About Dark Slate Blue
Dark Slate Blue (darkslateblue) is a dark, moderately saturated blue with the hex code #483d8b, or rgb(72, 61, 139). In HSL it sits at a hue of 248°, 39% saturation and 39% lightness. It is one of the 148 named colors every browser understands, so you can write color: darkslateblue; instead of the hex value.
Using Dark Slate Blue for text and backgrounds
| Pairing | Contrast ratio | WCAG |
|---|---|---|
| Dark Slate Blue text on white | 9.07 : 1 | AAA |
| Dark Slate Blue text on black | 2.32 : 1 | fails |
On a dark slate blue background, use white text (9.07 : 1). WCAG asks for at least 4.5 : 1 for body text and 3 : 1 for large text. Check other pairs with the Contrast Checker.
CSS
.element {
color: darkslateblue; /* or #483d8b */
background-color: #483d8b;
border: 1px solid rgb(72 61 139 / 50%);
}Similar named colors
Rebecca Purple (#663399), Indigo (#4b0082), Dim Gray (#696969), Midnight Blue (#191970), Dark Slate Gray (#2f4f4f), Slate Gray (#708090).
Color Name FinderPaste a HEX code to get its closest human-readable name and clean token names for your CSS, SCSS, JavaScript or Tailwind config.
Open the tool Frequently asked questions
What is the hex code for dark slate blue?
#483d8b — that is rgb(72, 61, 139) and hsl(248, 39%, 39%). In CSS you can also just write darkslateblue.
Is dark slate blue text readable on white?
Its contrast ratio on white is 9.07 : 1, which passes WCAG AA for normal text.
What colors go well with dark slate blue?
Its complementary color is #808a3d; analogous colors #3d598a and #6e3d8a sit next to it on the color wheel.