#516EC4#516EC4

#516EC4 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.8% C 0.137 H 267.8°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#516EC4
RGB	rgb(81, 110, 196)
HSL	hsl(225, 49%, 54%)
HSV	hsv(225, 59%, 77%)
CMYK	cmyk(58.7%, 43.9%, 0%, 23.1%)
CIE-LAB	lab(48.12, 15.63, -48.23)
CIE-LCH	lch(48.12, 50.70, 287.96°)
OKLab	oklab(55.83% -0.0053 -0.1374)
OKLCH	oklch(55.83% 0.137 267.8)
XYZ	xyz(18.9297, 16.8852, 54.4755)
Luminance	0.1689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EC4 #C4A751

analogous

#51A7C4 #516EC4 #6E51C4

triadic

#516EC4 #C4516E #6EC451

tetradic

#516EC4 #C451A7 #C4A751 #51C46E

square

#516EC4 #C451A7 #C4A751 #51C46E

split-complementary

#516EC4 #C46E51 #A7C451

monochromatic

#273A73 #3752A1 #516EC4 #7F94D3 #ACBAE3

Accessibility & contrast

On white

4.80

#516EC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#516EC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516EC4

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EC4	#FFFFFF	#000000	##FFFFFF
##516EC4	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4778C7

Deuteranopia (green-blind)

#376DC2

Tritanopia (blue-blind)

#00818F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516ec4;
/* rgb */ color: rgb(81, 110, 196);
/* oklch */ color: oklch(55.8% 0.137 267.8);

Tailwind

colors: {
  custom: {
    50: '#8b97d6',
    500: '#516ec4',
    950: '#000000',
  },
}

SCSS

$custom: #516ec4;
$custom-light: #8b97d6;
$custom-dark: #000000;

JSON

{
  "hex": "#516ec4",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 196
  },
  "hsl": {
    "h": 224.87,
    "s": 49.356,
    "l": 54.314
  },
  "oklch": {
    "l": 0.55826,
    "c": 0.13748,
    "h": 267.8
  },
  "luminance": 0.16887
}

Semantic roles & 50–950 ramp

primary

#516EC4

secondary

#D1C4A0

accent

#B64FD9

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #516EC4

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

Preview Lab → · Contrast checker → · Palette generator →