Color

#2a2fbb

#2a2fbb
hex#2a2fbb
rgbrgb(42, 47, 187)
hslhsl(238, 63%, 45%)
oklchoklch(0.413 0.211 271)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0611

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bbb62a

#2a78bb · #6e2abb

#bb2a2f · #2fbb2a

Split-complementary

Open in tool →

#bb6e2a · #78bb2a

#bb2a78 · #bbb62a · #2abb6e

Contrast

#2a2fbb as textRatioAAAA largeAAAFix
Aaon white
9.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #6569dc as the text (4.61:1)
  • AAA: use #8b8ee5 as the text (7.1:1)
  • AA: or shift the background to #b3b3b3 (4.51:1)
  • AAA: or shift the background to #dedede (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a2fbb 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

#2a2fbb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a2fbb
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 #2a2fbb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a2fbb-9f9cc4-df944e-251f2d-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