#516AD5#516AD5

#516AD5 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.1% C 0.166 H 270.4°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#516AD5
RGB	rgb(81, 106, 213)
HSL	hsl(229, 61%, 58%)
HSV	hsv(229, 62%, 84%)
CMYK	cmyk(62%, 50.2%, 0%, 16.5%)
CIE-LAB	lab(48.08, 23.90, -58.01)
CIE-LCH	lch(48.08, 62.74, 292.39°)
OKLab	oklab(56.14% 0.001 -0.1662)
OKLCH	oklch(56.14% 0.166 270.4)
XYZ	xyz(20.5536, 16.8597, 65.1090)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516AD5 #D5BC51

analogous

#51ACD5 #516AD5 #7A51D5

triadic

#516AD5 #D5516A #6AD551

tetradic

#516AD5 #D551AC #D5BC51 #51D57A

square

#516AD5 #D551AC #D5BC51 #51D57A

split-complementary

#516AD5 #D57A51 #ACD551

monochromatic

#21358A #2D48BC #516AD5 #8294E1 #B4BEED

Accessibility & contrast

On white

4.80

#516AD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#516AD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516AD5

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516AD5	#FFFFFF	#000000	##FFFFFF
##516AD5	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F78D9

Deuteranopia (green-blind)

#096DD3

Tritanopia (blue-blind)

#008395

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516ad5;
/* rgb */ color: rgb(81, 106, 213);
/* oklch */ color: oklch(56.1% 0.166 270.4);

Tailwind

colors: {
  custom: {
    50: '#8e94e3',
    500: '#516ad5',
    950: '#000000',
  },
}

SCSS

$custom: #516ad5;
$custom-light: #8e94e3;
$custom-dark: #000000;

JSON

{
  "hex": "#516ad5",
  "rgb": {
    "r": 81,
    "g": 106,
    "b": 213
  },
  "hsl": {
    "h": 228.636,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.56135,
    "c": 0.16617,
    "h": 270.4
  },
  "luminance": 0.16861
}

Semantic roles & 50–950 ramp

primary

#516AD5

secondary

#DBD1A6

accent

#C644E4

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516AD5

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

Preview Lab → · Contrast checker → · Palette generator →