#516BB6#516BB6

#516BB6 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.3% C 0.121 H 267.8°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#516BB6
RGB	rgb(81, 107, 182)
HSL	hsl(225, 41%, 52%)
HSV	hsv(225, 55%, 71%)
CMYK	cmyk(55.5%, 41.2%, 0%, 28.6%)
CIE-LAB	lab(46.50, 12.82, -42.71)
CIE-LCH	lch(46.50, 44.59, 286.71°)
OKLab	oklab(54.33% -0.0046 -0.1212)
OKLCH	oklch(54.33% 0.121 267.8)
XYZ	xyz(17.0917, 15.6408, 46.3652)
Luminance	0.1564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BB6 #B69C51

analogous

#519EB6 #516BB6 #6A51B6

triadic

#516BB6 #B6516B #6BB651

tetradic

#516BB6 #B6519E #B69C51 #51B66A

square

#516BB6 #B6519E #B69C51 #51B66A

split-complementary

#516BB6 #B66A51 #9EB651

monochromatic

#2A3863 #3C518E #516BB6 #7C90C8 #A7B4DA

Accessibility & contrast

On white

5.09

#516BB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#516BB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BB6

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BB6	#FFFFFF	#000000	##FFFFFF
##516BB6	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C73B9

Deuteranopia (green-blind)

#3F6AB4

Tritanopia (blue-blind)

#177B87

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #516bb6;
/* rgb */ color: rgb(81, 107, 182);
/* oklch */ color: oklch(54.3% 0.121 267.8);

Tailwind

colors: {
  custom: {
    50: '#8995cc',
    500: '#516bb6',
    950: '#000000',
  },
}

SCSS

$custom: #516bb6;
$custom-light: #8995cc;
$custom-dark: #000000;

JSON

{
  "hex": "#516bb6",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 182
  },
  "hsl": {
    "h": 224.554,
    "s": 40.891,
    "l": 51.569
  },
  "oklch": {
    "l": 0.54329,
    "c": 0.12131,
    "h": 267.8
  },
  "luminance": 0.15642
}

Semantic roles & 50–950 ramp

primary

#516BB6

secondary

#C8BC9B

accent

#B157D1

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516BB6

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

Preview Lab → · Contrast checker → · Palette generator →