#516BD8#516BD8

#516BD8 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.5% C 0.169 H 270.1°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#516BD8
RGB	rgb(81, 107, 216)
HSL	hsl(228, 63%, 58%)
HSV	hsv(228, 63%, 85%)
CMYK	cmyk(62.5%, 50.5%, 0%, 15.3%)
CIE-LAB	lab(48.54, 24.29, -58.98)
CIE-LCH	lch(48.54, 63.79, 292.39°)
OKLab	oklab(56.54% 0.0004 -0.169)
OKLCH	oklch(56.54% 0.169 270.1)
XYZ	xyz(21.0415, 17.2208, 67.1675)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BD8 #D8BE51

analogous

#51AFD8 #516BD8 #7A51D8

triadic

#516BD8 #D8516B #6BD851

tetradic

#516BD8 #D851AF #D8BE51 #51D87A

square

#516BD8 #D851AF #D8BE51 #51D87A

split-complementary

#516BD8 #D87A51 #AFD851

monochromatic

#20358F #2B48C1 #516BD8 #8396E3 #B5C0EE

Accessibility & contrast

On white

4.72

#516BD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#516BD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BD8

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BD8	#FFFFFF	#000000	##FFFFFF
##516BD8	1.00	4.72	4.44	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D7ADC

Deuteranopia (green-blind)

#016ED6

Tritanopia (blue-blind)

#008497

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #516bd8;
/* rgb */ color: rgb(81, 107, 216);
/* oklch */ color: oklch(56.5% 0.169 270.1);

Tailwind

colors: {
  custom: {
    50: '#8e95e5',
    500: '#516bd8',
    950: '#000000',
  },
}

SCSS

$custom: #516bd8;
$custom-light: #8e95e5;
$custom-dark: #000000;

JSON

{
  "hex": "#516bd8",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 216
  },
  "hsl": {
    "h": 228.444,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.56541,
    "c": 0.16903,
    "h": 270.1
  },
  "luminance": 0.17223
}

Semantic roles & 50–950 ramp

primary

#516BD8

secondary

#DDD3A8

accent

#C741E6

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #516BD8

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

Preview Lab → · Contrast checker → · Palette generator →