Color

#1148df

#1148df
hex#1148df
rgbrgb(17, 72, 223)
hslhsl(224, 86%, 47%)
oklchoklch(0.482 0.234 263.9)
Closest name: C64 Blue (#003aff)Relative luminance 0.1008

Colors that go with #1148df

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 →

#dfa811

#11afdf · #4111df

#df1148 · #48df11

Split-complementary

Open in tool →

#df4111 · #afdf11

#df11af · #dfa811 · #11df41

Contrast

#1148df as textRatioAAAA largeAAAFix
Aaon white
6.96:1passpassfail
  • AAA: use #1046da as the text (7.22:1)
Aaon black
3.02:1failpassfail
  • AA: use #3d6cf0 as the text (4.6:1)
  • AAA: use #7194f4 as the text (7.24:1)
  • AA: or shift the background to #d1d1d1 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1148df as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1148df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1148df
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 #1148df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1148df-9ca2c4-df724e-221f2d-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