Color

#1f99ea

#1f99ea
hex#1f99ea
rgbrgb(31, 153, 234)
hslhsl(204, 83%, 52%)
oklchoklch(0.659 0.156 244.8)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.2901

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ea701f

#1fead6 · #1f33ea

#ea1f99 · #99ea1f

Split-complementary

Open in tool →

#ea1f33 · #ead61f

#d61fea · #ea701f · #33ea1f

Contrast

#1f99ea as textRatioAAAA largeAAAFix
Aaon white
3.09:1failpassfail
  • AA: use #127abf as the text (4.6:1)
  • AAA: use #0d5c91 as the text (7.1:1)
  • AA: or shift the background to #2b2b2b (4.59:1)
Aaon black
6.8:1passpassfail
  • AAA: use #289deb as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f99ea as the background.

Brands using this color

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

Fonts for this mood

#1f99ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f99ea
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 #1f99ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f99ea-9cafc4-df4e5a-1f222d-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