Color

#1863af

#1863af
hex#1863af
rgbrgb(24, 99, 175)
hslhsl(210, 76%, 39%)
oklchoklch(0.498 0.14 253.2)
Closest name: Denim (#1560bd)Relative luminance 0.1221

Colors that go with #1863af

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 →

#af6318

#18afaf · #1818af

#af1863 · #63af18

Split-complementary

Open in tool →

#af1818 · #afaf18

#af18af · #af6318 · #18af18

Contrast

#1863af as textRatioAAAA largeAAAFix
Aaon white
6.1:1passpassfail
  • AAA: use #15599d as the text (7.12:1)
Aaon black
3.44:1failpassfail
  • AA: use #1d78d3 as the text (4.68:1)
  • AAA: use #4b99e7 as the text (7.01:1)
  • AA: or shift the background to #dedede (4.53:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/1863af-9cabc4-df514e-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