Color

#3f094e

#3f094e
hex#3f094e
rgbrgb(63, 9, 78)
hslhsl(287, 79%, 17%)
oklchoklch(0.278 0.121 317.4)
Closest name: Romanic Scene (#3b0346)Relative luminance 0.018

Tints & shades

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

Harmonies

Complementary

Open in tool →

#184e09

#1d094e · #4e093a

#4e3f09 · #094e3f

Split-complementary

Open in tool →

#3a4e09 · #094e1d

#4e1d09 · #184e09 · #093a4e

Contrast

#3f094e as textRatioAAAA largeAAAFix
Aaon white
15.44:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #bd28e6 as the text (4.61:1)
  • AAA: use #d26dee as the text (7.16:1)
  • AA: or shift the background to #8c8c8c (4.59:1)
  • AAA: or shift the background to #b0b0b0 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f094e 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

#3f094e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f094e
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 #3f094e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f094e-bd9fc1-abcb62-2d1f2a-ece9f1?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