Firebrick colour (#B22222)
Firebrick is medium a red with hex code #B22222, one of the 148 named colours every browser understands, so you can write color: ${name} directly in CSS. In RGB it is 178, 34, 34; in HSL 0°, 68%, 42%. Use the tool to explore shades and harmonies.
How to use the Firebrick colour
- The colour is pre-filled; click Explore to see all formats, shades and harmonies.
- Edit the value to try a variation.
- Copy the code you need.
Firebrick in every format
| Format | Value |
|---|---|
| HEX | #B22222 |
| RGB | rgb(178, 34, 34) |
| RGB (0–1) | 0.698, 0.133, 0.133 |
| HSL | hsl(0, 68%, 42%) |
| CMYK (approx.) | 0%, 81%, 81%, 30% |
| CSS | color: firebrick; |
Shades and tints of Firebrick
Same hue and saturation, lightness from 90% to 10%:
#f7d4d4 | #efa9a9 | #e77e7e | #de5454 | #d62929 | #ab2121 | #811818 | #561010 | #2b0808 |
Colours that go with Firebrick
| Harmony | Colours | |
|---|---|---|
| Complementary | #22b4b4 | |
| Triadic | #22b422 | #2222b4 |
| Analogous | #b46b22 | #b4226b |
Similar named colours
The closest CSS named colours by RGB distance, useful when you need a keyword instead of a hex code or want a near match:
| Colour | HEX | Difference |
|---|---|---|
| brown | #a52a2a | very close |
| crimson | #dc143c | close |
| sienna | #a0522d | close |
| saddlebrown | #8b4513 | close |
| darkred | #8b0000 | close |
Accessibility
Contrast ratio of Firebrick against white is 6.68:1 (passes WCAG AA for normal text) and against black 3.14:1 (fails). Use Firebrick for text on white backgrounds.
Frequently asked questions
What is the hex code for Firebrick?
#B22222.
What is Firebrick in RGB?
rgb(178, 34, 34).
What colour is complementary to Firebrick?
#22b4b4, directly opposite on the colour wheel.
Privacy
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Last updated 2026-09-23.