#516AA5#516AA5

#516AA5 is a mid, moderate blue. Relative luminance 0.148; OKLCH L 53.1% C 0.098 H 265.8°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#516AA5
RGB	rgb(81, 106, 165)
HSL	hsl(222, 34%, 48%)
HSV	hsv(222, 51%, 65%)
CMYK	cmyk(50.9%, 35.8%, 0%, 35.3%)
CIE-LAB	lab(45.32, 7.89, -34.63)
CIE-LCH	lch(45.32, 35.52, 282.84°)
OKLab	oklab(53.13% -0.0072 -0.0976)
OKLCH	oklch(53.13% 0.098 265.8)
XYZ	xyz(15.3367, 14.7730, 37.6333)
Luminance	0.1477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516AA5 #A58C51

analogous

#5194A5 #516AA5 #6251A5

triadic

#516AA5 #A5516A #6AA551

tetradic

#516AA5 #A55194 #A58C51 #51A562

square

#516AA5 #A55194 #A58C51 #51A562

split-complementary

#516AA5 #A56251 #94A551

monochromatic

#293553 #3D507C #516AA5 #778CBC #A0AED0

Accessibility & contrast

On white

5.31

#516AA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#516AA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516AA5

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516AA5	#FFFFFF	#000000	##FFFFFF
##516AA5	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)

#536FA7

Deuteranopia (green-blind)

#4A68A4

Tritanopia (blue-blind)

#2C7780

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #516aa5;
/* rgb */ color: rgb(81, 106, 165);
/* oklch */ color: oklch(53.1% 0.098 265.8);

Tailwind

colors: {
  custom: {
    50: '#8794c0',
    500: '#516aa5',
    950: '#000000',
  },
}

SCSS

$custom: #516aa5;
$custom-light: #8794c0;
$custom-dark: #000000;

JSON

{
  "hex": "#516aa5",
  "rgb": {
    "r": 81,
    "g": 106,
    "b": 165
  },
  "hsl": {
    "h": 222.143,
    "s": 34.146,
    "l": 48.235
  },
  "oklch": {
    "l": 0.53127,
    "c": 0.09791,
    "h": 265.8
  },
  "luminance": 0.14774
}

Semantic roles & 50–950 ramp

primary

#516AA5

secondary

#BDB194

accent

#AA5ECA

background

#F8F9FB

surface

#F0F1F7

border

#CBCBD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516AA5

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

Preview Lab → · Contrast checker → · Palette generator →