Color

#1fb4ff

#1fb4ff
hex#1fb4ff
rgbrgb(31, 180, 255)
hslhsl(200, 100%, 56%)
oklchoklch(0.732 0.157 238.5)
Closest name: deepskyblue (#00bfff)Relative luminance 0.4015

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff691f

#1fffda · #1f44ff

#ff1fb4 · #b4ff1f

Split-complementary

Open in tool →

#ff1f44 · #ffda1f

#da1fff · #ff691f · #44ff1f

Contrast

#1fb4ff as textRatioAAAA largeAAAFix
Aaon white
2.33:1failfailfail
  • AA: use #007ab8 as the text (4.69:1)
  • AAA: use #005c8a as the text (7.25:1)
  • AA: or shift the background to #3d3d3d (4.67:1)
  • AAA: or shift the background to #1f1f1f (7.09:1)
Aaon black
9.03:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1fb4ff as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#1fb4ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1fb4ff
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 #1fb4ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fb4ff-9cb2c4-df4e64-1f232d-e9f1f0?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