Color

#2b2fa6

#2b2fa6
hex#2b2fa6
rgbrgb(43, 47, 166)
hslhsl(238, 59%, 41%)
oklchoklch(0.392 0.185 272.5)
Closest name: Depths of Night (#2c319b)Relative luminance 0.053

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a6a22b

#2b6da6 · #642ba6

#a62b2f · #2fa62b

Split-complementary

Open in tool →

#a6642b · #6da62b

#a62b6d · #a6a22b · #2ba664

Contrast

#2b2fa6 as textRatioAAAA largeAAAFix
Aaon white
10.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.06:1failfailfail
  • AA: use #6569d7 as the text (4.56:1)
  • AAA: use #8d90e2 as the text (7.22:1)
  • AA: or shift the background to #adadad (4.54:1)
  • AAA: or shift the background to #d6d6d6 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b2fa6 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

#2b2fa6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b2fa6
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 #2b2fa6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b2fa6-9f9cc4-df944e-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