#516ED9#516ED9

#516ED9 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.2% C 0.167 H 269.2°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#516ED9
RGB	rgb(81, 110, 217)
HSL	hsl(227, 64%, 58%)
HSV	hsv(227, 63%, 85%)
CMYK	cmyk(62.7%, 49.3%, 0%, 14.9%)
CIE-LAB	lab(49.39, 22.77, -58.18)
CIE-LCH	lch(49.39, 62.48, 291.37°)
OKLab	oklab(57.21% -0.0024 -0.1666)
OKLCH	oklch(57.21% 0.167 269.2)
XYZ	xyz(21.4894, 17.9091, 67.9565)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516ED9 #D9BC51

analogous

#51B2D9 #516ED9 #7851D9

triadic

#516ED9 #D9516E #6ED951

tetradic

#516ED9 #D951B2 #D9BC51 #51D978

square

#516ED9 #D951B2 #D9BC51 #51D978

split-complementary

#516ED9 #D97851 #B2D951

monochromatic

#1F3790 #2A4BC2 #516ED9 #8398E4 #B5C2EF

Accessibility & contrast

On white

4.58

#516ED9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#516ED9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516ED9

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516ED9	#FFFFFF	#000000	##000000
##516ED9	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)

#347CDD

Deuteranopia (green-blind)

#1270D7

Tritanopia (blue-blind)

#008799

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #516ed9;
/* rgb */ color: rgb(81, 110, 217);
/* oklch */ color: oklch(57.2% 0.167 269.2);

Tailwind

colors: {
  custom: {
    50: '#8e97e5',
    500: '#516ed9',
    950: '#000000',
  },
}

SCSS

$custom: #516ed9;
$custom-light: #8e97e5;
$custom-dark: #000000;

JSON

{
  "hex": "#516ed9",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 217
  },
  "hsl": {
    "h": 227.206,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.57205,
    "c": 0.16666,
    "h": 269.2
  },
  "luminance": 0.17911
}

Semantic roles & 50–950 ramp

primary

#516ED9

secondary

#DED2A8

accent

#C441E7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #516ED9

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

Preview Lab → · Contrast checker → · Palette generator →