Color

#272b4e

#272b4e
hex#272b4e
rgbrgb(39, 43, 78)
hslhsl(234, 33%, 23%)
oklchoklch(0.304 0.063 277)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0271

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e4a27

#273f4e · #37274e

#4e272b · #2b4e27

Split-complementary

Open in tool →

#4e3727 · #3f4e27

#4e273f · #4e4a27 · #274e37

Contrast

#272b4e as textRatioAAAA largeAAAFix
Aaon white
13.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #6a71b4 as the text (4.63:1)
  • AAA: use #8f95c7 as the text (7.29:1)
  • AA: or shift the background to #969696 (4.6:1)
  • AAA: or shift the background to #bababa (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #272b4e 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

#272b4e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #272b4e
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 #272b4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/272b4e-9d9cc4-df8a4e-241f2d-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