#516BD7#516BD7

#516BD7 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.5% C 0.168 H 270.1°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#516BD7
RGB	rgb(81, 107, 215)
HSL	hsl(228, 63%, 58%)
HSV	hsv(228, 62%, 84%)
CMYK	cmyk(62.3%, 50.2%, 0%, 15.7%)
CIE-LAB	lab(48.47, 23.95, -58.52)
CIE-LCH	lch(48.47, 63.23, 292.26°)
OKLab	oklab(56.47% 0.0003 -0.1677)
OKLCH	oklch(56.47% 0.168 270.1)
XYZ	xyz(20.9126, 17.1692, 66.4887)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BD7 #D7BD51

analogous

#51AED7 #516BD7 #7A51D7

triadic

#516BD7 #D7516B #6BD751

tetradic

#516BD7 #D751AE #D7BD51 #51D77A

square

#516BD7 #D751AE #D7BD51 #51D77A

split-complementary

#516BD7 #D77A51 #AED751

monochromatic

#20368D #2C48BF #516BD7 #8395E2 #B5C0EE

Accessibility & contrast

On white

4.74

#516BD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#516BD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BD7

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BD7	#FFFFFF	#000000	##FFFFFF
##516BD7	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F79DB

Deuteranopia (green-blind)

#066DD5

Tritanopia (blue-blind)

#008497

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #516bd7;
/* rgb */ color: rgb(81, 107, 215);
/* oklch */ color: oklch(56.5% 0.168 270.1);

Tailwind

colors: {
  custom: {
    50: '#8e95e4',
    500: '#516bd7',
    950: '#000000',
  },
}

SCSS

$custom: #516bd7;
$custom-light: #8e95e4;
$custom-dark: #000000;

JSON

{
  "hex": "#516bd7",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 215
  },
  "hsl": {
    "h": 228.358,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.56471,
    "c": 0.16766,
    "h": 270.1
  },
  "luminance": 0.17171
}

Semantic roles & 50–950 ramp

primary

#516BD7

secondary

#DDD2A7

accent

#C642E6

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #516BD7

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

Preview Lab → · Contrast checker → · Palette generator →