Arctic
Open in tool →Navy type on white with an ice-blue accent: crisp and corporate without going grey.
Color
#0ba3ea
#0ba3ea
hex
#0ba3eargb
rgb(11, 163, 234)hsl
hsl(199, 91%, 48%)oklch
oklch(0.68 0.151 238.7)Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3221
Colors that go with #0ba3ea
Charcoal, Tomato and Bronze 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 #0ba3ea: softer than #000 and cool enough to feel like part of the same palette.
Tomato #ff6347
split-complementshippedTomato is a split-complement of #0ba3ea: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Bronze #cd7f32
complementaryshippedBronze sits directly opposite #0ba3ea on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #0ba3ea in 9 real palettes, including Salesforce's brand system and Heatwave, as the accent.
Blue #0000ff
shipped7 real palettes, including Unity's brand system and Readymag's brand system put Blue beside #0ba3ea, as the supporting colour.
Dark Orange #ff8c00
shippedDark Orange shows up next to #0ba3ea in 4 real palettes, including Elastic's brand system and Learning App, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #0ba3ea: 9 real palettes, including Gopro's brand system and Apple's brand system, as the lead colour.
Light Sky Blue #87cefa
shippedLight Sky Blue is paired with #0ba3ea in 4 real palettes, including Calm's brand system and Salesforce's brand system, as the supporting colour.
Real palettes that use #0ba3ea
Tints & shades
Harmonies
Contrast
| #0ba3ea as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.82:1 | fail | fail | fail | |
Aaon black | 7.44:1 | 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 #0ba3ea as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#0ba3ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #0ba3ea
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 #0ba3ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/0ba3ea-9cb3c4-df4e66-1f232d-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