Arctic
Open in tool →Navy type on white with an ice-blue accent: crisp and corporate without going grey.
Color
#0fa9eb
#0fa9eb
hex
#0fa9ebrgb
rgb(15, 169, 235)hsl
hsl(198, 88%, 49%)oklch
oklch(0.695 0.147 235.9)Closest name: Cerulean (#55aaee)Relative luminance 0.3448
Colors that go with #0fa9eb
Charcoal, Amber and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #0fa9eb: softer than #000 and cool enough to feel like part of the same palette.
Amber #ffbf00
shippedAmber is paired with #0fa9eb in 5 real palettes, including Salesforce's brand system and NBA's brand system, as the accent.
Blue #0000ff
shipped4 real palettes, including Warp's brand system and Unity's brand system put Blue beside #0fa9eb, as the supporting colour.
Dark Orange #ff8c00
shippedDark Orange shows up next to #0fa9eb in 5 real palettes, including Elastic's brand system and Learning App, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #0fa9eb: 6 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the accent.
Midnight Blue #191970
shipped6 real palettes, including Kraken's brand system and Confluent's brand system put Midnight Blue beside #0fa9eb, as the lead colour.
Orange Red #ff4500
shippedOrange Red is paired with #0fa9eb in 7 real palettes, including Cursor's brand system and Figma's brand system, as the lead colour.
Tomato #ff6347
split-complementshippedTomato is a split-complement of #0fa9eb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #0fa9eb
Tints & shades
Harmonies
Contrast
| #0fa9eb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.66:1 | fail | fail | fail | |
Aaon black | 7.9:1 | pass | pass | pass | Passes 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 #0fa9eb as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#0fa9eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #0fa9eb
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #0fa9eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/0fa9eb-9cb3c4-df4e69-1f232d-e9f1f0?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md