Color

#279ee7

#279ee7
hex#279ee7
rgbrgb(39, 158, 231)
hslhsl(203, 80%, 53%)
oklchoklch(0.67 0.147 242.1)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3065

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e77127

#27e7d1 · #273ee7

#e7279e · #9ee727

Split-complementary

Open in tool →

#e7273e · #e7d127

#d127e7 · #e77127 · #3ee727

Contrast

#279ee7 as textRatioAAAA largeAAAFix
Aaon white
2.94:1failfailfail
  • AA: use #157cbc as the text (4.52:1)
  • AAA: use #0f5b8a as the text (7.28:1)
  • AA: or shift the background to #2e2e2e (4.61:1)
  • AAA: or shift the background to #030303 (7:1)
Aaon black
7.13:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #279ee7 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#279ee7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #279ee7
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 #279ee7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/279ee7-9cb0c4-df4e5d-1f222d-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