Color

#2a0183

#2a0183
hex#2a0183
rgbrgb(42, 1, 131)
hslhsl(259, 98%, 26%)
oklchoklch(0.301 0.179 281.4)
Closest name: Child of the Night (#220077)Relative luminance 0.0215

Colors that go with #2a0183

Charcoal, Cobalt Blue and Crimson 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 →

#5a8301

#011983 · #6b0183

#832a01 · #01832a

Split-complementary

Open in tool →

#836b01 · #198301

#830119 · #5a8301 · #01836b

Contrast

#2a0183 as textRatioAAAA largeAAAFix
Aaon white
14.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #864efd as the text (4.52:1)
  • AAA: use #a881fe as the text (7.24:1)
  • AA: or shift the background to #8f8f8f (4.54:1)
  • AAA: or shift the background to #b3b3b3 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a0183 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

#2a0183 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a0183
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 #2a0183 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a0183-ad9cc4-dfc74e-2a1f2d-e9ebf1?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