#516CE3#516CE3

#516CE3 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.5% C 0.183 H 270.1°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#516CE3
RGB	rgb(81, 108, 227)
HSL	hsl(229, 72%, 60%)
HSV	hsv(229, 64%, 89%)
CMYK	cmyk(64.3%, 52.4%, 0%, 11%)
CIE-LAB	lab(49.52, 27.43, -63.62)
CIE-LCH	lch(49.52, 69.28, 293.32°)
OKLab	oklab(57.51% 0.0004 -0.1827)
OKLCH	oklch(57.51% 0.183 270.1)
XYZ	xyz(22.6163, 18.0185, 74.9442)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CE3 #E3C851

analogous

#51B5E3 #516CE3 #7F51E3

triadic

#516CE3 #E3516C #6CE351

tetradic

#516CE3 #E351B5 #E3C851 #51E37F

square

#516CE3 #E351B5 #E3C851 #51E37F

split-complementary

#516CE3 #E37F51 #B5E351

monochromatic

#1A33A0 #2243D5 #516CE3 #8699EB #BAC5F4

Accessibility & contrast

On white

4.56

#516CE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#516CE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516CE3

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CE3	#FFFFFF	#000000	##000000
##516CE3	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E7DE7

Deuteranopia (green-blind)

#006FE1

Tritanopia (blue-blind)

#00889D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #516ce3;
/* rgb */ color: rgb(81, 108, 227);
/* oklch */ color: oklch(57.5% 0.183 270.1);

Tailwind

colors: {
  custom: {
    50: '#9095ed',
    500: '#516ce3',
    950: '#000000',
  },
}

SCSS

$custom: #516ce3;
$custom-light: #9095ed;
$custom-dark: #000000;

JSON

{
  "hex": "#516ce3",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 227
  },
  "hsl": {
    "h": 228.904,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.57513,
    "c": 0.18267,
    "h": 270.1
  },
  "luminance": 0.18021
}

Semantic roles & 50–950 ramp

primary

#516CE3

secondary

#E4D9AC

accent

#B011D4

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516CE3

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

Preview Lab → · Contrast checker → · Palette generator →