Color

#2152c4

#2152c4
hex#2152c4
rgbrgb(33, 82, 196)
hslhsl(222, 71%, 45%)
oklchoklch(0.479 0.186 263.4)
Closest name: Denim (#1560bd)Relative luminance 0.1034

Colors that go with #2152c4

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 →

#c49321

#21a4c4 · #4221c4

#c42152 · #52c421

Split-complementary

Open in tool →

#c44221 · #a4c421

#c421a4 · #c49321 · #21c442

Contrast

#2152c4 as textRatioAAAA largeAAAFix
Aaon white
6.84:1passpassfail
  • AAA: use #2150c0 as the text (7.06:1)
Aaon black
3.07:1failpassfail
  • AA: use #3f6fde as the text (4.54:1)
  • AAA: use #6f93e7 as the text (7:1)
  • AA: or shift the background to #d4d4d4 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2152c4 as the background.

Brands using this color

Fonts for this mood

#2152c4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2152c4
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 #2152c4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2152c4-9ca3c4-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