Heatwave
Open in tool →Blaze orange and hot yellow with one cold blue — the high-noon palette; use the blue where the eye needs to rest.
Color
#348ffe
#348ffe
hex
#348ffergb
rgb(52, 143, 254)hsl
hsl(213, 99%, 60%)oklch
oklch(0.654 0.186 255.7)Closest name: dodgerblue (#1e90ff)Relative luminance 0.2753
Colors that go with #348ffe
Charcoal, Medium Sea Green and Tomato 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 #348ffe: softer than #000 and cool enough to feel like part of the same palette.
Medium Sea Green #3cb371
triadicshippedMedium Sea Green completes a triad with #348ffe — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Tomato #ff6347
triadicshippedTomato completes a triad with #348ffe — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #348ffe in 8 real palettes, including Heatwave and Blueprint, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Blue #0000ff
shippedBlue is paired with #348ffe in 10 real palettes, including Unity's brand system and Readymag's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #348ffe in 7 real palettes, including Blue Mono and Carrefour's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Dark Orange #ff8c00
shippedDark Orange is paired with #348ffe in 4 real palettes, including Playground and Elastic's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #348ffe in 6 real palettes, including Figma's brand system and Patreon's brand system — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #348ffe
Tints & shades
Harmonies
Contrast
| #348ffe as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.23:1 | fail | pass | fail | |
Aaon black | 6.51:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #348ffe as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#348ffe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #348ffe
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 #348ffe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/348ffe-9ca9c4-df584e-1f202d-e9f0f1?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