Color

#3805b8

#3805b8
hex#3805b8
rgbrgb(56, 5, 184)
hslhsl(257, 95%, 37%)
oklchoklch(0.383 0.231 278.6)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0441

Tints & shades

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

Harmonies

Complementary

Open in tool →

#85b805

#052cb8 · #9105b8

#b83805 · #05b838

Split-complementary

Open in tool →

#b89105 · #2cb805

#b8052c · #85b805 · #05b891

Contrast

#3805b8 as textRatioAAAA largeAAAFix
Aaon white
11.16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.88:1failfailfail
  • AA: use #8151fb as the text (4.5:1)
  • AAA: use #a583fc as the text (7.25:1)
  • AA: or shift the background to #a6a6a6 (4.58:1)
  • AAA: or shift the background to #cfcfcf (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3805b8 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

#3805b8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3805b8
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 #3805b8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3805b8-ac9cc4-dfc24e-291f2d-e9ebf1?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