#516699#516699

#516699 is a mid, moderate blue. Relative luminance 0.136; OKLCH L 51.6% C 0.085 H 266.4°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#516699
RGB	rgb(81, 102, 153)
HSL	hsl(223, 31%, 46%)
HSV	hsv(223, 47%, 60%)
CMYK	cmyk(47.1%, 33.3%, 0%, 40%)
CIE-LAB	lab(43.58, 6.56, -30.26)
CIE-LCH	lch(43.58, 30.97, 282.23°)
OKLab	oklab(51.58% -0.0053 -0.085)
OKLCH	oklch(51.58% 0.085 266.4)
XYZ	xyz(13.8926, 13.5511, 32.0144)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516699 #998451

analogous

#518A99 #516699 #605199

triadic

#516699 #995166 #669951

tetradic

#516699 #99518A #998451 #519960

square

#516699 #99518A #998451 #519960

split-complementary

#516699 #996051 #8A9951

monochromatic

#273149 #3C4B71 #516699 #7386B5 #9BA8CA

Accessibility & contrast

On white

5.66

#516699 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#516699 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516699

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516699	#FFFFFF	#000000	##FFFFFF
##516699	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536A9B

Deuteranopia (green-blind)

#4C6498

Tritanopia (blue-blind)

#357178

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #516699;
/* rgb */ color: rgb(81, 102, 153);
/* oklch */ color: oklch(51.6% 0.085 266.4);

Tailwind

colors: {
  custom: {
    50: '#8691b7',
    500: '#516699',
    950: '#000000',
  },
}

SCSS

$custom: #516699;
$custom-light: #8691b7;
$custom-dark: #000000;

JSON

{
  "hex": "#516699",
  "rgb": {
    "r": 81,
    "g": 102,
    "b": 153
  },
  "hsl": {
    "h": 222.5,
    "s": 30.769,
    "l": 45.882
  },
  "oklch": {
    "l": 0.51583,
    "c": 0.08514,
    "h": 266.4
  },
  "luminance": 0.13552
}

Semantic roles & 50–950 ramp

primary

#516699

secondary

#B7AB8F

accent

#A961C7

background

#F8F8FB

surface

#F0F0F6

border

#CBCBD0

text

#0B0C11

muted

#7C7D80

Preview Lab

Preview with #516699

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

Preview Lab → · Contrast checker → · Palette generator →