Color

#133fae

#133fae
hex#133fae
rgbrgb(19, 63, 174)
hslhsl(223, 80%, 38%)
oklchoklch(0.418 0.183 263.7)
Closest name: Denim (#2243b6)Relative luminance 0.0675

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ae8213

#138dae · #3513ae

#ae133f · #3fae13

Split-complementary

Open in tool →

#ae3513 · #8dae13

#ae138d · #ae8213 · #13ae35

Contrast

#133fae as textRatioAAAA largeAAAFix
Aaon white
8.94:1passpasspassPasses AAA — no fix needed.
Aaon black
2.35:1failfailfail
  • AA: use #3e6fea as the text (4.67:1)
  • AAA: use #7195ef as the text (7.25:1)
  • AA: or shift the background to #b8b8b8 (4.51:1)
  • AAA: or shift the background to #e6e6e6 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #133fae as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#133fae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #133fae
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 #133fae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/133fae-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