 #51A560

split-complementary

#516CA5 #A56051 #96A551

monochromatic

#293653 #3D517C #516CA5 #778DBC #A0B0D0

Accessibility & contrast

On white

5.20

#516CA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#516CA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CA5

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CA5	#FFFFFF	#000000	##FFFFFF
##516CA5	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5671A7

Deuteranopia (green-blind)

#4D69A4

Tritanopia (blue-blind)

#2B7881

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #516ca5;
/* rgb */ color: rgb(81, 108, 165);
/* oklch */ color: oklch(53.6% 0.096 264.2);

Tailwind

colors: {
  custom: {
    50: '#8795c0',
    500: '#516ca5',
    950: '#000000',
  },
}

SCSS

$custom: #516ca5;
$custom-light: #8795c0;
$custom-dark: #000000;

JSON

{
  "hex": "#516ca5",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 165
  },
  "hsl": {
    "h": 220.714,
    "s": 34.146,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5357,
    "c": 0.09551,
    "h": 264.2
  },
  "luminance": 0.15191
}

Semantic roles & 50–950 ramp

primary

#516CA5

secondary

#BDB094

accent

#A75ECA

background

#F8F9FB

surface

#F0F1F7

border

#CBCBD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516CA5

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

Preview Lab → · Contrast checker → · Palette generator →