Color

#024cbb

#024cbb
hex#024cbb
rgbrgb(2, 76, 187)
hslhsl(216, 98%, 37%)
oklchoklch(0.453 0.186 260.4)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0877

Colors that go with #024cbb

Charcoal, Crimson 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 →

#bb7102

#02a8bb · #1402bb

#bb024c · #4cbb02

Split-complementary

Open in tool →

#bb1402 · #a8bb02

#bb02a8 · #bb7102 · #02bb14

Contrast

#024cbb as textRatioAAAA largeAAAFix
Aaon white
7.63:1passpasspassPasses AAA — no fix needed.
Aaon black
2.75:1failfailfail
  • AA: use #0d6dfd as the text (4.62:1)
  • AAA: use #5397fd as the text (7.21:1)
  • AA: or shift the background to #c7c7c7 (4.51:1)
  • AAA: or shift the background to #f7f7f7 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #024cbb as the background.

Brands using this color

Fonts for this mood

#024cbb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #024cbb
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 #024cbb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/024cbb-9ca7c4-df5f4e-201f2d-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