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
#fd5017
#fd5017
hex
#fd5017rgb
rgb(253, 80, 23)hsl
hsl(15, 98%, 54%)oklch
oklch(0.668 0.218 36.3)Closest name: orangered (#ff4500)Relative luminance 0.2668
Colors that go with #fd5017
Charcoal, Cadet Blue 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 body-text near-black for #fd5017: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Cadet Blue #5f9ea0
complementaryshippedCadet Blue sits directly opposite #fd5017 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 #fd5017 in 6 real palettes, including Heatwave and Ember, as the supporting colour.
Blue #0000ff
shipped8 real palettes, including Readymag's brand system and Glossier's brand system put Blue beside #fd5017, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #fd5017 in 6 real palettes, including Wise's brand system and Redfin's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #fd5017: 9 real palettes, including Strava's brand system and Soundcloud's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #fd5017: 8 real palettes, including Heatwave and Readymag's brand system, as the accent.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #fd5017: 5 real palettes, including Ember and Maple, as the supporting colour.
Real palettes that use #fd5017
Tints & shades
Harmonies
Contrast
| #fd5017 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.31:1 | fail | pass | fail | |
Aaon black | 6.34:1 | 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 #fd5017 as the background.
Brands using this color
- Readymagaccent · #ff5000 · Δ0.687
- Together AIprimary · #fc4c02 · Δ0.76
- Tideaccent · #fb4c06 · Δ0.838
- Prepare your taste buds...primary · #fc5404 · Δ0.943
- Stravaprimary · #fc5404 · Δ0.943
- Substackprimary · #fc5404 · Δ0.943
- HubSpotsecondary · #ff4800 · Δ1.08
- Soundcloudsecondary · #ff5500 · Δ1.245
- Intercomsecondary · #ff5600 · Δ1.388
- Redditprimary · #ff4500 · Δ1.437
- Cursorprimary · #f54e00 · Δ1.76
- Cursorsecondary · #f54e00 · Δ1.76
- Redditsecondary · #fc4301 · Δ1.837
Palettes built around it
Fonts for this mood
#fd5017 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #fd5017
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 #fd5017 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/fd5017-c4ab9c-62cbb2-2d291f-f1e9eb?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