Arctic
Open in tool →Navy type on white with an ice-blue accent: crisp and corporate without going grey.
Color
#2aa3ef
#2aa3ef
hex
#2aa3efrgb
rgb(42, 163, 239)hsl
hsl(203, 86%, 55%)oklch
oklch(0.687 0.151 242.5)Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3292
Colors that go with #2aa3ef
Charcoal, Tomato and Amber 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 #2aa3ef: softer than #000 and cool enough to feel like part of the same palette.
Tomato #ff6347
split-complementshippedTomato is a split-complement of #2aa3ef: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #2aa3ef in 7 real palettes, including Salesforce's brand system and NBA's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Blue #0000ff
shippedBlue is paired with #2aa3ef in 7 real palettes, including Unity's brand system and Warp's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Dark Orange #ff8c00
shippedDark Orange is paired with #2aa3ef in 4 real palettes, including Elastic's brand system and Learning App, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #2aa3ef in 6 real palettes, including Apple's brand system and Gopro's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Light Sky Blue #87cefa
shippedLight Sky Blue is paired with #2aa3ef in 4 real palettes, including Calm's brand system and Salesforce's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Medium Sea Green #3cb371
triadicshippedMedium Sea Green completes a triad with #2aa3ef — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use #2aa3ef
Tints & shades
Harmonies
Contrast
| #2aa3ef as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.77:1 | fail | fail | fail | |
Aaon black | 7.58:1 | 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 #2aa3ef as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#2aa3ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #2aa3ef
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 #2aa3ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/2aa3ef-9cb0c4-df4e5d-1f222d-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