Color

#1552cb

#1552cb
hex#1552cb
rgbrgb(21, 82, 203)
hslhsl(220, 81%, 44%)
oklchoklch(0.482 0.197 262.1)
Closest name: Denim (#1560bd)Relative luminance 0.1051

Colors that go with #1552cb

Charcoal, Crimson 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 →

#cb8e15

#15adcb · #3415cb

#cb1552 · #52cb15

Split-complementary

Open in tool →

#cb3415 · #adcb15

#cb15ad · #cb8e15 · #15cb34

Contrast

#1552cb as textRatioAAAA largeAAAFix
Aaon white
6.77:1passpassfail
  • AAA: use #1550c6 as the text (7.01:1)
Aaon black
3.1:1failpassfail
  • AA: use #3471ea as the text (4.7:1)
  • AAA: use #6794ef as the text (7.06:1)
  • AA: or shift the background to #d4d4d4 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1552cb as the background.

Brands using this color

Fonts for this mood

#1552cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1552cb
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 #1552cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1552cb-9ca5c4-df694e-211f2d-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