#516BBA#516BBA

#516BBA is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.6% C 0.127 H 268.3°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#516BBA
RGB	rgb(81, 107, 186)
HSL	hsl(225, 43%, 52%)
HSV	hsv(225, 56%, 73%)
CMYK	cmyk(56.5%, 42.5%, 0%, 27.1%)
CIE-LAB	lab(46.72, 14.15, -44.68)
CIE-LCH	lch(46.72, 46.86, 287.58°)
OKLab	oklab(54.57% -0.0038 -0.127)
OKLCH	oklch(54.57% 0.127 268.3)
XYZ	xyz(17.5110, 15.8086, 48.5734)
Luminance	0.1581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BBA #BAA051

analogous

#519FBA #516BBA #6C51BA

triadic

#516BBA #BA516B #6BBA51

tetradic

#516BBA #BA519F #BAA051 #51BA6C

square

#516BBA #BA519F #BAA051 #51BA6C

split-complementary

#516BBA #BA6C51 #9FBA51

monochromatic

#293968 #3A5093 #516BBA #7D90CB #A9B6DD

Accessibility & contrast

On white

5.05

#516BBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#516BBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BBA

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BBA	#FFFFFF	#000000	##FFFFFF
##516BBA	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4974BD

Deuteranopia (green-blind)

#3C6AB8

Tritanopia (blue-blind)

#0E7C89

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #516bba;
/* rgb */ color: rgb(81, 107, 186);
/* oklch */ color: oklch(54.6% 0.127 268.3);

Tailwind

colors: {
  custom: {
    50: '#8a95cf',
    500: '#516bba',
    950: '#000000',
  },
}

SCSS

$custom: #516bba;
$custom-light: #8a95cf;
$custom-dark: #000000;

JSON

{
  "hex": "#516bba",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 186
  },
  "hsl": {
    "h": 225.143,
    "s": 43.21,
    "l": 52.353
  },
  "oklch": {
    "l": 0.54573,
    "c": 0.12705,
    "h": 268.3
  },
  "luminance": 0.1581
}

Semantic roles & 50–950 ramp

primary

#516BBA

secondary

#CABF9D

accent

#B455D3

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #516BBA

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

Preview Lab → · Contrast checker → · Palette generator →