Color

#27157a

#27157a
hex#27157a
rgbrgb(39, 21, 122)
hslhsl(251, 71%, 28%)
oklchoklch(0.305 0.157 279.8)
Closest name: midnightblue (#191970)Relative luminance 0.0237

Colors that go with #27157a

Charcoal, Steel Blue and 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 →

#687a15

#15357a · #5a157a

#7a2715 · #157a27

Split-complementary

Open in tool →

#7a5a15 · #357a15

#7a1535 · #687a15 · #157a5a

Contrast

#27157a as textRatioAAAA largeAAAFix
Aaon white
14.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.47:1failfailfail
  • AA: use #7a62e4 as the text (4.69:1)
  • AAA: use #9b89eb as the text (7.17:1)
  • AA: or shift the background to #919191 (4.52:1)
  • AAA: or shift the background to #b8b8b8 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #27157a 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

#27157a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #27157a
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 #27157a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/27157a-a89cc4-dfb34e-281f2d-e9ecf1?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