#516FA5#516FA5

#516FA5 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.2% C 0.092 H 261.6°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#516FA5
RGB	rgb(81, 111, 165)
HSL	hsl(219, 34%, 48%)
HSV	hsv(219, 51%, 65%)
CMYK	cmyk(50.9%, 32.7%, 0%, 35.3%)
CIE-LAB	lab(46.76, 4.81, -32.38)
CIE-LCH	lch(46.76, 32.73, 278.45°)
OKLab	oklab(54.24% -0.0134 -0.0911)
OKLCH	oklch(54.24% 0.092 261.6)
XYZ	xyz(15.8670, 15.8337, 37.8101)
Luminance	0.1583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FA5 #A58751

analogous

#5199A5 #516FA5 #5D51A5

triadic

#516FA5 #A5516F #6FA551

tetradic

#516FA5 #A55199 #A58751 #51A55D

square

#516FA5 #A55199 #A58751 #51A55D

split-complementary

#516FA5 #A55D51 #99A551

monochromatic

#293853 #3D537C #516FA5 #7790BC #A0B1D0

Accessibility & contrast

On white

5.04

#516FA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#516FA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516FA5

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FA5	#FFFFFF	#000000	##FFFFFF
##516FA5	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A73A7

Deuteranopia (green-blind)

#516BA4

Tritanopia (blue-blind)

#2B7B82

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #516fa5;
/* rgb */ color: rgb(81, 111, 165);
/* oklch */ color: oklch(54.2% 0.092 261.6);

Tailwind

colors: {
  custom: {
    50: '#8798c0',
    500: '#516fa5',
    950: '#000000',
  },
}

SCSS

$custom: #516fa5;
$custom-light: #8798c0;
$custom-dark: #000000;

JSON

{
  "hex": "#516fa5",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 165
  },
  "hsl": {
    "h": 218.571,
    "s": 34.146,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54241,
    "c": 0.09205,
    "h": 261.6
  },
  "luminance": 0.15835
}

Semantic roles & 50–950 ramp

primary

#516FA5

secondary

#BDAF94

accent

#A35ECA

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516FA5

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

Preview Lab → · Contrast checker → · Palette generator →