Color

#2d339f

#2d339f
hex#2d339f
rgbrgb(45, 51, 159)
hslhsl(237, 56%, 40%)
oklchoklch(0.393 0.171 272.9)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0543

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9f992d

#2d6c9f · #602d9f

#9f2d33 · #339f2d

Split-complementary

Open in tool →

#9f602d · #6c9f2d

#9f2d6c · #9f992d · #2d9f60

Contrast

#2d339f as textRatioAAAA largeAAAFix
Aaon white
10.07:1passpasspassPasses AAA — no fix needed.
Aaon black
2.09:1failfailfail
  • AA: use #6469d3 as the text (4.5:1)
  • AAA: use #8c90de as the text (7.16:1)
  • AA: or shift the background to #b0b0b0 (4.64:1)
  • AAA: or shift the background to #d9d9d9 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d339f 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

#2d339f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d339f
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 #2d339f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d339f-9f9cc4-df924e-251f2d-e9edf1?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