Color

#143fff

#143fff
hex#143fff
rgbrgb(20, 63, 255)
hslhsl(229, 100%, 54%)
oklchoklch(0.502 0.279 265)
Closest name: C64 Blue (#003aff)Relative luminance 0.1092

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffd414

#14b5ff · #5f14ff

#ff143f · #3fff14

Split-complementary

Open in tool →

#ff5f14 · #b5ff14

#ff14b5 · #ffd414 · #14ff5f

Contrast

#143fff as textRatioAAAA largeAAAFix
Aaon white
6.59:1passpassfail
  • AAA: use #0533ff as the text (7.18:1)
Aaon black
3.18:1failpassfail
  • AA: use #4265ff as the text (4.54:1)
  • AAA: use #758fff as the text (7.13:1)
  • AA: or shift the background to #d6d6d6 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #143fff 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

#143fff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #143fff
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 #143fff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/143fff-9c9fc4-df7e4e-231f2d-e9eef1?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