#516BD2#516BD2

#516BD2 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.1% C 0.161 H 269.9°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#516BD2
RGB	rgb(81, 107, 210)
HSL	hsl(228, 59%, 57%)
HSV	hsv(228, 61%, 82%)
CMYK	cmyk(61.4%, 49%, 0%, 17.6%)
CIE-LAB	lab(48.15, 22.25, -56.18)
CIE-LCH	lch(48.15, 60.43, 291.60°)
OKLab	oklab(56.13% -0.0003 -0.1608)
OKLCH	oklch(56.13% 0.161 269.9)
XYZ	xyz(20.2800, 16.9161, 63.1567)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516BD2 #D2B851

analogous

#51ACD2 #516BD2 #7851D2

triadic

#516BD2 #D2516B #6BD251

tetradic

#516BD2 #D251AC #D2B851 #51D278

square

#516BD2 #D251AC #D2B851 #51D278

split-complementary

#516BD2 #D27851 #ACD251

monochromatic

#233786 #2F4BB7 #516BD2 #8294DF #B2BEEB

Accessibility & contrast

On white

4.79

#516BD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#516BD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516BD2

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516BD2	#FFFFFF	#000000	##FFFFFF
##516BD2	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3578D6

Deuteranopia (green-blind)

#196DD0

Tritanopia (blue-blind)

#008394

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #516bd2;
/* rgb */ color: rgb(81, 107, 210);
/* oklch */ color: oklch(56.1% 0.161 269.9);

Tailwind

colors: {
  custom: {
    50: '#8d95e0',
    500: '#516bd2',
    950: '#000000',
  },
}

SCSS

$custom: #516bd2;
$custom-light: #8d95e0;
$custom-dark: #000000;

JSON

{
  "hex": "#516bd2",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 210
  },
  "hsl": {
    "h": 227.907,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.56128,
    "c": 0.16079,
    "h": 269.9
  },
  "luminance": 0.16918
}

Semantic roles & 50–950 ramp

primary

#516BD2

secondary

#DACFA5

accent

#C346E2

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516BD2

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

Preview Lab → · Contrast checker → · Palette generator →