#516DE3#516DE3

#516DE3 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.7% C 0.181 H 269.8°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#516DE3
RGB	rgb(81, 109, 227)
HSL	hsl(228, 72%, 60%)
HSV	hsv(228, 64%, 89%)
CMYK	cmyk(64.3%, 52%, 0%, 11%)
CIE-LAB	lab(49.77, 26.81, -63.21)
CIE-LCH	lch(49.77, 68.66, 292.98°)
OKLab	oklab(57.71% -0.0005 -0.1814)
OKLCH	oklch(57.71% 0.181 269.8)
XYZ	xyz(22.7224, 18.2306, 74.9796)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516DE3 #E3C751

analogous

#51B6E3 #516DE3 #7E51E3

triadic

#516DE3 #E3516D #6DE351

tetradic

#516DE3 #E351B6 #E3C751 #51E37E

square

#516DE3 #E351B6 #E3C751 #51E37E

split-complementary

#516DE3 #E37E51 #B6E351

monochromatic

#1A33A0 #2244D5 #516DE3 #8699EB #BAC5F4

Accessibility & contrast

On white

4.52

#516DE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#516DE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516DE3

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516DE3	#FFFFFF	#000000	##000000
##516DE3	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#227DE7

Deuteranopia (green-blind)

#0070E1

Tritanopia (blue-blind)

#00899E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #516de3;
/* rgb */ color: rgb(81, 109, 227);
/* oklch */ color: oklch(57.7% 0.181 269.8);

Tailwind

colors: {
  custom: {
    50: '#9096ed',
    500: '#516de3',
    950: '#000000',
  },
}

SCSS

$custom: #516de3;
$custom-light: #9096ed;
$custom-dark: #000000;

JSON

{
  "hex": "#516de3",
  "rgb": {
    "r": 81,
    "g": 109,
    "b": 227
  },
  "hsl": {
    "h": 228.493,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.57706,
    "c": 0.18144,
    "h": 269.8
  },
  "luminance": 0.18233
}

Semantic roles & 50–950 ramp

primary

#516DE3

secondary

#E4D9AC

accent

#AF11D4

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516DE3

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

Preview Lab → · Contrast checker → · Palette generator →