Color

#1978a4

#1978a4
hex#1978a4
rgbrgb(25, 120, 164)
hslhsl(199, 74%, 37%)
oklchoklch(0.542 0.107 234.9)
Closest name: Bleu Ciel (#007ba1)Relative luminance 0.1632

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a44519

#19a48b · #1932a4

#a41978 · #78a419

Split-complementary

Open in tool →

#a41932 · #a48b19

#8b19a4 · #a44519 · #32a419

Contrast

#1978a4 as textRatioAAAA largeAAAFix
Aaon white
4.92:1passpassfail
  • AAA: use #135e81 as the text (7.13:1)
Aaon black
4.26:1failpassfail
  • AA: use #1a7ead as the text (4.63:1)
  • AAA: use #209fd9 as the text (7.02:1)
  • AA: or shift the background to #f5f5f5 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1978a4 as the background.

Brands using this color

Fonts for this mood

#1978a4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1978a4
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 #1978a4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1978a4-9cb3c4-df4e66-1f232d-e9f1f0?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