#516B99#516B99

#516B99 is a mid, moderate blue. Relative luminance 0.146; OKLCH L 52.7% C 0.079 H 261.4°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#516B99
RGB	rgb(81, 107, 153)
HSL	hsl(218, 31%, 46%)
HSV	hsv(218, 47%, 60%)
CMYK	cmyk(47.1%, 30.1%, 0%, 40%)
CIE-LAB	lab(45.03, 3.48, -28.00)
CIE-LCH	lch(45.03, 28.22, 277.08°)
OKLab	oklab(52.71% -0.0118 -0.0784)
OKLCH	oklch(52.71% 0.079 261.4)
XYZ	xyz(14.3989, 14.5637, 32.1832)
Luminance	0.1457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516B99 #997F51

analogous

#518F99 #516B99 #5B5199

triadic

#516B99 #99516B #6B9951

tetradic

#516B99 #99518F #997F51 #51995B

square

#516B99 #99518F #997F51 #51995B

split-complementary

#516B99 #995B51 #8F9951

monochromatic

#273349 #3C4F71 #516B99 #738AB5 #9BACCA

Accessibility & contrast

On white

5.37

#516B99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#516B99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516B99

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516B99	#FFFFFF	#000000	##FFFFFF
##516B99	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6E9B

Deuteranopia (green-blind)

#526798

Tritanopia (blue-blind)

#35757B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #516b99;
/* rgb */ color: rgb(81, 107, 153);
/* oklch */ color: oklch(52.7% 0.079 261.4);

Tailwind

colors: {
  custom: {
    50: '#8695b7',
    500: '#516b99',
    950: '#000000',
  },
}

SCSS

$custom: #516b99;
$custom-light: #8695b7;
$custom-dark: #000000;

JSON

{
  "hex": "#516b99",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 153
  },
  "hsl": {
    "h": 218.333,
    "s": 30.769,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52711,
    "c": 0.0793,
    "h": 261.4
  },
  "luminance": 0.14565
}

Semantic roles & 50–950 ramp

primary

#516B99

secondary

#B7A88F

accent

#A261C7

background

#F8F9FB

surface

#F0F1F6

border

#CBCBD0

text

#0B0D11

muted

#7C7E80

Preview Lab

Preview with #516B99

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

Preview Lab → · Contrast checker → · Palette generator →