Color

#0800a3

#0800a3
hex#0800a3
rgbrgb(8, 0, 163)
hslhsl(243, 100%, 32%)
oklchoklch(0.326 0.222 265.5)
Closest name: Cobalt (#030aa7)Relative luminance 0.027

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9ba300

#0049a3 · #5a00a3

#a30800 · #00a308

Split-complementary

Open in tool →

#a35a00 · #49a300

#a30049 · #9ba300 · #00a35a

Contrast

#0800a3 as textRatioAAAA largeAAAFix
Aaon white
13.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #645cff as the text (4.52:1)
  • AAA: use #908aff as the text (7.27:1)
  • AA: or shift the background to #969696 (4.61:1)
  • AAA: or shift the background to #bababa (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0800a3 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

#0800a3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0800a3
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 #0800a3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0800a3-a39cc4-dfa04e-261f2d-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