#516FB2#516FB2

#516FB2 is a mid, moderate blue. Relative luminance 0.163; OKLCH L 55.0% C 0.111 H 264.8°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#516FB2
RGB	rgb(81, 111, 178)
HSL	hsl(221, 39%, 51%)
HSV	hsv(221, 54%, 70%)
CMYK	cmyk(54.5%, 37.6%, 0%, 30.2%)
CIE-LAB	lab(47.41, 9.02, -38.95)
CIE-LCH	lch(47.41, 39.98, 283.04°)
OKLab	oklab(54.96% -0.0101 -0.1102)
OKLCH	oklch(54.96% 0.111 264.8)
XYZ	xyz(17.1110, 16.3313, 44.3614)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FB2 #B29451

analogous

#519FB2 #516FB2 #6351B2

triadic

#516FB2 #B2516F #6FB251

tetradic

#516FB2 #B2519F #B29451 #51B263

square

#516FB2 #B2519F #B29451 #51B263

split-complementary

#516FB2 #B26351 #9FB251

monochromatic

#2A3A5F #3D5489 #516FB2 #7B92C5 #A6B5D8

Accessibility & contrast

On white

4.92

#516FB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#516FB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516FB2

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FB2	#FFFFFF	#000000	##FFFFFF
##516FB2	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5475B5

Deuteranopia (green-blind)

#486CB1

Tritanopia (blue-blind)

#1C7E88

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516fb2;
/* rgb */ color: rgb(81, 111, 178);
/* oklch */ color: oklch(55.0% 0.111 264.8);

Tailwind

colors: {
  custom: {
    50: '#8898c9',
    500: '#516fb2',
    950: '#000000',
  },
}

SCSS

$custom: #516fb2;
$custom-light: #8898c9;
$custom-dark: #000000;

JSON

{
  "hex": "#516fb2",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 178
  },
  "hsl": {
    "h": 221.443,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.54959,
    "c": 0.11064,
    "h": 264.8
  },
  "luminance": 0.16333
}

Semantic roles & 50–950 ramp

primary

#516FB2

secondary

#C5B89A

accent

#AA59CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516FB2

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

Preview Lab → · Contrast checker → · Palette generator →