#516CD4#516CD4

#516CD4 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.5% C 0.162 H 269.6°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#516CD4
RGB	rgb(81, 108, 212)
HSL	hsl(228, 60%, 57%)
HSV	hsv(228, 62%, 83%)
CMYK	cmyk(61.8%, 49.1%, 0%, 16.9%)
CIE-LAB	lab(48.54, 22.31, -56.70)
CIE-LCH	lch(48.54, 60.93, 291.48°)
OKLab	oklab(56.46% -0.001 -0.1623)
OKLCH	oklch(56.46% 0.162 269.6)
XYZ	xyz(20.6356, 17.2262, 64.5121)
Luminance	0.1723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CD4 #D4B951

analogous

#51ADD4 #516CD4 #7851D4

triadic

#516CD4 #D4516C #6CD451

tetradic

#516CD4 #D451AD #D4B951 #51D478

square

#516CD4 #D451AD #D4B951 #51D478

split-complementary

#516CD4 #D47851 #ADD451

monochromatic

#223789 #2E4BBA #516CD4 #8295E0 #B3BFEC

Accessibility & contrast

On white

4.72

#516CD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#516CD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CD4

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CD4	#FFFFFF	#000000	##FFFFFF
##516CD4	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3579D8

Deuteranopia (green-blind)

#186ED2

Tritanopia (blue-blind)

#008496

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #516cd4;
/* rgb */ color: rgb(81, 108, 212);
/* oklch */ color: oklch(56.5% 0.162 269.6);

Tailwind

colors: {
  custom: {
    50: '#8e95e2',
    500: '#516cd4',
    950: '#000000',
  },
}

SCSS

$custom: #516cd4;
$custom-light: #8e95e2;
$custom-dark: #000000;

JSON

{
  "hex": "#516cd4",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 212
  },
  "hsl": {
    "h": 227.634,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.56464,
    "c": 0.16229,
    "h": 269.6
  },
  "luminance": 0.17228
}

Semantic roles & 50–950 ramp

primary

#516CD4

secondary

#DBD0A6

accent

#C344E4

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516CD4

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

Preview Lab → · Contrast checker → · Palette generator →