Color

#2d53be

#2d53be
hex#2d53be
rgbrgb(45, 83, 190)
hslhsl(224, 62%, 46%)
oklchoklch(0.48 0.174 265.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1046

Colors that go with #2d53be

Charcoal, Sea Green and Amber 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 →

#be972d

#2d9cbe · #4f2dbe

#be2d53 · #53be2d

Split-complementary

Open in tool →

#be4f2d · #9cbe2d

#be2d9c · #be972d · #2dbe4f

Contrast

#2d53be as textRatioAAAA largeAAAFix
Aaon white
6.79:1passpassfail
  • AAA: use #2b50b6 as the text (7.18:1)
Aaon black
3.09:1failpassfail
  • AA: use #4d72d5 as the text (4.68:1)
  • AAA: use #7793df as the text (7.02:1)
  • 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 #2d53be as the background.

Brands using this color

Fonts for this mood

#2d53be reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d53be
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 #2d53be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d53be-9ca2c4-df724e-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