Color

#131a67

#131a67
hex#131a67
rgbrgb(19, 26, 103)
hslhsl(235, 69%, 24%)
oklchoklch(0.276 0.132 270.3)
Closest name: midnightblue (#191970)Relative luminance 0.0186

Tints & shades

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

Harmonies

Complementary

Open in tool →

#676013

#134467 · #361367

#67131a · #1a6713

Split-complementary

Open in tool →

#673613 · #446713

#671344 · #676013 · #136736

Contrast

#131a67 as textRatioAAAA largeAAAFix
Aaon white
15.31:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #606ae2 as the text (4.66:1)
  • AAA: use #868fe9 as the text (7.12:1)
  • AA: or shift the background to #8c8c8c (4.55:1)
  • AAA: or shift the background to #b0b0b0 (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 #131a67 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

#131a67 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #131a67
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 #131a67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/131a67-9e9cc4-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