Color

#1f75ff

#1f75ff
hex#1f75ff
rgbrgb(31, 117, 255)
hslhsl(217, 100%, 56%)
oklchoklch(0.596 0.22 260.2)
Closest name: Azure (#007fff)Relative luminance 0.2023

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffa91f

#1fe5ff · #391fff

#ff1f75 · #75ff1f

Split-complementary

Open in tool →

#ff391f · #e5ff1f

#ff1fe5 · #ffa91f · #1fff39

Contrast

#1f75ff as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #0f6bff as the text (4.6:1)
  • AAA: use #004ecc as the text (7.09:1)
  • AA: or shift the background to #121212 (4.5:1)
Aaon black
5.05:1passpassfail
  • AAA: use #5294ff as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f75ff as the background.

Brands using this color

Fonts for this mood

#1f75ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f75ff
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 #1f75ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f75ff-9ca7c4-df624e-201f2d-e9f0f1?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