#516FD8#516FD8

#516FD8 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.3% C 0.164 H 268.8°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#516FD8
RGB	rgb(81, 111, 216)
HSL	hsl(227, 63%, 58%)
HSV	hsv(227, 63%, 85%)
CMYK	cmyk(62.5%, 48.6%, 0%, 15.3%)
CIE-LAB	lab(49.59, 21.80, -57.29)
CIE-LCH	lch(49.59, 61.30, 290.83°)
OKLab	oklab(57.34% -0.0035 -0.164)
OKLCH	oklch(57.34% 0.164 268.8)
XYZ	xyz(21.4682, 18.0742, 67.3098)
Luminance	0.1808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516FD8 #D8BA51

analogous

#51B2D8 #516FD8 #7651D8

triadic

#516FD8 #D8516F #6FD851

tetradic

#516FD8 #D851B2 #D8BA51 #51D876

square

#516FD8 #D851B2 #D8BA51 #51D876

split-complementary

#516FD8 #D87651 #B2D851

monochromatic

#20398F #2B4CC1 #516FD8 #8398E3 #B5C2EE

Accessibility & contrast

On white

4.55

#516FD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#516FD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516FD8

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516FD8	#FFFFFF	#000000	##000000
##516FD8	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)

#387CDC

Deuteranopia (green-blind)

#1A70D6

Tritanopia (blue-blind)

#008799

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #516fd8;
/* rgb */ color: rgb(81, 111, 216);
/* oklch */ color: oklch(57.3% 0.164 268.8);

Tailwind

colors: {
  custom: {
    50: '#8e97e5',
    500: '#516fd8',
    950: '#000000',
  },
}

SCSS

$custom: #516fd8;
$custom-light: #8e97e5;
$custom-dark: #000000;

JSON

{
  "hex": "#516fd8",
  "rgb": {
    "r": 81,
    "g": 111,
    "b": 216
  },
  "hsl": {
    "h": 226.667,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.57337,
    "c": 0.16405,
    "h": 268.8
  },
  "luminance": 0.18076
}

Semantic roles & 50–950 ramp

primary

#516FD8

secondary

#DDD1A8

accent

#C241E6

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #516FD8

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

Preview Lab → · Contrast checker → · Palette generator →