Palettes / Colors / #D4100B
#D4100B — Vivid Red
#D4100B is a red color we call Vivid Red, closest to the named color FireBrick (#B22222). It belongs to the red family.
Color name
Closest CSS keyword: firebrick (#B22222) — not an exact match. CSS firebrick gives you #B22222, a different color; use #D4100B when you need this exact shade.
Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.
#D4100B is a warm red color associated with energy, passion and urgency. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.
Its strongest partner is its complement #0BD2D5; it also sits naturally between #D50B6D and #D5740B. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #D4100B |
|---|---|
| RGB | 212, 16, 11 |
| HSL | 1°, 90%, 44% |
| HSV | 1°, 95%, 83% |
| CMYK | 0%, 92%, 95%, 17% |
| XYZ | 27.40, 14.39, 1.65 |
| Yxy | 14.39, 0.6307, 0.3313 |
| CIE-Lab | 44.79, 68.26, 55.31 |
| Hunter Lab | 37.94, 65.57, 22.75 |
RGB & CMYK percentages
Red 83% · Green 6% · Blue 4%
Cyan 0% · Magenta 92% · Yellow 95% · Key 17%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
CSS code for #D4100B
.text { color: #D4100B; }
.background { background-color: #D4100B; }
.border { border: 3px solid #D4100B; }
.text-rgb { color: rgb(212, 16, 11); }
.text-hsl { color: hsl(1, 90%, 44%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #D4100B; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(212, 16, 11, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #D4100B; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(212, 16, 11, 0.8); }
HTML: <p style="color:#D4100B">Text here</p> · <div style="background-color:#D4100B">Div content here</div>
Shades of #D4100B
Tints of #D4100B
Tones of #D4100B
Color harmonies
Complementary — #0BD2D5:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 5.41:1 AA |
|---|---|
| Against black text | 3.88:1 AA large only |
Best text color on #D4100B: #FFFFFF.
Semi-transparent (opacity) text on #D4100B
Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:
Smaller body text shows the effect best.
Blended color: · Contrast against #D4100B: ·
How #D4100B looks with color blindness
Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:
Closest design-system colors
The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:
Palettes with a similar color
These palettes use a close neighbour of #D4100B rather than the exact color:
Similar colors
The closest colors that actually appear in our palette collection — click any to open its page:
Browse neighbouring colors
Frequently asked questions
What color is #D4100B?
#D4100B is Vivid Red, a red color (RGB 212, 16, 11). Its closest standard named color is FireBrick.
What is the RGB and HSL of #D4100B?
#D4100B is RGB 212, 16, 11 — HSL 1°, 90%, 44% — CMYK 0%, 92%, 95%, 17%.
What colors go with #D4100B?
Its complement is #0BD2D5; analogous partners are #D50B6D and #D5740B. It also appears in 6+ palettes in our collection.
Can I use #D4100B for text?
White text on #D4100B has a contrast ratio of 5.41:1 (passes WCAG AA); black text gives 3.88:1.