Slate Blue

Slate Blue is a medium, moderately saturated blue-violet color with the hex code #6A5ACD (hue 248°, saturation 53%, lightness 58%). It is also the CSS named color slateblue.

#6A5ACD

	Name	HEX	RGB	HSL	CMYK	OKLCH
	Slate Blue	`#6A5ACD`	106, 90, 205	248°, 53%, 58%	48, 56, 0, 20	54.4% 0.171 286

Contrast with white text 5.31:1, with black text 3.96:1 — use white text on Slate Blue.

slateblue is one of the 148 named colors in CSS, with exactly this value, so color: slateblue works in any browser without a hex code.

Huebook · Maintained by Iris Marlow (pen name) · automated checks · Data: color-name-list (MIT) for names; CSS Color Module Level 4 (W3C) for CSS named colors · Updated Oct 19, 2026 · How the checks work

Tints and shades

#DCD8F3

#A79DE1

#7262D0

#4635B0

#2F2475

#17123B

Colors that go with Slate Blue

Six color schemes built on Slate Blue with classic harmony rules. The complementary scheme pairs it with Hidden Meadow (#BBCC5A), the color opposite it on the color wheel.

Nearest CSS named colors

Royal Blue (royalblue): Royal Blue (#4169E1) is lighter than Slate Blue (relative luminance 0.167 vs 0.148) and more saturated, with its hue 23° away.
Medium Slate Blue (mediumslateblue): Medium Slate Blue (#7B68EE) is lighter than Slate Blue (relative luminance 0.203 vs 0.148) and more saturated, with the same hue.
Medium Purple (mediumpurple): Medium Purple (#9370DB) is lighter than Slate Blue (relative luminance 0.229 vs 0.148) and more saturated, with its hue 11° away.
Blue Violet (blueviolet): Blue Violet (#8A2BE2) is darker than Slate Blue (relative luminance 0.126 vs 0.148) and more saturated, with its hue 23° away.

Similar medium blue colors

Questions

What is the hex code for Slate Blue?

#6A5ACD — RGB 106, 90, 205, HSL 248°, 53%, 58%.

Is Slate Blue a warm or cool color?

Cool — its hue sits at 248° on the color wheel.