#516CCC#516CCC

#516CCC is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.9% C 0.151 H 269.2°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#516CCC
RGB	rgb(81, 108, 204)
HSL	hsl(227, 55%, 56%)
HSV	hsv(227, 60%, 80%)
CMYK	cmyk(60.3%, 47.1%, 0%, 20%)
CIE-LAB	lab(48.05, 19.59, -52.93)
CIE-LCH	lch(48.05, 56.43, 290.31°)
OKLab	oklab(55.93% -0.002 -0.1512)
OKLCH	oklch(55.93% 0.151 269.2)
XYZ	xyz(19.6513, 16.8325, 59.3284)
Luminance	0.1683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CCC #CCB151

analogous

#51AACC #516CCC #7351CC

triadic

#516CCC #CC516C #6CCC51

tetradic

#516CCC #CC51AA #CCB151 #51CC73

square

#516CCC #CC51AA #CCB151 #51CC73

split-complementary

#516CCC #CC7351 #AACC51

monochromatic

#25387E #334EAD #516CCC #8094DA #B0BCE8

Accessibility & contrast

On white

4.81

#516CCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#516CCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CCC

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CCC	#FFFFFF	#000000	##FFFFFF
##516CCC	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D78D0

Deuteranopia (green-blind)

#286DCA

Tritanopia (blue-blind)

#008292

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516ccc;
/* rgb */ color: rgb(81, 108, 204);
/* oklch */ color: oklch(55.9% 0.151 269.2);

Tailwind

colors: {
  custom: {
    50: '#8c95dc',
    500: '#516ccc',
    950: '#000000',
  },
}

SCSS

$custom: #516ccc;
$custom-light: #8c95dc;
$custom-dark: #000000;

JSON

{
  "hex": "#516ccc",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 204
  },
  "hsl": {
    "h": 226.829,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.55928,
    "c": 0.15121,
    "h": 269.2
  },
  "luminance": 0.16834
}

Semantic roles & 50–950 ramp

primary

#516CCC

secondary

#D6CBA3

accent

#BD4ADE

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516CCC

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

Preview Lab → · Contrast checker → · Palette generator →