Color

#127bf3

#127bf3
hex#127bf3
rgbrgb(18, 123, 243)
hslhsl(212, 90%, 51%)
oklchoklch(0.597 0.2 256.6)
Closest name: Azure (#007fff)Relative luminance 0.2077

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#f38a12

#12ebf3 · #1912f3

#f3127b · #7bf312

Split-complementary

Open in tool →

#f31912 · #ebf312

#f312eb · #f38a12 · #12f319

Contrast

#127bf3 as textRatioAAAA largeAAAFix
Aaon white
4.08:1failpassfail
  • AA: use #0c73e9 as the text (4.52:1)
  • AAA: use #0956ae as the text (7.11:1)
  • AA: or shift the background to #141414 (4.52:1)
Aaon black
5.15:1passpassfail
  • AAA: use #4798f5 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #127bf3 as the background.

Brands using this color

Fonts for this mood

#127bf3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #127bf3
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #127bf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/127bf3-9caac4-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