Color

#372d86

#372d86
hex#372d86
rgbrgb(55, 45, 134)
hslhsl(247, 50%, 35%)
oklchoklch(0.366 0.143 281.8)
Closest name: Galactic Civilization (#442288)Relative luminance 0.0441

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7b862d

#2d4f86 · #642d86

#86372d · #2d8637

Split-complementary

Open in tool →

#86642d · #4f862d

#862d4f · #7b862d · #2d8664

Contrast

#372d86 as textRatioAAAA largeAAAFix
Aaon white
11.16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.88:1failfailfail
  • AA: use #756acd as the text (4.7:1)
  • AAA: use #958cd9 as the text (7.03:1)
  • AA: or shift the background to #a6a6a6 (4.58:1)
  • AAA: or shift the background to #cfcfcf (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #372d86 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

#372d86 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #372d86
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 #372d86 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/372d86-a59cc4-dfaa4e-271f2d-e9ecf1?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