Color

#1a50db

#1a50db
hex#1a50db
rgbrgb(26, 80, 219)
hslhsl(223, 79%, 48%)
oklchoklch(0.494 0.219 263.8)
Closest name: Denim (#1560bd)Relative luminance 0.1107

Colors that go with #1a50db

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 →

#dba41a

#1ab1db · #441adb

#db1a50 · #50db1a

Split-complementary

Open in tool →

#db441a · #b1db1a

#db1ab1 · #dba41a · #1adb44

Contrast

#1a50db as textRatioAAAA largeAAAFix
Aaon white
6.53:1passpassfail
  • AAA: use #184bcd as the text (7.18:1)
Aaon black
3.21:1failpassfail
  • AA: use #3f6fe9 as the text (4.66:1)
  • AAA: use #7295ee as the text (7.25:1)
  • AA: or shift the background to #d9d9d9 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a50db as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1a50db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a50db
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 #1a50db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a50db-9ca3c4-df704e-211f2d-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