Color

#234ea4

#234ea4
hex#234ea4
rgbrgb(35, 78, 164)
hslhsl(220, 65%, 39%)
oklchoklch(0.445 0.147 262.2)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0849

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a47923

#238fa4 · #3823a4

#a4234e · #4ea423

Split-complementary

Open in tool →

#a43823 · #8fa423

#a4238f · #a47923 · #23a438

Contrast

#234ea4 as textRatioAAAA largeAAAFix
Aaon white
7.79:1passpasspassPasses AAA — no fix needed.
Aaon black
2.7:1failfailfail
  • AA: use #4273d7 as the text (4.67:1)
  • AAA: use #7096e1 as the text (7.14:1)
  • AA: or shift the background to #c7c7c7 (4.61:1)
  • AAA: or shift the background to #f5f5f5 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #234ea4 as the background.

Brands using this color

Fonts for this mood

#234ea4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #234ea4
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 #234ea4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/234ea4-9ca5c4-df694e-211f2d-e9f0f1?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