#516CB2#516CB2

#516CB2 is a mid, moderate blue. Relative luminance 0.157; OKLCH L 54.3% C 0.114 H 266.7°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#516CB2
RGB	rgb(81, 108, 178)
HSL	hsl(223, 39%, 51%)
HSV	hsv(223, 54%, 70%)
CMYK	cmyk(54.5%, 39.3%, 0%, 30.2%)
CIE-LAB	lab(46.56, 10.88, -40.28)
CIE-LCH	lch(46.56, 41.73, 285.11°)
OKLab	oklab(54.31% -0.0066 -0.1141)
OKLCH	oklch(54.31% 0.114 266.7)
XYZ	xyz(16.7891, 15.6876, 44.2541)
Luminance	0.1569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CB2 #B29751

analogous

#519CB2 #516CB2 #6651B2

triadic

#516CB2 #B2516C #6CB251

tetradic

#516CB2 #B2519C #B29751 #51B266

square

#516CB2 #B2519C #B29751 #51B266

split-complementary

#516CB2 #B26651 #9CB251

monochromatic

#2A395F #3D5289 #516CB2 #7B90C5 #A6B4D8

Accessibility & contrast

On white

5.08

#516CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#516CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CB2

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CB2	#FFFFFF	#000000	##FFFFFF
##516CB2	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F73B5

Deuteranopia (green-blind)

#446AB0

Tritanopia (blue-blind)

#1D7B86

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #516cb2;
/* rgb */ color: rgb(81, 108, 178);
/* oklch */ color: oklch(54.3% 0.114 266.7);

Tailwind

colors: {
  custom: {
    50: '#8995c9',
    500: '#516cb2',
    950: '#000000',
  },
}

SCSS

$custom: #516cb2;
$custom-light: #8995c9;
$custom-dark: #000000;

JSON

{
  "hex": "#516cb2",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 178
  },
  "hsl": {
    "h": 223.299,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.54306,
    "c": 0.1143,
    "h": 266.7
  },
  "luminance": 0.15689
}

Semantic roles & 50–950 ramp

primary

#516CB2

secondary

#C5B99A

accent

#AE59CF

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516CB2

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

Preview Lab → · Contrast checker → · Palette generator →