Color

#1f41ea

#1f41ea
hex#1f41ea
rgbrgb(31, 65, 234)
hslhsl(230, 83%, 52%)
oklchoklch(0.485 0.252 266.2)
Closest name: C64 Blue (#003aff)Relative luminance 0.1001

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eac81f

#1fa6ea · #631fea

#ea1f41 · #41ea1f

Split-complementary

Open in tool →

#ea631f · #a6ea1f

#ea1fa6 · #eac81f · #1fea63

Contrast

#1f41ea as textRatioAAAA largeAAAFix
Aaon white
6.99:1passpassfail
  • AAA: use #1a3dea as the text (7.24:1)
Aaon black
3:1failpassfail
  • AA: use #4e68ef as the text (4.55:1)
  • AAA: use #7c90f3 as the text (7.14:1)
  • AA: or shift the background to #d1d1d1 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f41ea 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

#1f41ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f41ea
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 #1f41ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f41ea-9c9ec4-df814e-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