Color

#231e76

#231e76
hex#231e76
rgbrgb(35, 30, 118)
hslhsl(243, 59%, 29%)
oklchoklch(0.31 0.143 276.5)
Closest name: midnightblue (#191970)Relative luminance 0.0259

Tints & shades

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

Harmonies

Complementary

Open in tool →

#71761e

#1e4676 · #4e1e76

#76231e · #1e7623

Split-complementary

Open in tool →

#764e1e · #46761e

#761e46 · #71761e · #1e764e

Contrast

#231e76 as textRatioAAAA largeAAAFix
Aaon white
13.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.52:1failfailfail
  • AA: use #6f69d8 as the text (4.69:1)
  • AAA: use #928de2 as the text (7.13:1)
  • AA: or shift the background to #949494 (4.56:1)
  • AAA: or shift the background to #bababa (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 #231e76 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

#231e76 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #231e76
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 #231e76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/231e76-a39cc4-dfa04e-261f2d-e9edf1?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