#516EE4#516EE4

#516EE4 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 58.0% C 0.182 H 269.6°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#516EE4
RGB	rgb(81, 110, 228)
HSL	hsl(228, 73%, 61%)
HSV	hsv(228, 64%, 89%)
CMYK	cmyk(64.5%, 51.8%, 0%, 10.6%)
CIE-LAB	lab(50.10, 26.53, -63.25)
CIE-LCH	lch(50.10, 68.59, 292.76°)
OKLab	oklab(57.97% -0.0014 -0.1815)
OKLCH	oklch(57.97% 0.182 269.6)
XYZ	xyz(22.9681, 18.5005, 75.7443)
Luminance	0.1850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EE4 #E4C751

analogous

#51B8E4 #516EE4 #7D51E4

triadic

#516EE4 #E4516E #6EE451

tetradic

#516EE4 #E451B8 #E4C751 #51E47D

square

#516EE4 #E451B8 #E4C751 #51E47D

split-complementary

#516EE4 #E47D51 #B8E451

monochromatic

#1934A2 #2145D7 #516EE4 #869AEC #BBC6F4

Accessibility & contrast

On white

4.47

#516EE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#516EE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516EE4

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EE4	#FFFFFF	#000000	##000000
##516EE4	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#247EE8

Deuteranopia (green-blind)

#0071E2

Tritanopia (blue-blind)

#008A9E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #516ee4;
/* rgb */ color: rgb(81, 110, 228);
/* oklch */ color: oklch(58.0% 0.182 269.6);

Tailwind

colors: {
  custom: {
    50: '#9097ed',
    500: '#516ee4',
    950: '#000000',
  },
}

SCSS

$custom: #516ee4;
$custom-light: #9097ed;
$custom-dark: #000000;

JSON

{
  "hex": "#516ee4",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 228
  },
  "hsl": {
    "h": 228.163,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.57971,
    "c": 0.18155,
    "h": 269.6
  },
  "luminance": 0.18503
}

Semantic roles & 50–950 ramp

primary

#516EE4

secondary

#E4D9AC

accent

#AE10D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516EE4

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

Preview Lab → · Contrast checker → · Palette generator →