Color

#45374e

#45374e
hex#45374e
rgbrgb(69, 55, 78)
hslhsl(277, 17%, 26%)
oklchoklch(0.361 0.043 311.8)
Closest name: Call It a Night (#42364c)Relative luminance 0.0455

Tints & shades

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

Harmonies

Complementary

Open in tool →

#404e37

#3a374e · #4e374b

#4e4537 · #374e45

Split-complementary

Open in tool →

#4b4e37 · #374e3a

#4e3a37 · #404e37 · #374b4e

Contrast

#45374e as textRatioAAAA largeAAAFix
Aaon white
11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #876d97 as the text (4.66:1)
  • AAA: use #a28eaf as the text (7.02:1)
  • AA: or shift the background to #a6a6a6 (4.52:1)
  • AAA: or shift the background to #cfcfcf (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #45374e 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

#45374e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #45374e
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 #45374e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45374e-b99cc4-bdcb62-2d1f2c-eae9f1?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