Color

#31094e

#31094e
hex#31094e
rgbrgb(49, 9, 78)
hslhsl(275, 79%, 17%)
oklchoklch(0.256 0.116 305.5)
Closest name: Hollow Knight (#330055)Relative luminance 0.014

Tints & shades

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

Harmonies

Complementary

Open in tool →

#264e09

#0f094e · #4e0948

#4e3109 · #094e31

Split-complementary

Open in tool →

#484e09 · #094e0f

#4e0f09 · #264e09 · #09484e

Contrast

#31094e as textRatioAAAA largeAAAFix
Aaon white
16.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #a444e9 as the text (4.58:1)
  • AAA: use #bd76ef as the text (7:1)
  • AA: or shift the background to #878787 (4.57:1)
  • AAA: or shift the background to #ababab (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31094e 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

#31094e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #31094e
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 #31094e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31094e-b89cc4-c0cb62-2d1f2d-eae9f1?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