Color

#1c305f

#1c305f
hex#1c305f
rgbrgb(28, 48, 95)
hslhsl(222, 54%, 24%)
oklchoklch(0.32 0.087 264.6)
Closest name: Marine (#042e60)Relative luminance 0.0319

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e4a1c

#1c515e · #291c5e

#5e1c30 · #305e1c

Split-complementary

Open in tool →

#5e291c · #515e1c

#5e1c51 · #5e4a1c · #1c5e29

Contrast

#1c305f as textRatioAAAA largeAAAFix
Aaon white
12.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.64:1failfailfail
  • AA: use #4e73ca as the text (4.63:1)
  • AAA: use #7996d7 as the text (7.16:1)
  • AA: or shift the background to #999999 (4.5:1)
  • AAA: or shift the background to #c2c2c2 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c305f 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

#1c305f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c305f
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 #1c305f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c305f-9ca3c4-df6e4e-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