Color

#1c39a0

#1c39a0
hex#1c39a0
rgbrgb(28, 57, 160)
hslhsl(227, 70%, 37%)
oklchoklch(0.396 0.17 266.2)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0571

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a0841c

#1c7ba0 · #421ca0

#a01c39 · #39a01c

Split-complementary

Open in tool →

#a0421c · #7ba01c

#a01c7b · #a0841c · #1ca042

Contrast

#1c39a0 as textRatioAAAA largeAAAFix
Aaon white
9.8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #4d6de0 as the text (4.58:1)
  • AAA: use #7991e7 as the text (7.02:1)
  • AA: or shift the background to #b0b0b0 (4.52:1)
  • AAA: or shift the background to #dbdbdb (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c39a0 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

#1c39a0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c39a0
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 #1c39a0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c39a0-9ca0c4-df7a4e-221f2d-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