Color

#2b474f

#2b474f
hex#2b474f
rgbrgb(43, 71, 79)
hslhsl(193, 30%, 24%)
oklchoklch(0.379 0.036 217.8)
Closest name: Arsenic (#3b444b)Relative luminance 0.0558

Tints & shades

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

Harmonies

Complementary

Open in tool →

#50332b

#2b5045 · #2b3550

#502b48 · #48502b

Split-complementary

Open in tool →

#502b35 · #50452b

#452b50 · #50332b · #35502b

Contrast

#2b474f as textRatioAAAA largeAAAFix
Aaon white
9.92:1passpasspassPasses AAA — no fix needed.
Aaon black
2.12:1failfailfail
  • AA: use #4b7d8b as the text (4.61:1)
  • AAA: use #679ead as the text (7.07:1)
  • AA: or shift the background to #b0b0b0 (4.57:1)
  • AAA: or shift the background to #d9d9d9 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b474f 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

#2b474f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b474f
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 #2b474f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b474f-a2b5be-df4e75-1f242d-e9f1ef?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