#516D99#516D99

#516D99 is a mid, moderate blue. Relative luminance 0.150; OKLCH L 53.2% C 0.077 H 259.2°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#516D99
RGB	rgb(81, 109, 153)
HSL	hsl(217, 31%, 46%)
HSV	hsv(217, 47%, 60%)
CMYK	cmyk(47.1%, 28.8%, 0%, 40%)
CIE-LAB	lab(45.61, 2.26, -27.09)
CIE-LCH	lch(45.61, 27.18, 274.77°)
OKLab	oklab(53.17% -0.0144 -0.0758)
OKLCH	oklch(53.17% 0.077 259.2)
XYZ	xyz(14.6099, 14.9856, 32.2535)
Luminance	0.1499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516D99 #997D51

analogous

#519199 #516D99 #595199

triadic

#516D99 #99516D #6D9951

tetradic

#516D99 #995191 #997D51 #519959

square

#516D99 #995191 #997D51 #519959

split-complementary

#516D99 #995951 #919951

monochromatic

#273449 #3C5071 #516D99 #738CB5 #9BADCA

Accessibility & contrast

On white

5.25

#516D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#516D99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516D99

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516D99	#FFFFFF	#000000	##FFFFFF
##516D99	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C709B

Deuteranopia (green-blind)

#546998

Tritanopia (blue-blind)

#34777C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #516d99;
/* rgb */ color: rgb(81, 109, 153);
/* oklch */ color: oklch(53.2% 0.077 259.2);

Tailwind

colors: {
  custom: {
    50: '#8696b7',
    500: '#516d99',
    950: '#000000',
  },
}

SCSS

$custom: #516d99;
$custom-light: #8696b7;
$custom-dark: #000000;

JSON

{
  "hex": "#516d99",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 153
  },
  "hsl": {
    "h": 216.667,
    "s": 30.769,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53166,
    "c": 0.07715,
    "h": 259.2
  },
  "luminance": 0.14987
}

Semantic roles & 50–950 ramp

primary

#516D99

secondary

#B7A78F

accent

#9F61C7

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0B0D11

muted

#7C7E80

Preview Lab

Preview with #516D99

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

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