Color

#127bde

#127bde
hex#127bde
rgbrgb(18, 123, 222)
hslhsl(209, 85%, 47%)
oklchoklch(0.583 0.174 253.3)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1957

Colors that go with #127bde

Charcoal, Crimson and Copper 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 →

#de7412

#12deda · #1215de

#de127b · #7bde12

Split-complementary

Open in tool →

#de1215 · #deda12

#da12de · #de7412 · #15de12

Contrast

#127bde as textRatioAAAA largeAAAFix
Aaon white
4.27:1failpassfail
  • AA: use #1176d4 as the text (4.6:1)
  • AAA: use #0d59a0 as the text (7.11:1)
  • AA: or shift the background to #0d0d0d (4.55:1)
Aaon black
4.91:1passpassfail
  • AAA: use #3e99ef as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #127bde as the background.

Brands using this color

Fonts for this mood

#127bde reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #127bde
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 #127bde and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/127bde-9cacc4-df4e4e-1f212d-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