#516C99#516C99

#516C99 is a mid, moderate blue. Relative luminance 0.148; OKLCH L 52.9% C 0.078 H 260.3°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#516C99
RGB	rgb(81, 108, 153)
HSL	hsl(218, 31%, 46%)
HSV	hsv(218, 47%, 60%)
CMYK	cmyk(47.1%, 29.4%, 0%, 40%)
CIE-LAB	lab(45.32, 2.87, -27.55)
CIE-LCH	lch(45.32, 27.69, 275.94°)
OKLab	oklab(52.94% -0.0131 -0.0771)
OKLCH	oklch(52.94% 0.078 260.3)
XYZ	xyz(14.5038, 14.7734, 32.2181)
Luminance	0.1477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516C99 #997E51

analogous

#519099 #516C99 #5A5199

triadic

#516C99 #99516C #6C9951

tetradic

#516C99 #995190 #997E51 #51995A

square

#516C99 #995190 #997E51 #51995A

split-complementary

#516C99 #995A51 #909951

monochromatic

#273449 #3C5071 #516C99 #738BB5 #9BACCA

Accessibility & contrast

On white

5.31

#516C99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#516C99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516C99

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516C99	#FFFFFF	#000000	##FFFFFF
##516C99	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B6F9B

Deuteranopia (green-blind)

#536898

Tritanopia (blue-blind)

#34767C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #516c99;
/* rgb */ color: rgb(81, 108, 153);
/* oklch */ color: oklch(52.9% 0.078 260.3);

Tailwind

colors: {
  custom: {
    50: '#8695b7',
    500: '#516c99',
    950: '#000000',
  },
}

SCSS

$custom: #516c99;
$custom-light: #8695b7;
$custom-dark: #000000;

JSON

{
  "hex": "#516c99",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 153
  },
  "hsl": {
    "h": 217.5,
    "s": 30.769,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52938,
    "c": 0.0782,
    "h": 260.3
  },
  "luminance": 0.14774
}

Semantic roles & 50–950 ramp

primary

#516C99

secondary

#B7A88F

accent

#A161C7

background

#F8F9FB

surface

#F0F1F6

border

#CBCBD0

text

#0B0D11

muted

#7C7E80

Preview Lab

Preview with #516C99

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

Preview Lab → · Contrast checker → · Palette generator →