#516EA3#516EA3

#516EA3 is a mid, moderate blue. Relative luminance 0.155; OKLCH L 53.9% C 0.090 H 261.9°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#516EA3
RGB	rgb(81, 110, 163)
HSL	hsl(219, 34%, 48%)
HSV	hsv(219, 50%, 64%)
CMYK	cmyk(50.3%, 32.5%, 0%, 36.1%)
CIE-LAB	lab(46.37, 4.79, -31.81)
CIE-LCH	lch(46.37, 32.16, 278.56°)
OKLab	oklab(53.91% -0.0128 -0.0894)
OKLCH	oklch(53.91% 0.09 261.9)
XYZ	xyz(15.5779, 15.5445, 36.8227)
Luminance	0.1555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EA3 #A38651

analogous

#5197A3 #516EA3 #5D51A3

triadic

#516EA3 #A3516E #6EA351

tetradic

#516EA3 #A35197 #A38651 #51A35D

square

#516EA3 #A35197 #A38651 #51A35D

split-complementary

#516EA3 #A35D51 #97A351

monochromatic

#283751 #3D527A #516EA3 #768FBB #9FB0CF

Accessibility & contrast

On white

5.11

#516EA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#516EA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516EA3

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EA3	#FFFFFF	#000000	##FFFFFF
##516EA3	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A72A5

Deuteranopia (green-blind)

#506AA2

Tritanopia (blue-blind)

#2D7981

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #516ea3;
/* rgb */ color: rgb(81, 110, 163);
/* oklch */ color: oklch(53.9% 0.090 261.9);

Tailwind

colors: {
  custom: {
    50: '#8797be',
    500: '#516ea3',
    950: '#000000',
  },
}

SCSS

$custom: #516ea3;
$custom-light: #8797be;
$custom-dark: #000000;

JSON

{
  "hex": "#516ea3",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 163
  },
  "hsl": {
    "h": 218.78,
    "s": 33.607,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5391,
    "c": 0.09032,
    "h": 261.9
  },
  "luminance": 0.15546
}

Semantic roles & 50–950 ramp

primary

#516EA3

secondary

#BCAE93

accent

#A45ECA

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516EA3

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

Preview Lab → · Contrast checker → · Palette generator →