#516CD5#516CD5

#516CD5 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.5% C 0.164 H 269.7°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#516CD5
RGB	rgb(81, 108, 213)
HSL	hsl(228, 61%, 58%)
HSV	hsv(228, 62%, 84%)
CMYK	cmyk(62%, 49.3%, 0%, 16.5%)
CIE-LAB	lab(48.61, 22.65, -57.16)
CIE-LCH	lch(48.61, 61.49, 291.61°)
OKLab	oklab(56.53% -0.0009 -0.1637)
OKLCH	oklch(56.53% 0.164 269.7)
XYZ	xyz(20.7621, 17.2768, 65.1785)
Luminance	0.1728 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CD5 #D5BA51

analogous

#51AED5 #516CD5 #7851D5

triadic

#516CD5 #D5516C #6CD551

tetradic

#516CD5 #D551AE #D5BA51 #51D578

square

#516CD5 #D551AE #D5BA51 #51D578

split-complementary

#516CD5 #D57851 #AED551

monochromatic

#21378A #2D4ABC #516CD5 #8296E1 #B4BFED

Accessibility & contrast

On white

4.71

#516CD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#516CD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CD5

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CD5	#FFFFFF	#000000	##FFFFFF
##516CD5	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#347AD9

Deuteranopia (green-blind)

#156ED3

Tritanopia (blue-blind)

#008496

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #516cd5;
/* rgb */ color: rgb(81, 108, 213);
/* oklch */ color: oklch(56.5% 0.164 269.7);

Tailwind

colors: {
  custom: {
    50: '#8e95e2',
    500: '#516cd5',
    950: '#000000',
  },
}

SCSS

$custom: #516cd5;
$custom-light: #8e95e2;
$custom-dark: #000000;

JSON

{
  "hex": "#516cd5",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 213
  },
  "hsl": {
    "h": 227.727,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.56532,
    "c": 0.16366,
    "h": 269.7
  },
  "luminance": 0.17279
}

Semantic roles & 50–950 ramp

primary

#516CD5

secondary

#DBD1A6

accent

#C344E4

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516CD5

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

Preview Lab → · Contrast checker → · Palette generator →