Color

#30669c

#30669c
hex#30669c
rgbrgb(48, 102, 156)
hslhsl(210, 53%, 40%)
oklchoklch(0.5 0.104 250.7)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1253

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9c6630

#309c9c · #30309c

#9c3066 · #669c30

Split-complementary

Open in tool →

#9c3030 · #9c9c30

#9c309c · #9c6630 · #309c30

Contrast

#30669c as textRatioAAAA largeAAAFix
Aaon white
5.99:1passpassfail
  • AAA: use #2a5989 as the text (7.27:1)
Aaon black
3.51:1failpassfail
  • AA: use #3878b7 as the text (4.54:1)
  • AAA: use #679cd0 as the text (7.24:1)
  • AA: or shift the background to #e0e0e0 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #30669c 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

#30669c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30669c
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 #30669c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30669c-9cabc4-df514e-1f202d-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