#516FE4#516FE4

#516FE4 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.2% C 0.180 H 269.3°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#516FE4
RGB	rgb(81, 111, 228)
HSL	hsl(228, 73%, 61%)
HSV	hsv(228, 64%, 89%)
CMYK	cmyk(64.5%, 51.3%, 0%, 10.6%)
CIE-LAB	lab(50.35, 25.91, -62.84)
CIE-LCH	lch(50.35, 67.97, 292.41°)
OKLab	oklab(58.17% -0.0023 -0.1803)
OKLCH	oklch(58.17% 0.18 269.3)
XYZ	xyz(23.0766, 18.7175, 75.7805)
Luminance	0.1872 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FE4 #E4C651

analogous

#51B8E4 #516FE4 #7C51E4

triadic

#516FE4 #E4516F #6FE451

tetradic

#516FE4 #E451B8 #E4C651 #51E47C

square

#516FE4 #E451B8 #E4C651 #51E47C

split-complementary

#516FE4 #E47C51 #B8E451

monochromatic

#1935A2 #2146D7 #516FE4 #869BEC #BBC7F4

Accessibility & contrast

On white

4.43

#516FE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#516FE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516FE4

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FE4	#FFFFFF	#000000	##000000
##516FE4	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#287FE8

Deuteranopia (green-blind)

#0072E2

Tritanopia (blue-blind)

#008A9F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #516fe4;
/* rgb */ color: rgb(81, 111, 228);
/* oklch */ color: oklch(58.2% 0.180 269.3);

Tailwind

colors: {
  custom: {
    50: '#9097ed',
    500: '#516fe4',
    950: '#000000',
  },
}

SCSS

$custom: #516fe4;
$custom-light: #9097ed;
$custom-dark: #000000;

JSON

{
  "hex": "#516fe4",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 228
  },
  "hsl": {
    "h": 227.755,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.58166,
    "c": 0.18032,
    "h": 269.3
  },
  "luminance": 0.1872
}

Semantic roles & 50–950 ramp

primary

#516FE4

secondary

#E4D9AC

accent

#AD10D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516FE4

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

Preview Lab → · Contrast checker → · Palette generator →