#516CD7#516CD7

#516CD7 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.7% C 0.166 H 269.8°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#516CD7
RGB	rgb(81, 108, 215)
HSL	hsl(228, 63%, 58%)
HSV	hsv(228, 62%, 84%)
CMYK	cmyk(62.3%, 49.8%, 0%, 15.7%)
CIE-LAB	lab(48.73, 23.33, -58.10)
CIE-LCH	lch(48.73, 62.61, 291.88°)
OKLab	oklab(56.67% -0.0007 -0.1664)
OKLCH	oklch(56.67% 0.166 269.8)
XYZ	xyz(21.0175, 17.3789, 66.5237)
Luminance	0.1738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CD7 #D7BC51

analogous

#51AFD7 #516CD7 #7951D7

triadic

#516CD7 #D7516C #6CD751

tetradic

#516CD7 #D751AF #D7BC51 #51D779

square

#516CD7 #D751AF #D7BC51 #51D779

split-complementary

#516CD7 #D77951 #AFD751

monochromatic

#20368D #2C4ABF #516CD7 #8396E2 #B5C0EE

Accessibility & contrast

On white

4.69

#516CD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#516CD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CD7

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CD7	#FFFFFF	#000000	##FFFFFF
##516CD7	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#317ADB

Deuteranopia (green-blind)

#0E6ED5

Tritanopia (blue-blind)

#008597

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #516cd7;
/* rgb */ color: rgb(81, 108, 215);
/* oklch */ color: oklch(56.7% 0.166 269.8);

Tailwind

colors: {
  custom: {
    50: '#8e95e4',
    500: '#516cd7',
    950: '#000000',
  },
}

SCSS

$custom: #516cd7;
$custom-light: #8e95e4;
$custom-dark: #000000;

JSON

{
  "hex": "#516cd7",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 215
  },
  "hsl": {
    "h": 227.91,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.5667,
    "c": 0.16641,
    "h": 269.8
  },
  "luminance": 0.17381
}

Semantic roles & 50–950 ramp

primary

#516CD7

secondary

#DDD2A7

accent

#C542E6

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #516CD7

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

Preview Lab → · Contrast checker → · Palette generator →