#516EA1#516EA1

#516EA1 is a mid, moderate blue. Relative luminance 0.155; OKLCH L 53.8% C 0.087 H 261.2°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#516EA1
RGB	rgb(81, 110, 161)
HSL	hsl(218, 33%, 47%)
HSV	hsv(218, 50%, 63%)
CMYK	cmyk(49.7%, 31.7%, 0%, 36.9%)
CIE-LAB	lab(46.28, 4.15, -30.78)
CIE-LCH	lch(46.28, 31.06, 277.68°)
OKLab	oklab(53.8% -0.0133 -0.0864)
OKLCH	oklch(53.8% 0.087 261.2)
XYZ	xyz(15.4002, 15.4734, 35.8865)
Luminance	0.1547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EA1 #A18451

analogous

#5196A1 #516EA1 #5C51A1

triadic

#516EA1 #A1516E #6EA151

tetradic

#516EA1 #A15196 #A18451 #51A15C

square

#516EA1 #A15196 #A18451 #51A15C

split-complementary

#516EA1 #A15C51 #96A151

monochromatic

#283650 #3D5278 #516EA1 #758EBA #9EB0CE

Accessibility & contrast

On white

5.13

#516EA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#516EA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516EA1

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EA1	#FFFFFF	#000000	##FFFFFF
##516EA1	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B72A3

Deuteranopia (green-blind)

#516AA0

Tritanopia (blue-blind)

#2E7980

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #516ea1;
/* rgb */ color: rgb(81, 110, 161);
/* oklch */ color: oklch(53.8% 0.087 261.2);

Tailwind

colors: {
  custom: {
    50: '#8697bd',
    500: '#516ea1',
    950: '#000000',
  },
}

SCSS

$custom: #516ea1;
$custom-light: #8697bd;
$custom-dark: #000000;

JSON

{
  "hex": "#516ea1",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 161
  },
  "hsl": {
    "h": 218.25,
    "s": 33.058,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53804,
    "c": 0.08745,
    "h": 261.2
  },
  "luminance": 0.15474
}

Semantic roles & 50–950 ramp

primary

#516EA1

secondary

#BBAD93

accent

#A35FC9

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0B0D12

muted

#7C7E81

Preview Lab

Preview with #516EA1

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

Preview Lab → · Contrast checker → · Palette generator →