Color

#2a4abb

#2a4abb
hex#2a4abb
rgbrgb(42, 74, 187)
hslhsl(227, 63%, 45%)
oklchoklch(0.459 0.182 266.7)
Closest name: Denim (#2243b6)Relative luminance 0.0898

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb9c2a

#2a92bb · #532abb

#bb2a4a · #4abb2a

Split-complementary

Open in tool →

#bb532a · #92bb2a

#bb2a92 · #bb9c2a · #2abb53

Contrast

#2a4abb as textRatioAAAA largeAAAFix
Aaon white
7.51:1passpasspassPasses AAA — no fix needed.
Aaon black
2.8:1failfailfail
  • AA: use #506ed7 as the text (4.55:1)
  • AAA: use #7e94e2 as the text (7.22:1)
  • AA: or shift the background to #c9c9c9 (4.54:1)
  • AAA: or shift the background to #f7f7f7 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a4abb 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

#2a4abb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a4abb
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 #2a4abb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a4abb-9ca0c4-df7a4e-221f2d-e9eff1?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