Ember
Open in tool →Flame orange on charcoal — the sports and energy palette; one accent yellow for stats and highlights.
Color
#fc5822
#fc5822
hex
#fc5822rgb
rgb(252, 88, 34)hsl
hsl(15, 97%, 56%)oklch
oklch(0.675 0.209 37)Closest name: orangered (#ff4500)Relative luminance 0.2779
Colors that go with #fc5822
Cadet Blue, Charcoal 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.
Cadet Blue #5f9ea0
complementaryshippedCadet Blue sits directly opposite #fc5822 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #fc5822: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Amber #ffbf00
shippedAmber is paired with #fc5822 in 6 real palettes, including Heatwave and Ember, as the supporting colour.
Blue #0000ff
shipped7 real palettes, including Readymag's brand system and Monzo's brand system put Blue beside #fc5822, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #fc5822 in 5 real palettes, including Wise's brand system and Redfin's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #fc5822: 10 real palettes, including Strava's brand system and Soundcloud's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #fc5822: 8 real palettes, including Readymag's brand system and Heatwave, as the lead colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #fc5822: 4 real palettes, including Ember and Maple, as the supporting colour.
Real palettes that use #fc5822
Tints & shades
Harmonies
Contrast
| #fc5822 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.2:1 | fail | pass | fail | |
Aaon black | 6.56:1 | 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 #fc5822 as the background.
Brands using this color
- Prepare your taste buds...primary · #fc5404 · Δ1.01
- Stravaprimary · #fc5404 · Δ1.01
- Substackprimary · #fc5404 · Δ1.01
- Soundcloudsecondary · #ff5500 · Δ1.074
- Intercomsecondary · #ff5600 · Δ1.085
- Cloudflaresecondary · #ff5e1f · Δ1.324
- Readymagaccent · #ff5000 · Δ1.336
- PlanetScaleprimary · #f35815 · Δ1.847
- PlanetScalesecondary · #f35815 · Δ1.847
- Together AIprimary · #fc4c02 · Δ1.848
- Tideaccent · #fb4c06 · Δ1.899
Palettes built around it
Night Market
Open in tool →Orange, magenta and yellow neon on aubergine-black — the street-sign palette for food, nightlife and events.
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.
Fonts for this mood
#fc5822 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #fc5822
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 #fc5822 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/fc5822-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