Color

#2a58ac

#2a58ac
hex#2a58ac
rgbrgb(42, 88, 172)
hslhsl(219, 61%, 42%)
oklchoklch(0.476 0.144 261.2)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1045

Colors that go with #2a58ac

Charcoal, Sea Green and Sienna lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ac7f2a

#2a99ac · #3d2aac

#ac2a58 · #58ac2a

Split-complementary

Open in tool →

#ac3d2a · #99ac2a

#ac2a99 · #ac7f2a · #2aac3d

Contrast

#2a58ac as textRatioAAAA largeAAAFix
Aaon white
6.8:1passpassfail
  • AAA: use #2955a8 as the text (7.1:1)
Aaon black
3.09:1failpassfail
  • AA: use #4274d1 as the text (4.65:1)
  • AAA: use #6f95dc as the text (7.01:1)
  • AA: or shift the background to #d4d4d4 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a58ac 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

#2a58ac reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a58ac
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2a58ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a58ac-9ca5c4-df664e-211f2d-e9f0f1?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