#516FB6#516FB6

#516FB6 is a mid, moderate blue. Relative luminance 0.165; OKLCH L 55.2% C 0.116 H 265.5°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#516FB6
RGB	rgb(81, 111, 182)
HSL	hsl(222, 41%, 52%)
HSV	hsv(222, 55%, 71%)
CMYK	cmyk(55.5%, 39%, 0%, 28.6%)
CIE-LAB	lab(47.62, 10.34, -40.94)
CIE-LCH	lch(47.62, 42.22, 284.17°)
OKLab	oklab(55.19% -0.0092 -0.116)
OKLCH	oklch(55.19% 0.116 265.5)
XYZ	xyz(17.5184, 16.4943, 46.5075)
Luminance	0.1650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FB6 #B69851

analogous

#51A2B6 #516FB6 #6651B6

triadic

#516FB6 #B6516F #6FB651

tetradic

#516FB6 #B651A2 #B69851 #51B666

square

#516FB6 #B651A2 #B69851 #51B666

split-complementary

#516FB6 #B66651 #A2B651

monochromatic

#2A3B63 #3C548E #516FB6 #7C93C8 #A7B6DA

Accessibility & contrast

On white

4.88

#516FB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#516FB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516FB6

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FB6	#FFFFFF	#000000	##FFFFFF
##516FB6	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5276B9

Deuteranopia (green-blind)

#466DB4

Tritanopia (blue-blind)

#157F8A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516fb6;
/* rgb */ color: rgb(81, 111, 182);
/* oklch */ color: oklch(55.2% 0.116 265.5);

Tailwind

colors: {
  custom: {
    50: '#8998cc',
    500: '#516fb6',
    950: '#000000',
  },
}

SCSS

$custom: #516fb6;
$custom-light: #8998cc;
$custom-dark: #000000;

JSON

{
  "hex": "#516fb6",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 182
  },
  "hsl": {
    "h": 222.178,
    "s": 40.891,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5519,
    "c": 0.11636,
    "h": 265.5
  },
  "luminance": 0.16496
}

Semantic roles & 50–950 ramp

primary

#516FB6

secondary

#C8BA9B

accent

#AD57D1

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516FB6

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

Preview Lab → · Contrast checker → · Palette generator →