Color

#331a4c

#331a4c
hex#331a4c
rgbrgb(51, 26, 76)
hslhsl(270, 49%, 20%)
oklchoklch(0.28 0.09 304.2)
Closest name: Fabric of Space (#341758)Relative luminance 0.0196

Tints & shades

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

Harmonies

Complementary

Open in tool →

#334c1a

#1a1a4c · #4c1a4c

#4c331a · #1a4c33

Split-complementary

Open in tool →

#4c4c1a · #1a4c1a

#4c1a1a · #334c1a · #1a4c4c

Contrast

#331a4c as textRatioAAAA largeAAAFix
Aaon white
15.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #915cc7 as the text (4.56:1)
  • AAA: use #ad85d5 as the text (7.09:1)
  • AA: or shift the background to #8f8f8f (4.66:1)
  • AAA: or shift the background to #b3b3b3 (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 #331a4c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#331a4c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #331a4c
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 #331a4c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/331a4c-b59cc4-c9cb62-2c1f2d-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