Color

#2d53a4

#2d53a4
hex#2d53a4
rgbrgb(45, 83, 164)
hslhsl(221, 57%, 41%)
oklchoklch(0.46 0.138 263.2)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0942

Colors that go with #2d53a4

Charcoal, Sea Green and Steel Blue 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 →

#a47e2d

#2d8ea4 · #432da4

#a42d53 · #53a42d

Split-complementary

Open in tool →

#a4432d · #8ea42d

#a42d8e · #a47e2d · #2da443

Contrast

#2d53a4 as textRatioAAAA largeAAAFix
Aaon white
7.28:1passpasspassPasses AAA — no fix needed.
Aaon black
2.88:1failfailfail
  • AA: use #4771cd as the text (4.51:1)
  • AAA: use #7796da as the text (7.16:1)
  • AA: or shift the background to #cccccc (4.53:1)
  • AAA: or shift the background to #fcfcfc (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d53a4 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

#2d53a4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d53a4
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 #2d53a4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d53a4-9ca4c4-df6b4e-211f2d-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