Color

#11458d

#11458d
hex#11458d
rgbrgb(17, 69, 141)
hslhsl(215, 78%, 31%)
oklchoklch(0.402 0.131 258.1)
Closest name: Cascade Twilight (#234893)Relative luminance 0.063

Colors that go with #11458d

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 →

#8d5911

#11828d · #1c118d

#8d1145 · #458d11

Split-complementary

Open in tool →

#8d1c11 · #828d11

#8d1182 · #8d5911 · #118d1c

Contrast

#11458d as textRatioAAAA largeAAAFix
Aaon white
9.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.26:1failfailfail
  • AA: use #2172e4 as the text (4.59:1)
  • AAA: use #5c97eb as the text (7.08:1)
  • AA: or shift the background to #b5b5b5 (4.53:1)
  • AAA: or shift the background to #e0e0e0 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #11458d as the background.

Brands using this color

Fonts for this mood

#11458d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11458d
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 #11458d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11458d-9ca8c4-df5d4e-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