Palettes / Colors / #BB423B
#BB423B — Muted Red
#BB423B is a red color we call Muted Red, closest to the named color Sienna (#A0522D). It belongs to the red family.
Color name
Closest CSS keyword: sienna (#A0522D) — not an exact match. CSS sienna gives you #A0522D, a different color; use #BB423B 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.
#BB423B is a warm red color associated with energy, passion and urgency. It sits comfortably in the middle: usable for large areas in soft schemes, or as a supporting color beside something stronger.
Its strongest partner is its complement #3BB4BA; it also sits naturally between #BA3B74 and #BA813B. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #BB423B |
|---|---|
| RGB | 187, 66, 59 |
| HSL | 3°, 52%, 48% |
| HSV | 3°, 68%, 73% |
| CMYK | 0%, 65%, 68%, 27% |
| XYZ | 23.23, 14.78, 5.77 |
| Yxy | 14.78, 0.5307, 0.3376 |
| CIE-Lab | 45.33, 48.28, 30.63 |
| Hunter Lab | 38.44, 43.33, 16.54 |
RGB & CMYK percentages
Red 73% · Green 26% · Blue 23%
Cyan 0% · Magenta 65% · Yellow 68% · Key 27%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #BB423B
.text { color: #BB423B; }
.background { background-color: #BB423B; }
.border { border: 3px solid #BB423B; }
.text-rgb { color: rgb(187, 66, 59); }
.text-hsl { color: hsl(3, 52%, 48%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #BB423B; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(187, 66, 59, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #BB423B; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(187, 66, 59, 0.8); }
HTML: <p style="color:#BB423B">Text here</p> · <div style="background-color:#BB423B">Div content here</div>
Shades of #BB423B
Tints of #BB423B
Tones of #BB423B
Color harmonies
Complementary — #3BB4BA:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 5.31:1 AA |
|---|---|
| Against black text | 3.96:1 AA large only |
Best text color on #BB423B: #FFFFFF.
Semi-transparent (opacity) text on #BB423B
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 #BB423B: ·
How #BB423B 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 #BB423B 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 #BB423B?
#BB423B is Muted Red, a red color (RGB 187, 66, 59). Its closest standard named color is Sienna.
What is the RGB and HSL of #BB423B?
#BB423B is RGB 187, 66, 59 — HSL 3°, 52%, 48% — CMYK 0%, 65%, 68%, 27%.
What colors go with #BB423B?
Its complement is #3BB4BA; analogous partners are #BA3B74 and #BA813B. It also appears in 6+ palettes in our collection.
Can I use #BB423B for text?
White text on #BB423B has a contrast ratio of 5.31:1 (passes WCAG AA); black text gives 3.96:1.