Slateblue colour (#6A5ACD)
Slateblue is medium a blue with hex code #6A5ACD, one of the 148 named colours every browser understands, so you can write color: ${name} directly in CSS. In RGB it is 106, 90, 205; in HSL 248°, 53%, 58%. Use the tool to explore shades and harmonies.
How to use the Slateblue colour
- The colour is pre-filled; click Explore to see all formats, shades and harmonies.
- Edit the value to try a variation.
- Copy the code you need.
Slateblue in every format
| Format | Value |
|---|---|
| HEX | #6A5ACD |
| RGB | rgb(106, 90, 205) |
| RGB (0–1) | 0.416, 0.353, 0.804 |
| HSL | hsl(248, 53%, 58%) |
| CMYK (approx.) | 48%, 56%, 0%, 20% |
| CSS | color: slateblue; |
Shades and tints of Slateblue
Same hue and saturation, lightness from 90% to 10%:
#dcd8f3 | #b8b1e7 | #958adb | #7163cf | #4e3cc3 | #3e309c | #2f2475 | #1f184e | #100c27 |
Colours that go with Slateblue
| Harmony | Colours | |
|---|---|---|
| Complementary | #becd5b | |
| Triadic | #cd6a5b | #5bcd6a |
| Analogous | #a35bcd | #5b85cd |
Similar named colours
The closest CSS named colours by RGB distance, useful when you need a keyword instead of a hex code or want a near match:
| Colour | HEX | Difference |
|---|---|---|
| mediumslateblue | #7b68ee | close |
| royalblue | #4169e1 | close |
| mediumpurple | #9370db | close |
| steelblue | #4682b4 | close |
| blueviolet | #8a2be2 | close |
Accessibility
Contrast ratio of Slateblue against white is 5.31:1 (passes WCAG AA for normal text) and against black 3.96:1 (fails). Use Slateblue for text on white backgrounds.
Frequently asked questions
What is the hex code for Slateblue?
#6A5ACD.
What is Slateblue in RGB?
rgb(106, 90, 205).
What colour is complementary to Slateblue?
#becd5b, directly opposite on the colour wheel.
Privacy
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Last updated 2026-09-23.