Color

#2b315e

#2b315e
hex#2b315e
rgbrgb(43, 49, 94)
hslhsl(233, 37%, 27%)
oklchoklch(0.332 0.079 275.5)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0352

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e582b

#2b4b5e · #3f2b5e

#5e2b31 · #315e2b

Split-complementary

Open in tool →

#5e3f2b · #4b5e2b

#5e2b4b · #5e582b · #2b5e3f

Contrast

#2b315e as textRatioAAAA largeAAAFix
Aaon white
12.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.7:1failfailfail
  • AA: use #656fb8 as the text (4.52:1)
  • AAA: use #8c93ca as the text (7.14:1)
  • AA: or shift the background to #9e9e9e (4.6:1)
  • AAA: or shift the background to #c4c4c4 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b315e 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

#2b315e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b315e
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 #2b315e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b315e-9c9cc4-df884e-241f2d-e9eef1?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