Color

#5000b3

#5000b3
hex#5000b3
rgbrgb(80, 0, 179)
hslhsl(267, 100%, 35%)
oklchoklch(0.398 0.225 290.3)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0496

Tints & shades

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

Harmonies

Complementary

Open in tool →

#62b300

#0009b3 · #aa00b3

#b35000 · #00b350

Split-complementary

Open in tool →

#b3aa00 · #09b300

#b30009 · #62b300 · #00b3aa

Contrast

#5000b3 as textRatioAAAA largeAAAFix
Aaon white
10.54:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #9742ff as the text (4.54:1)
  • AAA: use #b67aff as the text (7.22:1)
  • AA: or shift the background to #ababab (4.59:1)
  • AAA: or shift the background to #d4d4d4 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5000b3 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

#5000b3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5000b3
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 #5000b3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5000b3-b39cc4-dfda4e-2c1f2d-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