Color

#3d4bc7

#3d4bc7
hex#3d4bc7
rgbrgb(61, 75, 199)
hslhsl(234, 55%, 51%)
oklchoklch(0.481 0.191 272)
Closest name: Blurple (#5539cc)Relative luminance 0.1015

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c7b93d

#3d90c7 · #743dc7

#c73d4b · #4bc73d

Split-complementary

Open in tool →

#c7743d · #90c73d

#c73d90 · #c7b93d · #3dc774

Contrast

#3d4bc7 as textRatioAAAA largeAAAFix
Aaon white
6.93:1passpassfail
  • AAA: use #3947c6 as the text (7.26:1)
Aaon black
3.03:1failpassfail
  • AA: use #616cd1 as the text (4.57:1)
  • AAA: use #8891dd as the text (7.14:1)
  • AA: or shift the background to #d1d1d1 (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 #3d4bc7 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

#3d4bc7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d4bc7
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 #3d4bc7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d4bc7-9d9cc4-df8a4e-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