#516ED8#516ED8

#516ED8 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.1% C 0.165 H 269.1°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#516ED8
RGB	rgb(81, 110, 216)
HSL	hsl(227, 63%, 58%)
HSV	hsv(227, 63%, 85%)
CMYK	cmyk(62.5%, 49.1%, 0%, 15.3%)
CIE-LAB	lab(49.32, 22.43, -57.72)
CIE-LCH	lch(49.32, 61.92, 291.23°)
OKLab	oklab(57.14% -0.0025 -0.1653)
OKLCH	oklch(57.14% 0.165 269.1)
XYZ	xyz(21.3597, 17.8572, 67.2736)
Luminance	0.1786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516ED8 #D8BB51

analogous

#51B1D8 #516ED8 #7751D8

triadic

#516ED8 #D8516E #6ED851

tetradic

#516ED8 #D851B1 #D8BB51 #51D877

square

#516ED8 #D851B1 #D8BB51 #51D877

split-complementary

#516ED8 #D87751 #B1D851

monochromatic

#20388F #2B4BC1 #516ED8 #8398E3 #B5C1EE

Accessibility & contrast

On white

4.59

#516ED8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#516ED8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #516ED8

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516ED8	#FFFFFF	#000000	##FFFFFF
##516ED8	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#357CDC

Deuteranopia (green-blind)

#166FD6

Tritanopia (blue-blind)

#008699

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #516ed8;
/* rgb */ color: rgb(81, 110, 216);
/* oklch */ color: oklch(57.1% 0.165 269.1);

Tailwind

colors: {
  custom: {
    50: '#8e97e5',
    500: '#516ed8',
    950: '#000000',
  },
}

SCSS

$custom: #516ed8;
$custom-light: #8e97e5;
$custom-dark: #000000;

JSON

{
  "hex": "#516ed8",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 216
  },
  "hsl": {
    "h": 227.111,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.57136,
    "c": 0.16529,
    "h": 269.1
  },
  "luminance": 0.17859
}

Semantic roles & 50–950 ramp

primary

#516ED8

secondary

#DDD2A8

accent

#C341E6

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #516ED8

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

Preview Lab → · Contrast checker → · Palette generator →