#516CB4#516CB4

#516CB4 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.4% C 0.117 H 267.0°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#516CB4
RGB	rgb(81, 108, 180)
HSL	hsl(224, 40%, 51%)
HSV	hsv(224, 55%, 71%)
CMYK	cmyk(55%, 40%, 0%, 29.4%)
CIE-LAB	lab(46.67, 11.54, -41.28)
CIE-LCH	lch(46.67, 42.86, 285.62°)
OKLab	oklab(54.42% -0.0062 -0.117)
OKLCH	oklch(54.42% 0.117 267)
XYZ	xyz(16.9914, 15.7685, 45.3194)
Luminance	0.1577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CB4 #B49951

analogous

#519DB4 #516CB4 #6751B4

triadic

#516CB4 #B4516C #6CB451

tetradic

#516CB4 #B4519D #B49951 #51B467

square

#516CB4 #B4519D #B49951 #51B467

split-complementary

#516CB4 #B46751 #9DB451

monochromatic

#2A3961 #3C528C #516CB4 #7C90C6 #A7B4D9

Accessibility & contrast

On white

5.06

#516CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#516CB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CB4

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CB4	#FFFFFF	#000000	##FFFFFF
##516CB4	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E73B7

Deuteranopia (green-blind)

#426AB2

Tritanopia (blue-blind)

#1A7C87

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #516cb4;
/* rgb */ color: rgb(81, 108, 180);
/* oklch */ color: oklch(54.4% 0.117 267.0);

Tailwind

colors: {
  custom: {
    50: '#8995cb',
    500: '#516cb4',
    950: '#000000',
  },
}

SCSS

$custom: #516cb4;
$custom-light: #8995cb;
$custom-dark: #000000;

JSON

{
  "hex": "#516cb4",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 180
  },
  "hsl": {
    "h": 223.636,
    "s": 39.759,
    "l": 51.176
  },
  "oklch": {
    "l": 0.54424,
    "c": 0.11718,
    "h": 267
  },
  "luminance": 0.1577
}

Semantic roles & 50–950 ramp

primary

#516CB4

secondary

#C6BA9B

accent

#AF58D0

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516CB4

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

Preview Lab → · Contrast checker → · Palette generator →