Color

#131a35

#131a35
hex#131a35
rgbrgb(19, 26, 53)
hslhsl(228, 47%, 14%)
oklchoklch(0.227 0.053 270.7)
Closest name: Dark Knight (#151931)Relative luminance 0.0113

Colors that go with #131a35

Charcoal, Dark Olive Green and Sea Green 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 →

#342e13

#132a34 · #1d1334

#34131a · #1a3413

Split-complementary

Open in tool →

#341d13 · #2a3413

#34132a · #342e13 · #13341d

Contrast

#131a35 as textRatioAAAA largeAAAFix
Aaon white
17.12:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #5a6fc4 as the text (4.51:1)
  • AAA: use #8393d2 as the text (7.07:1)
  • AA: or shift the background to #858585 (4.64:1)
  • AAA: or shift the background to #a6a6a6 (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 #131a35 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#131a35 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #131a35
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 #131a35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/131a35-9c9fc4-df7c4e-231f2d-e9eff1?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