Color

#31285c

#31285c
hex#31285c
rgbrgb(49, 40, 92)
hslhsl(250, 39%, 26%)
oklchoklch(0.316 0.089 288.1)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0294

Tints & shades

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

Harmonies

Complementary

Open in tool →

#545c28

#283a5c · #4b285c

#5c3128 · #285c31

Split-complementary

Open in tool →

#5c4b28 · #3a5c28

#5c283a · #545c28 · #285c4b

Contrast

#31285c as textRatioAAAA largeAAAFix
Aaon white
13.22:1passpasspassPasses AAA — no fix needed.
Aaon black
1.59:1failfailfail
  • AA: use #786abe as the text (4.6:1)
  • AAA: use #988ecd as the text (7.09:1)
  • AA: or shift the background to #999999 (4.64:1)
  • AAA: or shift the background to #bdbdbd (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31285c 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

#31285c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #31285c
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 #31285c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31285c-a79cc4-dfb14e-281f2d-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