Color

#1fc3ff

#1fc3ff
hex#1fc3ff
rgbrgb(31, 195, 255)
hslhsl(196, 100%, 56%)
oklchoklch(0.767 0.148 230.3)
Closest name: deepskyblue (#00bfff)Relative luminance 0.4654

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff5a1f

#1fffcb · #1f53ff

#ff1fc3 · #c3ff1f

Split-complementary

Open in tool →

#ff1f53 · #ffcb1f

#cb1fff · #ff5a1f · #53ff1f

Contrast

#1fc3ff as textRatioAAAA largeAAAFix
Aaon white
2.04:1failfailfail
  • AA: use #007fad as the text (4.53:1)
  • AAA: use #005e80 as the text (7.21:1)
  • AA: or shift the background to #474747 (4.56:1)
  • AAA: or shift the background to #292929 (7.14:1)
Aaon black
10.31:1passpasspassPasses 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 #1fc3ff as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1fc3ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1fc3ff
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 #1fc3ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fc3ff-9cb5c4-df4e6e-1f232d-e9f1ef?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