#516FD4#516FD4

#516FD4 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.1% C 0.159 H 268.6°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#516FD4
RGB	rgb(81, 111, 212)
HSL	hsl(226, 60%, 57%)
HSV	hsv(226, 62%, 83%)
CMYK	cmyk(61.8%, 47.6%, 0%, 16.9%)
CIE-LAB	lab(49.34, 20.44, -55.42)
CIE-LCH	lch(49.34, 59.07, 290.24°)
OKLab	oklab(57.07% -0.004 -0.1585)
OKLCH	oklch(57.07% 0.159 268.6)
XYZ	xyz(20.9574, 17.8699, 64.6194)
Luminance	0.1787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FD4 #D4B651

analogous

#51B0D4 #516FD4 #7551D4

triadic

#516FD4 #D4516F #6FD451

tetradic

#516FD4 #D451B0 #D4B651 #51D475

square

#516FD4 #D451B0 #D4B651 #51D475

split-complementary

#516FD4 #D47551 #B0D451

monochromatic

#223989 #2E4EBA #516FD4 #8298E0 #B3C0EC

Accessibility & contrast

On white

4.59

#516FD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#516FD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #516FD4

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FD4	#FFFFFF	#000000	##FFFFFF
##516FD4	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C7BD8

Deuteranopia (green-blind)

#2370D2

Tritanopia (blue-blind)

#008697

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #516fd4;
/* rgb */ color: rgb(81, 111, 212);
/* oklch */ color: oklch(57.1% 0.159 268.6);

Tailwind

colors: {
  custom: {
    50: '#8e97e2',
    500: '#516fd4',
    950: '#000000',
  },
}

SCSS

$custom: #516fd4;
$custom-light: #8e97e2;
$custom-dark: #000000;

JSON

{
  "hex": "#516fd4",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 212
  },
  "hsl": {
    "h": 226.26,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.57068,
    "c": 0.15855,
    "h": 268.6
  },
  "luminance": 0.17872
}

Semantic roles & 50–950 ramp

primary

#516FD4

secondary

#DBCFA6

accent

#BF44E4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516FD4

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

Preview Lab → · Contrast checker → · Palette generator →