#516BC4#516BC4

#516BC4 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.2% C 0.141 H 269.1°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#516BC4
RGB	rgb(81, 107, 196)
HSL	hsl(226, 49%, 54%)
HSV	hsv(226, 59%, 77%)
CMYK	cmyk(58.7%, 45.4%, 0%, 23.1%)
CIE-LAB	lab(47.30, 17.51, -49.53)
CIE-LCH	lch(47.30, 52.54, 289.46°)
OKLab	oklab(55.2% -0.0021 -0.1412)
OKLCH	oklch(55.2% 0.141 269.1)
XYZ	xyz(18.6115, 16.2488, 54.3694)
Luminance	0.1625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BC4 #C4AA51

analogous

#51A5C4 #516BC4 #7151C4

triadic

#516BC4 #C4516B #6BC451

tetradic

#516BC4 #C451A5 #C4AA51 #51C471

square

#516BC4 #C451A5 #C4AA51 #51C471

split-complementary

#516BC4 #C47151 #A5C451

monochromatic

#273873 #374FA1 #516BC4 #7F92D3 #ACB9E3

Accessibility & contrast

On white

4.94

#516BC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#516BC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BC4

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BC4	#FFFFFF	#000000	##FFFFFF
##516BC4	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4276C7

Deuteranopia (green-blind)

#316BC2

Tritanopia (blue-blind)

#007F8E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516bc4;
/* rgb */ color: rgb(81, 107, 196);
/* oklch */ color: oklch(55.2% 0.141 269.1);

Tailwind

colors: {
  custom: {
    50: '#8b95d6',
    500: '#516bc4',
    950: '#000000',
  },
}

SCSS

$custom: #516bc4;
$custom-light: #8b95d6;
$custom-dark: #000000;

JSON

{
  "hex": "#516bc4",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 196
  },
  "hsl": {
    "h": 226.435,
    "s": 49.356,
    "l": 54.314
  },
  "oklch": {
    "l": 0.55202,
    "c": 0.14126,
    "h": 269.1
  },
  "luminance": 0.1625
}

Semantic roles & 50–950 ramp

primary

#516BC4

secondary

#D1C6A0

accent

#BA4FD9

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #516BC4

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

Preview Lab → · Contrast checker → · Palette generator →