Color

#371c4f

#371c4f
hex#371c4f
rgbrgb(55, 28, 79)
hslhsl(272, 48%, 21%)
oklchoklch(0.291 0.092 305.9)
Closest name: Fabric of Space (#341758)Relative luminance 0.0221

Tints & shades

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

Harmonies

Complementary

Open in tool →

#344f1c

#1e1c4f · #4f1c4e

#4f371c · #1c4f37

Split-complementary

Open in tool →

#4e4f1c · #1c4f1e

#4f1e1c · #344f1c · #1c4e4f

Contrast

#371c4f as textRatioAAAA largeAAAFix
Aaon white
14.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #955dc6 as the text (4.66:1)
  • AAA: use #b086d5 as the text (7.22:1)
  • AA: or shift the background to #8f8f8f (4.5:1)
  • AAA: or shift the background to #b5b5b5 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #371c4f 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

#371c4f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #371c4f
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 #371c4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/371c4f-b69cc4-c5cb62-2d1f2d-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