Color

#37136c

#37136c
hex#37136c
rgbrgb(55, 19, 108)
hslhsl(264, 70%, 25%)
oklchoklch(0.304 0.141 294.8)
Closest name: Galactic Federation (#330077)Relative luminance 0.0236

Tints & shades

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

Harmonies

Complementary

Open in tool →

#496c13

#131c6c · #63136c

#6c3713 · #136c37

Split-complementary

Open in tool →

#6c6313 · #1c6c13

#6c131c · #496c13 · #136c63

Contrast

#37136c as textRatioAAAA largeAAAFix
Aaon white
14.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.47:1failfailfail
  • AA: use #8e56e1 as the text (4.57:1)
  • AAA: use #ab81e9 as the text (7.05:1)
  • AA: or shift the background to #919191 (4.53:1)
  • AAA: or shift the background to #b8b8b8 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37136c 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

#37136c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37136c
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 #37136c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37136c-b19cc4-dfd34e-2b1f2d-e9eaf1?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