Color

#2d455c

#2d455c
hex#2d455c
rgbrgb(45, 69, 92)
hslhsl(209, 34%, 27%)
oklchoklch(0.381 0.05 248.2)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0559

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c442d

#2d5c5b · #2d2e5c

#5c2d46 · #465c2d

Split-complementary

Open in tool →

#5c2d2e · #5c5b2d

#5b2d5c · #5c442d · #2e5c2d

Contrast

#2d455c as textRatioAAAA largeAAAFix
Aaon white
9.92:1passpasspassPasses AAA — no fix needed.
Aaon black
2.12:1failfailfail
  • AA: use #4f79a1 as the text (4.58:1)
  • AAA: use #769abc as the text (7.12:1)
  • 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 #2d455c as the background.

Brands using this color

Fonts for this mood

#2d455c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d455c
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 #2d455c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d455c-9cacc4-df4e4e-1f212d-e9f1f1?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