Color

#299ba3

#299ba3
hex#299ba3
rgbrgb(41, 155, 163)
hslhsl(184, 60%, 40%)
oklchoklch(0.632 0.097 202.1)
Closest name: Baltic (#279d9f)Relative luminance 0.2656

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a33129

#29a36e · #295ea3

#a3299b · #9ba329

Split-complementary

Open in tool →

#a3295e · #a36e29

#6e29a3 · #a33129 · #5ea329

Contrast

#299ba3 as textRatioAAAA largeAAAFix
Aaon white
3.33:1failpassfail
  • AA: use #228087 as the text (4.66:1)
  • AAA: use #1a6166 as the text (7.13:1)
  • AA: or shift the background to #262626 (4.55:1)
Aaon black
6.31:1passpassfail
  • AAA: use #2ca7af as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #299ba3 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

#299ba3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #299ba3
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 #299ba3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/299ba3-a2b9be-df4e8a-1f262d-e9f1ee?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