#516BB4#516BB4

#516BB4 is a mid, moderate blue. Relative luminance 0.156; OKLCH L 54.2% C 0.118 H 267.6°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#516BB4
RGB	rgb(81, 107, 180)
HSL	hsl(224, 40%, 51%)
HSV	hsv(224, 55%, 71%)
CMYK	cmyk(55%, 40.6%, 0%, 29.4%)
CIE-LAB	lab(46.39, 12.16, -41.72)
CIE-LCH	lch(46.39, 43.46, 286.25°)
OKLab	oklab(54.21% -0.005 -0.1183)
OKLCH	oklch(54.21% 0.118 267.6)
XYZ	xyz(16.8865, 15.5588, 45.2845)
Luminance	0.1556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BB4 #B49A51

analogous

#519CB4 #516BB4 #6851B4

triadic

#516BB4 #B4516B #6BB451

tetradic

#516BB4 #B4519C #B49A51 #51B468

square

#516BB4 #B4519C #B49A51 #51B468

split-complementary

#516BB4 #B46851 #9CB451

monochromatic

#2A3861 #3C518C #516BB4 #7C8FC6 #A7B4D9

Accessibility & contrast

On white

5.11

#516BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#516BB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BB4

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BB4	#FFFFFF	#000000	##FFFFFF
##516BB4	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D73B7

Deuteranopia (green-blind)

#416AB2

Tritanopia (blue-blind)

#1A7B87

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #516bb4;
/* rgb */ color: rgb(81, 107, 180);
/* oklch */ color: oklch(54.2% 0.118 267.6);

Tailwind

colors: {
  custom: {
    50: '#8995cb',
    500: '#516bb4',
    950: '#000000',
  },
}

SCSS

$custom: #516bb4;
$custom-light: #8995cb;
$custom-dark: #000000;

JSON

{
  "hex": "#516bb4",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 180
  },
  "hsl": {
    "h": 224.242,
    "s": 39.759,
    "l": 51.176
  },
  "oklch": {
    "l": 0.54209,
    "c": 0.11843,
    "h": 267.6
  },
  "luminance": 0.1556
}

Semantic roles & 50–950 ramp

primary

#516BB4

secondary

#C6BB9B

accent

#B058D0

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516BB4

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

Preview Lab → · Contrast checker → · Palette generator →