Color

#37044e

#37044e
hex#37044e
rgbrgb(55, 4, 78)
hslhsl(281, 90%, 16%)
oklchoklch(0.26 0.124 311.5)
Closest name: Hollow Knight (#330055)Relative luminance 0.0145

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b4e04

#12044e · #4e0440

#4e3604 · #044e36

Split-complementary

Open in tool →

#404e04 · #044e12

#4e1204 · #1b4e04 · #04404e

Contrast

#37044e as textRatioAAAA largeAAAFix
Aaon white
16.28:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #b42af4 as the text (4.58:1)
  • AAA: use #cc6ef7 as the text (7.14:1)
  • AA: or shift the background to #878787 (4.53:1)
  • AAA: or shift the background to #ababab (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37044e 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

#37044e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37044e
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 #37044e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37044e-ba9fc1-b6cb62-2d1f2c-ebe9f1?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