Color

#306d7e

#306d7e
hex#306d7e
rgbrgb(48, 109, 126)
hslhsl(193, 45%, 34%)
oklchoklch(0.502 0.068 218.8)
Closest name: Astral (#376f89)Relative luminance 0.1307

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7e4130

#307e68 · #30467e

#7e306d · #6d7e30

Split-complementary

Open in tool →

#7e3046 · #7e6830

#68307e · #7e4130 · #467e30

Contrast

#306d7e as textRatioAAAA largeAAAFix
Aaon white
5.81:1passpassfail
  • AAA: use #295d6b as the text (7.31:1)
Aaon black
3.61:1failpassfail
  • AA: use #388094 as the text (4.68:1)
  • AAA: use #4aa2ba as the text (7.17:1)
  • AA: or shift the background to #e3e3e3 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #306d7e 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

#306d7e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #306d7e
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 #306d7e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/306d7e-a2b5be-df4e75-1f242d-e9f1ef?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