Color

#27273a

#27273a
hex#27273a
rgbrgb(39, 39, 58)
hslhsl(240, 20%, 19%)
oklchoklch(0.282 0.035 283.9)
Closest name: Midnight Express (#21263a)Relative luminance 0.0219

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a3a27

#27303a · #30273a

#3a2727 · #273a27

Split-complementary

Open in tool →

#3a3027 · #303a27

#3a2730 · #3a3a27 · #273a30

Contrast

#27273a as textRatioAAAA largeAAAFix
Aaon white
14.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #7272a1 as the text (4.64:1)
  • AAA: use #9494b8 as the text (7.19:1)
  • AA: or shift the background to #8f8f8f (4.52:1)
  • AAA: or shift the background to #b5b5b5 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #27273a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#27273a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #27273a
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 #27273a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/27273a-a19cc4-df994e-251f2d-e9edf1?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