Color

#1955eb

#1955eb
hex#1955eb
rgbrgb(25, 85, 235)
hslhsl(223, 84%, 51%)
oklchoklch(0.517 0.233 263.6)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.127

Colors that go with #1955eb

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 →

#ebb019

#19beeb · #4719eb

#eb1955 · #55eb19

Split-complementary

Open in tool →

#eb4719 · #beeb19

#eb19be · #ebb019 · #19eb47

Contrast

#1955eb as textRatioAAAA largeAAAFix
Aaon white
5.93:1passpassfail
  • AAA: use #1249d3 as the text (7.19:1)
Aaon black
3.54:1failpassfail
  • AA: use #3a6dee as the text (4.6:1)
  • AAA: use #6e93f2 as the text (7.12:1)
  • AA: or shift the background to #e3e3e3 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1955eb as the background.

Brands using this color

Fonts for this mood

#1955eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1955eb
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 #1955eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1955eb-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