#516FD7#516FD7

#516FD7 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.3% C 0.163 H 268.7°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#516FD7
RGB	rgb(81, 111, 215)
HSL	hsl(227, 63%, 58%)
HSV	hsv(227, 62%, 84%)
CMYK	cmyk(62.3%, 48.4%, 0%, 15.7%)
CIE-LAB	lab(49.52, 21.46, -56.83)
CIE-LCH	lch(49.52, 60.75, 290.69°)
OKLab	oklab(57.27% -0.0036 -0.1626)
OKLCH	oklch(57.27% 0.163 268.7)
XYZ	xyz(21.3394, 18.0226, 66.6310)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FD7 #D7B951

analogous

#51B2D7 #516FD7 #7651D7

triadic

#516FD7 #D7516F #6FD751

tetradic

#516FD7 #D751B2 #D7B951 #51D776

square

#516FD7 #D751B2 #D7B951 #51D776

split-complementary

#516FD7 #D77651 #B2D751

monochromatic

#20398D #2C4DBF #516FD7 #8398E2 #B5C1EE

Accessibility & contrast

On white

4.56

#516FD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#516FD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516FD7

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FD7	#FFFFFF	#000000	##000000
##516FD7	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#397CDB

Deuteranopia (green-blind)

#1D70D5

Tritanopia (blue-blind)

#008799

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #516fd7;
/* rgb */ color: rgb(81, 111, 215);
/* oklch */ color: oklch(57.3% 0.163 268.7);

Tailwind

colors: {
  custom: {
    50: '#8e97e4',
    500: '#516fd7',
    950: '#000000',
  },
}

SCSS

$custom: #516fd7;
$custom-light: #8e97e4;
$custom-dark: #000000;

JSON

{
  "hex": "#516fd7",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 215
  },
  "hsl": {
    "h": 226.567,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.57269,
    "c": 0.16267,
    "h": 268.7
  },
  "luminance": 0.18025
}

Semantic roles & 50–950 ramp

primary

#516FD7

secondary

#DDD1A7

accent

#C142E6

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #516FD7

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

Preview Lab → · Contrast checker → · Palette generator →