Color

#2d58be

#2d58be
hex#2d58be
rgbrgb(45, 88, 190)
hslhsl(222, 62%, 46%)
oklchoklch(0.491 0.168 264)
Closest name: Denim (#1560bd)Relative luminance 0.1126

Colors that go with #2d58be

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 →

#be922d

#2da1be · #4a2dbe

#be2d58 · #58be2d

Split-complementary

Open in tool →

#be4a2d · #a1be2d

#be2da1 · #be922d · #2dbe4a

Contrast

#2d58be as textRatioAAAA largeAAAFix
Aaon white
6.46:1passpassfail
  • AAA: use #2a52b2 as the text (7.12:1)
Aaon black
3.25:1failpassfail
  • AA: use #4570d3 as the text (4.51:1)
  • AAA: use #7796df as the text (7.21:1)
  • AA: or shift the background to #d9d9d9 (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 #2d58be as the background.

Brands using this color

Fonts for this mood

#2d58be reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d58be
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 #2d58be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d58be-9ca3c4-df6e4e-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