#516BCE#516BCE

#516BCE is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.9% C 0.155 H 269.7°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#516BCE
RGB	rgb(81, 107, 206)
HSL	hsl(228, 56%, 56%)
HSV	hsv(228, 61%, 81%)
CMYK	cmyk(60.7%, 48.1%, 0%, 19.2%)
CIE-LAB	lab(47.90, 20.89, -54.30)
CIE-LCH	lch(47.90, 58.18, 291.04°)
OKLab	oklab(55.86% -0.0007 -0.1552)
OKLCH	oklch(55.86% 0.155 269.7)
XYZ	xyz(19.7879, 16.7193, 60.5649)
Luminance	0.1672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BCE #CEB451

analogous

#51AACE #516BCE #7651CE

triadic

#516BCE #CE516B #6BCE51

tetradic

#516BCE #CE51AA #CEB451 #51CE76

square

#516BCE #CE51AA #CEB451 #51CE76

split-complementary

#516BCE #CE7651 #AACE51

monochromatic

#243780 #324CB0 #516BCE #8194DB #B1BCE9

Accessibility & contrast

On white

4.83

#516BCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#516BCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BCE

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BCE	#FFFFFF	#000000	##FFFFFF
##516BCE	1.00	4.83	4.34	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3978D2

Deuteranopia (green-blind)

#226CCC

Tritanopia (blue-blind)

#008293

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516bce;
/* rgb */ color: rgb(81, 107, 206);
/* oklch */ color: oklch(55.9% 0.155 269.7);

Tailwind

colors: {
  custom: {
    50: '#8d95dd',
    500: '#516bce',
    950: '#000000',
  },
}

SCSS

$custom: #516bce;
$custom-light: #8d95dd;
$custom-dark: #000000;

JSON

{
  "hex": "#516bce",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 206
  },
  "hsl": {
    "h": 227.52,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.55858,
    "c": 0.15525,
    "h": 269.7
  },
  "luminance": 0.16721
}

Semantic roles & 50–950 ramp

primary

#516BCE

secondary

#D7CCA4

accent

#C048DF

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516BCE

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

Preview Lab → · Contrast checker → · Palette generator →