#516EA4#516EA4

#516EA4 is a mid, moderate blue. Relative luminance 0.156; OKLCH L 54.0% C 0.092 H 262.2°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#516EA4
RGB	rgb(81, 110, 164)
HSL	hsl(219, 34%, 48%)
HSV	hsv(219, 51%, 64%)
CMYK	cmyk(50.6%, 32.9%, 0%, 35.7%)
CIE-LAB	lab(46.42, 5.11, -32.32)
CIE-LCH	lch(46.42, 32.72, 278.98°)
OKLab	oklab(53.96% -0.0125 -0.0909)
OKLCH	oklch(53.96% 0.092 262.2)
XYZ	xyz(15.6679, 15.5805, 37.2965)
Luminance	0.1558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EA4 #A48751

analogous

#5197A4 #516EA4 #5D51A4

triadic

#516EA4 #A4516E #6EA451

tetradic

#516EA4 #A45197 #A48751 #51A45D

square

#516EA4 #A45197 #A48751 #51A45D

split-complementary

#516EA4 #A45D51 #97A451

monochromatic

#293752 #3D537B #516EA4 #778FBC #A0B0D0

Accessibility & contrast

On white

5.10

#516EA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#516EA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516EA4

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EA4	#FFFFFF	#000000	##FFFFFF
##516EA4	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5972A6

Deuteranopia (green-blind)

#506AA3

Tritanopia (blue-blind)

#2C7A81

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #516ea4;
/* rgb */ color: rgb(81, 110, 164);
/* oklch */ color: oklch(54.0% 0.092 262.2);

Tailwind

colors: {
  custom: {
    50: '#8797bf',
    500: '#516ea4',
    950: '#000000',
  },
}

SCSS

$custom: #516ea4;
$custom-light: #8797bf;
$custom-dark: #000000;

JSON

{
  "hex": "#516ea4",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 164
  },
  "hsl": {
    "h": 219.036,
    "s": 33.878,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53963,
    "c": 0.09174,
    "h": 262.2
  },
  "luminance": 0.15582
}

Semantic roles & 50–950 ramp

primary

#516EA4

secondary

#BDAF94

accent

#A45ECA

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #516EA4

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

Preview Lab → · Contrast checker → · Palette generator →