Color

#1863b9

#1863b9
hex#1863b9
rgbrgb(24, 99, 185)
hslhsl(212, 77%, 41%)
oklchoklch(0.504 0.153 255.5)
Closest name: Denim (#1560bd)Relative luminance 0.1262

Colors that go with #1863b9

Charcoal, Crimson 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 →

#b96e18

#18b4b9 · #1d18b9

#b91863 · #63b918

Split-complementary

Open in tool →

#b91d18 · #b4b918

#b918b4 · #b96e18 · #18b91d

Contrast

#1863b9 as textRatioAAAA largeAAAFix
Aaon white
5.96:1passpassfail
  • AAA: use #1557a2 as the text (7.2:1)
Aaon black
3.52:1failpassfail
  • AA: use #1c74d9 as the text (4.55:1)
  • AAA: use #5399e9 as the text (7.1:1)
  • AA: or shift the background to #e0e0e0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1863b9 as the background.

Brands using this color

Fonts for this mood

#1863b9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1863b9
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 #1863b9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1863b9-9caac4-df564e-1f202d-e9f1f1?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