Color

#30008a

#30008a
hex#30008a
rgbrgb(48, 0, 138)
hslhsl(261, 100%, 27%)
oklchoklch(0.316 0.186 283.3)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0246

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a8a00

#00158a · #75008a

#8a3000 · #008a30

Split-complementary

Open in tool →

#8a7500 · #158a00

#8a0015 · #5a8a00 · #008a75

Contrast

#30008a as textRatioAAAA largeAAAFix
Aaon white
14.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #8b4dff as the text (4.6:1)
  • AAA: use #ac80ff as the text (7.29:1)
  • AA: or shift the background to #949494 (4.64:1)
  • AAA: or shift the background to #b8b8b8 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #30008a 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

#30008a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30008a
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 #30008a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30008a-af9cc4-dfcb4e-2a1f2d-e9eaf1?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