Color

#135ea4

#135ea4
hex#135ea4
rgbrgb(19, 94, 164)
hslhsl(209, 79%, 36%)
oklchoklch(0.477 0.132 252)
Closest name: Blue Chip (#1d5699)Relative luminance 0.1082

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a45913

#13a4a2 · #1316a4

#a4135e · #5ea413

Split-complementary

Open in tool →

#a41316 · #a4a213

#a213a4 · #a45913 · #16a413

Contrast

#135ea4 as textRatioAAAA largeAAAFix
Aaon white
6.64:1passpassfail
  • AAA: use #12599b as the text (7.17:1)
Aaon black
3.16:1failpassfail
  • AA: use #1876cd as the text (4.51:1)
  • AAA: use #489cea as the text (7.22:1)
  • AA: or shift the background to #d6d6d6 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #135ea4 as the background.

Brands using this color

Fonts for this mood

#135ea4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #135ea4
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 #135ea4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/135ea4-9cacc4-df4e4e-1f212d-e9f1f1?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