Color

#2427ff

#2427ff
hex#2427ff
rgbrgb(36, 39, 255)
hslhsl(239, 100%, 57%)
oklchoklch(0.48 0.294 267.5)
Closest name: C64 Blue (#003aff)Relative luminance 0.0905

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fffb24

#2495ff · #8e24ff

#ff2427 · #27ff24

Split-complementary

Open in tool →

#ff8e24 · #95ff24

#ff2495 · #fffb24 · #24ff8e

Contrast

#2427ff as textRatioAAAA largeAAAFix
Aaon white
7.48:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #5c5fff as the text (4.54:1)
  • AAA: use #8a8cff as the text (7.28:1)
  • AA: or shift the background to #c9c9c9 (4.51:1)
  • AAA: or shift the background to #fafafa (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2427ff as the background.

Brands using this color

Fonts for this mood

#2427ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2427ff
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 #2427ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2427ff-a09cc4-df964e-251f2d-e9edf1?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