Color

#2d33ae

#2d33ae
hex#2d33ae
rgbrgb(45, 51, 174)
hslhsl(237, 59%, 43%)
oklchoklch(0.408 0.191 272.1)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0598

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aea82d

#2d74ae · #672dae

#ae2d33 · #33ae2d

Split-complementary

Open in tool →

#ae672d · #74ae2d

#ae2d74 · #aea82d · #2dae67

Contrast

#2d33ae as textRatioAAAA largeAAAFix
Aaon white
9.56:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #656bd7 as the text (4.64:1)
  • AAA: use #898ee1 as the text (7.02:1)
  • AA: or shift the background to #b3b3b3 (4.56:1)
  • AAA: or shift the background to #dedede (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 #2d33ae 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

#2d33ae reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d33ae
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 #2d33ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d33ae-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