#516FB7#516FB7

#516FB7 is a mid, moderate blue. Relative luminance 0.165; OKLCH L 55.2% C 0.118 H 265.6°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#516FB7
RGB	rgb(81, 111, 183)
HSL	hsl(222, 41%, 52%)
HSV	hsv(222, 56%, 72%)
CMYK	cmyk(55.7%, 39.3%, 0%, 28.2%)
CIE-LAB	lab(47.67, 10.67, -41.43)
CIE-LCH	lch(47.67, 42.78, 284.44°)
OKLab	oklab(55.25% -0.009 -0.1174)
OKLCH	oklch(55.25% 0.118 265.6)
XYZ	xyz(17.6221, 16.5358, 47.0537)
Luminance	0.1654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FB7 #B79951

analogous

#51A2B7 #516FB7 #6651B7

triadic

#516FB7 #B7516F #6FB751

tetradic

#516FB7 #B751A2 #B79951 #51B766

square

#516FB7 #B751A2 #B79951 #51B766

split-complementary

#516FB7 #B76651 #A2B751

monochromatic

#293B64 #3B548F #516FB7 #7C93C9 #A8B7DB

Accessibility & contrast

On white

4.88

#516FB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#516FB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516FB7

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FB7	#FFFFFF	#000000	##FFFFFF
##516FB7	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5176BA

Deuteranopia (green-blind)

#456DB5

Tritanopia (blue-blind)

#137F8A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516fb7;
/* rgb */ color: rgb(81, 111, 183);
/* oklch */ color: oklch(55.2% 0.118 265.6);

Tailwind

colors: {
  custom: {
    50: '#8998cd',
    500: '#516fb7',
    950: '#000000',
  },
}

SCSS

$custom: #516fb7;
$custom-light: #8998cd;
$custom-dark: #000000;

JSON

{
  "hex": "#516fb7",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 183
  },
  "hsl": {
    "h": 222.353,
    "s": 41.463,
    "l": 51.765
  },
  "oklch": {
    "l": 0.55249,
    "c": 0.11779,
    "h": 265.6
  },
  "luminance": 0.16537
}

Semantic roles & 50–950 ramp

primary

#516FB7

secondary

#C8BB9C

accent

#AD57D1

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516FB7

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

Preview Lab → · Contrast checker → · Palette generator →