Deep Water
Open in tool →Cyan and mid-blue on abyss navy with a foam highlight — the ocean at depth; the darker the surface, the brighter the water.
Color
#31aed8
#31aed8
hex
#31aed8rgb
rgb(49, 174, 216)hsl
hsl(195, 68%, 52%)oklch
oklch(0.702 0.121 225.7)Closest name: Aquarius (#2db0ce)Relative luminance 0.3588
Colors that go with #31aed8
Charcoal, Amber and Dark Orange 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 #31aed8: softer than #000 and cool enough to feel like part of the same palette.
Amber #ffbf00
shippedAmber is paired with #31aed8 in 5 real palettes, including Salesforce's brand system and Blueprint, as the accent — a combination designers have actually shipped, not a computed rotation.
Dark Orange #ff8c00
shippedDark Orange is paired with #31aed8 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 #31aed8 in 6 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #31aed8 in 8 real palettes, including Confluent's brand system and Ford's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #31aed8 in 4 real palettes, including Cursor's brand system and Figma's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #31aed8 in 7 real palettes, including Confluent's brand system and Elastic's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Coral #ff7f50
complementaryCoral sits directly opposite #31aed8 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #31aed8
Tints & shades
Harmonies
Contrast
| #31aed8 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.57:1 | fail | fail | fail | |
Aaon black | 8.18:1 | 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 #31aed8 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#31aed8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #31aed8
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 #31aed8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/31aed8-9cb5c4-df4e70-1f242d-e9f1ef?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