Color

#334157

#334157
hex#334157
rgbrgb(51, 65, 87)
hslhsl(217, 26%, 27%)
oklchoklch(0.373 0.042 259.3)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0517

Tints & shades

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

Harmonies

Complementary

Open in tool →

#574933

#335357 · #373357

#573341 · #415733

Split-complementary

Open in tool →

#573733 · #535733

#573353 · #574933 · #335737

Contrast

#334157 as textRatioAAAA largeAAAFix
Aaon white
10.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #5e78a1 as the text (4.68:1)
  • AAA: use #8598b7 as the text (7.17:1)
  • AA: or shift the background to #adadad (4.6:1)
  • AAA: or shift the background to #d6d6d6 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #334157 as the background.

Brands using this color

Fonts for this mood

#334157 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #334157
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 #334157 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/334157-9ca7c4-df624e-201f2d-e9f0f1?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