Color

#24455c

#24455c
hex#24455c
rgbrgb(36, 69, 92)
hslhsl(205, 44%, 25%)
oklchoklch(0.376 0.055 240.8)
Closest name: Capital Blue (#1a4157)Relative luminance 0.054

Colors that go with #24455c

Royal Blue, Teal 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 →

#5c3b24

#245c57 · #24285c

#5c2444 · #445c24

Split-complementary

Open in tool →

#5c2428 · #5c5724

#57245c · #5c3b24 · #285c24

Contrast

#24455c as textRatioAAAA largeAAAFix
Aaon white
10.09:1passpasspassPasses AAA — no fix needed.
Aaon black
2.08:1failfailfail
  • AA: use #407ba5 as the text (4.59:1)
  • AAA: use #659cc3 as the text (7.1:1)
  • AA: or shift the background to #b0b0b0 (4.65:1)
  • AAA: or shift the background to #d9d9d9 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #24455c as the background.

Brands using this color

Fonts for this mood

#24455c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #24455c
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 #24455c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/24455c-9cafc4-df4e58-1f212d-e9f1f0?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