Fire Brick (#B22222)
The hex code for Fire Brick is #B22222. It is rgb(178, 34, 34) in RGB, hsl(0, 68%, 42%) in HSL, and about cmyk(0%, 81%, 81%, 30%) in CMYK — a mid-tone red. White text is the more readable choice on this background.
#B22222rgb(178, 34, 34)hsl(0, 68%, 42%)hsv(0, 81%, 70%)cmyk(0%, 81%, 81%, 30%)oklch(49.7% 0.18 26.8)lab(39.83% 56.59 39.19)lch(39.83% 68.83 34.70)Colors Closest to Fire Brick
Fire Brick is a registered color name. These are the named colors nearest to it, measured as CIE76 distance in CIELAB — a perceptual scale, so the ordering matches what the eye sees rather than how close the raw RGB numbers happen to sit.
Browse the full index of named colors A-Z or every red in the library.
#B22222 Channel Values
How Fire Brick breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 178 · G 34 · B 34 | 8-bit channels as sent to the display |
| HSL | H 0° · S 68% · L 42% | Easiest model for building lighter and darker variants |
| HSV | H 0° · S 81% · V 70% | Matches the picker in most design tools |
| CMYK | C 0% · M 81% · Y 81% · K 30% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.68:1 vs white · 3.14:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a Fire Brick background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #B22222 in the contrast checker.
Colors That Go With Fire Brick
Pairings derived from color-wheel relationships. The complementary color sits opposite Fire Brick; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of Fire Brick
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #B22222.
How Fire Brick Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#B22222#54541F#844521#6F6F0D#8F5A17#B22222#B22222#5C5C5CUsing #B22222 in Code
Copy-ready declarations for the places this color usually ends up.
--fire-brick: #B22222;background-color: #B22222;colors: { 'fire-brick': '#B22222' }Color(red: 0.698, green: 0.133, blue: 0.133)<color name="fire_brick">#B22222</color>fill="#B22222"More Red Colors
Fire Brick sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.
#B22222 Frequently Asked Questions
What is the hex code for Fire Brick?
The hex code for Fire Brick is #B22222. That is rgb(178, 34, 34) in RGB, hsl(0, 68%, 42%) in HSL, and approximately cmyk(0%, 81%, 81%, 30%) in CMYK.
What is the RGB value of #B22222?
#B22222 is rgb(178, 34, 34) — red 178, green 34, and blue 34 on the 0-255 scale.
What is the CMYK value of #B22222?
#B22222 converts to approximately cmyk(0%, 81%, 81%, 30%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #B22222 be black or white?
White text is the more readable choice. #B22222 scores 6.68:1 against white and 3.14:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Is FireBrick a CSS named color?
Yes. FireBrick is one of the CSS named colors, so you can write color: firebrick instead of the hex code.
Open Fire Brick in a Tool
Keep exploring: every red in the color library, the guide to shades of red, or the full color library.