#516FE7#516FE7

#516FE7 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.4% C 0.184 H 269.4°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#516FE7
RGB	rgb(81, 111, 231)
HSL	hsl(228, 76%, 61%)
HSV	hsv(228, 65%, 91%)
CMYK	cmyk(64.9%, 51.9%, 0%, 9.4%)
CIE-LAB	lab(50.55, 26.94, -64.20)
CIE-LCH	lch(50.55, 69.62, 292.76°)
OKLab	oklab(58.38% -0.002 -0.1843)
OKLCH	oklch(58.38% 0.184 269.4)
XYZ	xyz(23.4967, 18.8856, 77.9928)
Luminance	0.1889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FE7 #E7C951

analogous

#51BAE7 #516FE7 #7E51E7

triadic

#516FE7 #E7516F #6FE751

tetradic

#516FE7 #E751BA #E7C951 #51E77E

square

#516FE7 #E751BA #E7C951 #51E77E

split-complementary

#516FE7 #E77E51 #BAE751

monochromatic

#1734A7 #1E44DC #516FE7 #879CEE #BDC8F6

Accessibility & contrast

On white

4.40

#516FE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#516FE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516FE7

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FE7	#FFFFFF	#000000	##000000
##516FE7	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#227FEB

Deuteranopia (green-blind)

#0072E5

Tritanopia (blue-blind)

#008BA0

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #516fe7;
/* rgb */ color: rgb(81, 111, 231);
/* oklch */ color: oklch(58.4% 0.184 269.4);

Tailwind

colors: {
  custom: {
    50: '#9197ef',
    500: '#516fe7',
    950: '#000000',
  },
}

SCSS

$custom: #516fe7;
$custom-light: #9197ef;
$custom-dark: #000000;

JSON

{
  "hex": "#516fe7",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 231
  },
  "hsl": {
    "h": 228,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.58378,
    "c": 0.18434,
    "h": 269.4
  },
  "luminance": 0.18888
}

Semantic roles & 50–950 ramp

primary

#516FE7

secondary

#E6DBAE

accent

#AF0ED8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #516FE7

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

Preview Lab → · Contrast checker → · Palette generator →