Color

#2a3aa2

#2a3aa2
hex#2a3aa2
rgbrgb(42, 58, 162)
hslhsl(232, 59%, 40%)
oklchoklch(0.406 0.168 270.2)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0613

Colors that go with #2a3aa2

Charcoal, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a2922a

#2a76a2 · #562aa2

#a22a3a · #3aa22a

Split-complementary

Open in tool →

#a2562a · #76a22a

#a22a76 · #a2922a · #2aa256

Contrast

#2a3aa2 as textRatioAAAA largeAAAFix
Aaon white
9.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #5d6dd5 as the text (4.61:1)
  • AAA: use #8591e0 as the text (7.12:1)
  • AA: or shift the background to #b3b3b3 (4.5:1)
  • AAA: or shift the background to #dedede (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 #2a3aa2 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

#2a3aa2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a3aa2
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2a3aa2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a3aa2-9c9dc4-df864e-231f2d-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