Color

#2e3457

#2e3457
hex#2e3457
rgbrgb(46, 52, 87)
hslhsl(231, 31%, 26%)
oklchoklch(0.337 0.062 275.2)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0372

Colors that go with #2e3457

Dark Olive Green, Sea Green and Steel Blue 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 →

#57512e

#2e4857 · #3c2e57

#572e34 · #34572e

Split-complementary

Open in tool →

#573c2e · #48572e

#572e48 · #57512e · #2e573c

Contrast

#2e3457 as textRatioAAAA largeAAAFix
Aaon white
12.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.74:1failfailfail
  • AA: use #6973b0 as the text (4.68:1)
  • AAA: use #8d95c3 as the text (7.22:1)
  • AA: or shift the background to #a1a1a1 (4.66:1)
  • AAA: or shift the background to #c7c7c7 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e3457 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

#2e3457 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e3457
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 #2e3457 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e3457-9c9ec4-df834e-231f2d-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