Color

#231c8d

#231c8d
hex#231c8d
rgbrgb(35, 28, 141)
hslhsl(244, 67%, 33%)
oklchoklch(0.332 0.175 274)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0311

Tints & shades

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

Harmonies

Complementary

Open in tool →

#858d1c

#1c4d8d · #5c1c8d

#8d231c · #1c8d23

Split-complementary

Open in tool →

#8d5c1c · #4d8d1c

#8d1c4d · #858d1c · #1c8d5c

Contrast

#231c8d as textRatioAAAA largeAAAFix
Aaon white
12.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #6e66e1 as the text (4.65:1)
  • AAA: use #928ce8 as the text (7.14:1)
  • AA: or shift the background to #999999 (4.54:1)
  • AAA: or shift the background to #bfbfbf (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #231c8d 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

#231c8d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #231c8d
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 #231c8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/231c8d-a39cc4-dfa24e-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