#516CE4#516CE4

#516CE4 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.6% C 0.184 H 270.1°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#516CE4
RGB	rgb(81, 108, 228)
HSL	hsl(229, 73%, 61%)
HSV	hsv(229, 64%, 89%)
CMYK	cmyk(64.5%, 52.6%, 0%, 10.6%)
CIE-LAB	lab(49.59, 27.77, -64.08)
CIE-LCH	lch(49.59, 69.84, 293.43°)
OKLab	oklab(57.58% 0.0004 -0.184)
OKLCH	oklch(57.58% 0.184 270.1)
XYZ	xyz(22.7547, 18.0738, 75.6732)
Luminance	0.1808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CE4 #E4C951

analogous

#51B5E4 #516CE4 #8051E4

triadic

#516CE4 #E4516C #6CE451

tetradic

#516CE4 #E451B5 #E4C951 #51E480

square

#516CE4 #E451B5 #E4C951 #51E480

split-complementary

#516CE4 #E48051 #B5E451

monochromatic

#1932A2 #2143D7 #516CE4 #8699EC #BBC6F4

Accessibility & contrast

On white

4.55

#516CE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#516CE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516CE4

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CE4	#FFFFFF	#000000	##000000
##516CE4	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C7DE8

Deuteranopia (green-blind)

#0070E2

Tritanopia (blue-blind)

#00889E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #516ce4;
/* rgb */ color: rgb(81, 108, 228);
/* oklch */ color: oklch(57.6% 0.184 270.1);

Tailwind

colors: {
  custom: {
    50: '#9095ed',
    500: '#516ce4',
    950: '#000000',
  },
}

SCSS

$custom: #516ce4;
$custom-light: #9095ed;
$custom-dark: #000000;

JSON

{
  "hex": "#516ce4",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 228
  },
  "hsl": {
    "h": 228.98,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.57585,
    "c": 0.18401,
    "h": 270.1
  },
  "luminance": 0.18076
}

Semantic roles & 50–950 ramp

primary

#516CE4

secondary

#E4DAAC

accent

#B110D5

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516CE4

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

Preview Lab → · Contrast checker → · Palette generator →