#516FBE#516FBE

#516FBE is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.7% C 0.128 H 266.6°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#516FBE
RGB	rgb(81, 111, 190)
HSL	hsl(223, 46%, 53%)
HSV	hsv(223, 57%, 75%)
CMYK	cmyk(57.4%, 41.6%, 0%, 25.5%)
CIE-LAB	lab(48.05, 13.00, -44.88)
CIE-LCH	lch(48.05, 46.72, 286.15°)
OKLab	oklab(55.67% -0.0075 -0.1275)
OKLCH	oklch(55.67% 0.128 266.6)
XYZ	xyz(18.3689, 16.8345, 50.9866)
Luminance	0.1684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FBE #BEA051

analogous

#51A6BE #516FBE #6951BE

triadic

#516FBE #BE516F #6FBE51

tetradic

#516FBE #BE51A6 #BEA051 #51BE69

square

#516FBE #BE51A6 #BEA051 #51BE69

split-complementary

#516FBE #BE6951 #A6BE51

monochromatic

#283B6C #395399 #516FBE #7E94CF #AAB9DF

Accessibility & contrast

On white

4.81

#516FBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#516FBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516FBE

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FBE	#FFFFFF	#000000	##FFFFFF
##516FBE	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D77C1

Deuteranopia (green-blind)

#3F6DBC

Tritanopia (blue-blind)

#00808D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516fbe;
/* rgb */ color: rgb(81, 111, 190);
/* oklch */ color: oklch(55.7% 0.128 266.6);

Tailwind

colors: {
  custom: {
    50: '#8a98d2',
    500: '#516fbe',
    950: '#000000',
  },
}

SCSS

$custom: #516fbe;
$custom-light: #8a98d2;
$custom-dark: #000000;

JSON

{
  "hex": "#516fbe",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 190
  },
  "hsl": {
    "h": 223.486,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.55667,
    "c": 0.12775,
    "h": 266.6
  },
  "luminance": 0.16836
}

Semantic roles & 50–950 ramp

primary

#516FBE

secondary

#CDC09E

accent

#B153D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #516FBE

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

Preview Lab → · Contrast checker → · Palette generator →