Color

#102ca8

#102ca8
hex#102ca8
rgbrgb(16, 44, 168)
hslhsl(229, 83%, 36%)
oklchoklch(0.378 0.197 265.6)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0474

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a88c10

#1078a8 · #4010a8

#a8102c · #2ca810

Split-complementary

Open in tool →

#a84010 · #78a810

#a81078 · #a88c10 · #10a840

Contrast

#102ca8 as textRatioAAAA largeAAAFix
Aaon white
10.78:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #4e6bef as the text (4.67:1)
  • AAA: use #7c92f3 as the text (7.26:1)
  • AA: or shift the background to #a8a8a8 (4.53:1)
  • AAA: or shift the background to #d1d1d1 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #102ca8 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

#102ca8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #102ca8
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 #102ca8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/102ca8-9c9fc4-df7e4e-231f2d-e9eef1?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