#516DA9#516DA9

#516DA9 is a mid, moderate blue. Relative luminance 0.156; OKLCH L 54.0% C 0.100 H 264.3°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#516DA9
RGB	rgb(81, 109, 169)
HSL	hsl(221, 35%, 49%)
HSV	hsv(221, 52%, 66%)
CMYK	cmyk(52.1%, 35.5%, 0%, 33.7%)
CIE-LAB	lab(46.38, 7.32, -35.31)
CIE-LCH	lch(46.38, 36.07, 281.72°)
OKLab	oklab(54.01% -0.0099 -0.0996)
OKLCH	oklch(54.01% 0.1 264.3)
XYZ	xyz(16.0210, 15.5501, 39.6857)
Luminance	0.1555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DA9 #A98D51

analogous

#5199A9 #516DA9 #6151A9

triadic

#516DA9 #A9516D #6DA951

tetradic

#516DA9 #A95199 #A98D51 #51A961

square

#516DA9 #A95199 #A98D51 #51A961

split-complementary

#516DA9 #A96151 #99A951

monochromatic

#293856 #3D5280 #516DA9 #798FBF #A2B1D2

Accessibility & contrast

On white

5.11

#516DA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#516DA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516DA9

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DA9	#FFFFFF	#000000	##FFFFFF
##516DA9	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)

#5672AB

Deuteranopia (green-blind)

#4C6AA8

Tritanopia (blue-blind)

#277A83

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #516da9;
/* rgb */ color: rgb(81, 109, 169);
/* oklch */ color: oklch(54.0% 0.100 264.3);

Tailwind

colors: {
  custom: {
    50: '#8796c3',
    500: '#516da9',
    950: '#000000',
  },
}

SCSS

$custom: #516da9;
$custom-light: #8796c3;
$custom-dark: #000000;

JSON

{
  "hex": "#516da9",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 169
  },
  "hsl": {
    "h": 220.909,
    "s": 35.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54012,
    "c": 0.1001,
    "h": 264.3
  },
  "luminance": 0.15551
}

Semantic roles & 50–950 ramp

primary

#516DA9

secondary

#C0B296

accent

#A85DCB

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516DA9

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

Preview Lab → · Contrast checker → · Palette generator →