Color
#1fa5b7
#1fa5b7rgb(31, 165, 183)hsl(187, 71%, 42%)oklch(0.663 0.109 209.2)Colors that go with #1fa5b7
Charcoal, Tomato and Crimson 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 #1fa5b7: softer than #000 and cool enough to feel like part of the same palette.
Tomato #ff6347
complementaryshippedTomato sits directly opposite #1fa5b7 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Crimson #dc143c
shippedCrimson is paired with #1fa5b7 in 4 real palettes, including Diner and Riot Games's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #1fa5b7: 6 real palettes, including Gopro's brand system and Peacock, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #1fa5b7: 5 real palettes, including Figma's brand system and Studio Grey, as the accent.
Midnight Blue #191970
shipped10 real palettes, including Ford's brand system and SoFi's brand system put Midnight Blue beside #1fa5b7, as the lead colour.
Orange #ffa500
shipped5 real palettes, including Gopro's brand system and Mistral AI's brand system put Orange beside #1fa5b7, as the accent.
Orange Red #ff4500
shippedOrange Red is paired with #1fa5b7 in 4 real palettes, including Launch Orange and Cursor's brand system, as the lead colour.
Real palettes that use #1fa5b7
Tints & shades
Harmonies
Contrast
| #1fa5b7 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.95:1 | fail | fail | fail | |
Aaon black | 7.12:1 | 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 #1fa5b7 as the background.
Brands using this color
Fonts for this mood
#1fa5b7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
Point 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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #1fa5b7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/1fa5b7-a2b8be-df4e83-1f262d-e9f1ee?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