Color

#2b445e

#2b445e
hex#2b445e
rgbrgb(43, 68, 94)
hslhsl(211, 37%, 27%)
oklchoklch(0.378 0.054 250.4)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0546

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e462b

#2b5d5e · #2c2b5e

#5e2b44 · #445e2b

Split-complementary

Open in tool →

#5e2c2b · #5d5e2b

#5e2b5d · #5e462b · #2b5e2c

Contrast

#2b445e as textRatioAAAA largeAAAFix
Aaon white
10.04:1passpasspassPasses AAA — no fix needed.
Aaon black
2.09:1failfailfail
  • AA: use #4d79a8 as the text (4.62:1)
  • AAA: use #779ac0 as the text (7.17:1)
  • AA: or shift the background to #b0b0b0 (4.63:1)
  • AAA: or shift the background to #d9d9d9 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b445e as the background.

Brands using this color

Fonts for this mood

#2b445e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b445e
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 #2b445e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b445e-9cabc4-df534e-1f202d-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