Color

#0818aa

#0818aa
hex#0818aa
rgbrgb(8, 24, 170)
hslhsl(234, 91%, 35%)
oklchoklch(0.352 0.218 265.3)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0361

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa9a08

#0869aa · #4908aa

#aa0818 · #18aa08

Split-complementary

Open in tool →

#aa4908 · #69aa08

#aa0869 · #aa9a08 · #08aa49

Contrast

#0818aa as textRatioAAAA largeAAAFix
Aaon white
12.2:1passpasspassPasses AAA — no fix needed.
Aaon black
1.72:1failfailfail
  • AA: use #5565f7 as the text (4.59:1)
  • AAA: use #808cf9 as the text (7.04:1)
  • AA: or shift the background to #9e9e9e (4.55:1)
  • AAA: or shift the background to #c7c7c7 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0818aa 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

#0818aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0818aa
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 #0818aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0818aa-9d9cc4-df8a4e-241f2d-e9eef1?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