#516CB9#516CB9

#516CB9 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 54.7% C 0.124 H 267.6°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#516CB9
RGB	rgb(81, 108, 185)
HSL	hsl(224, 43%, 52%)
HSV	hsv(224, 56%, 73%)
CMYK	cmyk(56.2%, 41.6%, 0%, 27.5%)
CIE-LAB	lab(46.94, 13.20, -43.75)
CIE-LCH	lch(46.94, 45.69, 286.79°)
OKLab	oklab(54.72% -0.0051 -0.1242)
OKLCH	oklch(54.72% 0.124 267.6)
XYZ	xyz(17.5099, 15.9759, 48.0505)
Luminance	0.1598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CB9 #B99E51

analogous

#51A0B9 #516CB9 #6A51B9

triadic

#516CB9 #B9516C #6CB951

tetradic

#516CB9 #B951A0 #B99E51 #51B96A

square

#516CB9 #B951A0 #B99E51 #51B96A

split-complementary

#516CB9 #B96A51 #A0B951

monochromatic

#293966 #3B5192 #516CB9 #7D91CB #A8B6DC

Accessibility & contrast

On white

5.01

#516CB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#516CB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CB9

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CB9	#FFFFFF	#000000	##FFFFFF
##516CB9	1.00	5.01	4.20	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B74BC

Deuteranopia (green-blind)

#3E6BB7

Tritanopia (blue-blind)

#107D89

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #516cb9;
/* rgb */ color: rgb(81, 108, 185);
/* oklch */ color: oklch(54.7% 0.124 267.6);

Tailwind

colors: {
  custom: {
    50: '#8995ce',
    500: '#516cb9',
    950: '#000000',
  },
}

SCSS

$custom: #516cb9;
$custom-light: #8995ce;
$custom-dark: #000000;

JSON

{
  "hex": "#516cb9",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 185
  },
  "hsl": {
    "h": 224.423,
    "s": 42.623,
    "l": 52.157
  },
  "oklch": {
    "l": 0.54724,
    "c": 0.12436,
    "h": 267.6
  },
  "luminance": 0.15977
}

Semantic roles & 50–950 ramp

primary

#516CB9

secondary

#CABE9C

accent

#B255D2

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #516CB9

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

Preview Lab → · Contrast checker → · Palette generator →