#516FDE#516FDE

#516FDE is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.7% C 0.172 H 269.1°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#516FDE
RGB	rgb(81, 111, 222)
HSL	hsl(227, 68%, 59%)
HSV	hsv(227, 64%, 87%)
CMYK	cmyk(63.5%, 50%, 0%, 12.9%)
CIE-LAB	lab(49.97, 23.86, -60.08)
CIE-LCH	lch(49.97, 64.64, 291.66°)
OKLab	oklab(57.75% -0.0028 -0.1722)
OKLCH	oklch(57.75% 0.172 269.1)
XYZ	xyz(22.2581, 18.3901, 71.4698)
Luminance	0.1839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FDE #DEC051

analogous

#51B6DE #516FDE #7A51DE

triadic

#516FDE #DE516F #6FDE51

tetradic

#516FDE #DE51B6 #DEC051 #51DE7A

square

#516FDE #DE51B6 #DEC051 #51DE7A

split-complementary

#516FDE #DE7A51 #B6DE51

monochromatic

#1D3798 #274ACB #516FDE #849AE8 #B8C4F2

Accessibility & contrast

On white

4.49

#516FDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#516FDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516FDE

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FDE	#FFFFFF	#000000	##000000
##516FDE	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#317EE2

Deuteranopia (green-blind)

#0271DC

Tritanopia (blue-blind)

#00899C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #516fde;
/* rgb */ color: rgb(81, 111, 222);
/* oklch */ color: oklch(57.7% 0.172 269.1);

Tailwind

colors: {
  custom: {
    50: '#8f97e9',
    500: '#516fde',
    950: '#000000',
  },
}

SCSS

$custom: #516fde;
$custom-light: #8f97e9;
$custom-dark: #000000;

JSON

{
  "hex": "#516fde",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 222
  },
  "hsl": {
    "h": 227.234,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.57747,
    "c": 0.17222,
    "h": 269.1
  },
  "luminance": 0.18392
}

Semantic roles & 50–950 ramp

primary

#516FDE

secondary

#E1D5AA

accent

#C63DEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516FDE

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

Preview Lab → · Contrast checker → · Palette generator →