Color

#4148aa

#4148aa
hex#4148aa
rgbrgb(65, 72, 170)
hslhsl(236, 45%, 46%)
oklchoklch(0.453 0.155 275.3)
Closest name: Blueberry (#464196)Relative luminance 0.0866

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aaa341

#417caa · #6e41aa

#aa4148 · #48aa41

Split-complementary

Open in tool →

#aa6e41 · #7caa41

#aa417c · #aaa341 · #41aa6e

Contrast

#4148aa as textRatioAAAA largeAAAFix
Aaon white
7.69:1passpasspassPasses AAA — no fix needed.
Aaon black
2.73:1failfailfail
  • AA: use #676ec5 as the text (4.61:1)
  • AAA: use #8c91d4 as the text (7.12:1)
  • AA: or shift the background to #c7c7c7 (4.55:1)
  • AAA: or shift the background to #f5f5f5 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4148aa 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

#4148aa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4148aa
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 #4148aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4148aa-9e9cc4-df8f4e-241f2d-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