Color

#35374b

#35374b
hex#35374b
rgbrgb(53, 55, 75)
hslhsl(235, 17%, 25%)
oklchoklch(0.344 0.035 279.9)
Closest name: Call It a Night (#42364c)Relative luminance 0.04

Colors that go with #35374b

Dark Olive Green, Steel Blue and Teal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4b4935

#35424b · #3e354b

#4b3537 · #374b35

Split-complementary

Open in tool →

#4b3e35 · #424b35

#4b3542 · #4b4935 · #354b3e

Contrast

#35374b as textRatioAAAA largeAAAFix
Aaon white
11.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #707399 as the text (4.6:1)
  • AAA: use #9193b1 as the text (7.01:1)
  • AA: or shift the background to #a1a1a1 (4.52:1)
  • AAA: or shift the background to #c9c9c9 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #35374b as the background.

Brands using this color

Fonts for this mood

#35374b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #35374b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #35374b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/35374b-9e9cc4-df8d4e-241f2d-e9eef1?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