Color

#2b53da

#2b53da
hex#2b53da
rgbrgb(43, 83, 218)
hslhsl(226, 70%, 51%)
oklchoklch(0.503 0.211 266)
Closest name: Denim (#1560bd)Relative luminance 0.1176

Colors that go with #2b53da

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.

Real palettes that use #2b53da

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dab12b

#2babda · #592bda

#da2b53 · #53da2b

Split-complementary

Open in tool →

#da592b · #abda2b

#da2bab · #dab12b · #2bda59

Contrast

#2b53da as textRatioAAAA largeAAAFix
Aaon white
6.26:1passpassfail
  • AAA: use #244bcc as the text (7.11:1)
Aaon black
3.35:1failpassfail
  • AA: use #4d6fe0 as the text (4.67:1)
  • AAA: use #7992e7 as the text (7.08:1)
  • AA: or shift the background to #dbdbdb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b53da as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#2b53da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b53da
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 #2b53da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b53da-9ca1c4-df774e-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