Color

#271c8d

#271c8d
hex#271c8d
rgbrgb(39, 28, 141)
hslhsl(246, 67%, 33%)
oklchoklch(0.335 0.174 275.8)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0318

Tints & shades

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

Harmonies

Complementary

Open in tool →

#818d1c

#1c498d · #5f1c8d

#8d271c · #1c8d27

Split-complementary

Open in tool →

#8d5f1c · #498d1c

#8d1c49 · #818d1c · #1c8d5f

Contrast

#271c8d as textRatioAAAA largeAAAFix
Aaon white
12.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.64:1failfailfail
  • AA: use #7266e1 as the text (4.7:1)
  • AAA: use #958ce8 as the text (7.19:1)
  • AA: or shift the background to #999999 (4.5:1)
  • AAA: or shift the background to #c2c2c2 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #271c8d 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

#271c8d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #271c8d
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 #271c8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271c8d-a59cc4-dfa74e-271f2d-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