Color

#1263bf

#1263bf
hex#1263bf
rgbrgb(18, 99, 191)
hslhsl(212, 83%, 41%)
oklchoklch(0.508 0.162 255.9)
Closest name: Denim (#1560bd)Relative luminance 0.1281

Colors that go with #1263bf

Crimson, Charcoal and Medium Sea Green 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 →

#bf6e12

#12babf · #1812bf

#bf1263 · #63bf12

Split-complementary

Open in tool →

#bf1812 · #babf12

#bf12ba · #bf6e12 · #12bf18

Contrast

#1263bf as textRatioAAAA largeAAAFix
Aaon white
5.89:1passpassfail
  • AAA: use #1057a8 as the text (7.12:1)
Aaon black
3.56:1failpassfail
  • AA: use #1574e0 as the text (4.61:1)
  • AAA: use #4e99ef as the text (7.13:1)
  • AA: or shift the background to #e3e3e3 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1263bf as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#1263bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1263bf
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 #1263bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1263bf-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