#516FD5#516FD5

#516FD5 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.1% C 0.160 H 268.6°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#516FD5
RGB	rgb(81, 111, 213)
HSL	hsl(226, 61%, 58%)
HSV	hsv(226, 62%, 84%)
CMYK	cmyk(62%, 47.9%, 0%, 16.5%)
CIE-LAB	lab(49.40, 20.78, -55.89)
CIE-LCH	lch(49.40, 59.63, 290.39°)
OKLab	oklab(57.14% -0.0038 -0.1599)
OKLCH	oklch(57.14% 0.16 268.6)
XYZ	xyz(21.0839, 17.9205, 65.2858)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FD5 #D5B751

analogous

#51B1D5 #516FD5 #7551D5

triadic

#516FD5 #D5516F #6FD551

tetradic

#516FD5 #D551B1 #D5B751 #51D575

square

#516FD5 #D551B1 #D5B751 #51D575

split-complementary

#516FD5 #D57551 #B1D551

monochromatic

#21398A #2D4EBC #516FD5 #8298E1 #B4C1ED

Accessibility & contrast

On white

4.58

#516FD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#516FD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516FD5

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FD5	#FFFFFF	#000000	##000000
##516FD5	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7CD9

Deuteranopia (green-blind)

#2170D3

Tritanopia (blue-blind)

#008698

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #516fd5;
/* rgb */ color: rgb(81, 111, 213);
/* oklch */ color: oklch(57.1% 0.160 268.6);

Tailwind

colors: {
  custom: {
    50: '#8e97e2',
    500: '#516fd5',
    950: '#000000',
  },
}

SCSS

$custom: #516fd5;
$custom-light: #8e97e2;
$custom-dark: #000000;

JSON

{
  "hex": "#516fd5",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 213
  },
  "hsl": {
    "h": 226.364,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.57135,
    "c": 0.15993,
    "h": 268.6
  },
  "luminance": 0.17922
}

Semantic roles & 50–950 ramp

primary

#516FD5

secondary

#DBCFA6

accent

#C044E4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516FD5

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

Preview Lab → · Contrast checker → · Palette generator →