Color

#233b76

#233b76
hex#233b76
rgbrgb(35, 59, 118)
hslhsl(223, 54%, 30%)
oklchoklch(0.367 0.105 265)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0479

Tints & shades

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

Harmonies

Complementary

Open in tool →

#765e23

#236476 · #352376

#76233b · #3b7623

Split-complementary

Open in tool →

#763523 · #647623

#762364 · #765e23 · #237635

Contrast

#233b76 as textRatioAAAA largeAAAFix
Aaon white
10.72:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #4e71ca as the text (4.54:1)
  • AAA: use #7994d7 as the text (7.03:1)
  • AA: or shift the background to #a8a8a8 (4.51:1)
  • AAA: or shift the background to #d1d1d1 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #233b76 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

#233b76 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #233b76
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 #233b76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/233b76-9ca3c4-df704e-211f2d-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