Color

#383da3

#383da3
hex#383da3
rgbrgb(56, 61, 163)
hslhsl(237, 49%, 43%)
oklchoklch(0.421 0.162 274.9)
Closest name: Bluebell (#333399)Relative luminance 0.0682

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a39e38

#3873a3 · #6838a3

#a3383d · #3da338

Split-complementary

Open in tool →

#a36838 · #73a338

#a33873 · #a39e38 · #38a368

Contrast

#383da3 as textRatioAAAA largeAAAFix
Aaon white
8.88:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #676ccb as the text (4.58:1)
  • AAA: use #8d91d8 as the text (7.17:1)
  • AA: or shift the background to #bababa (4.58:1)
  • AAA: or shift the background to #e6e6e6 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #383da3 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#383da3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #383da3
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #383da3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/383da3-9f9cc4-df924e-251f2d-e9edf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md