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💡 Click on any color value below to copy it to clipboard
Running Number
1,377,027
HEX
#150303
RGB
21, 3, 3
HSL
0°,75%,5%
HSV
0°,86%,8%
CMYK
0%,86%,86%,92%
Brightness
3%
Type
Dark
AA Normal Text: ≥ 4.5:1
AA Large Text: ≥ 3.0:1
AAA Normal Text: ≥ 7.0:1
AAA Large Text: ≥ 4.5:1
Colors in the red spectrum evoke passion, energy, and urgency. They're often used for action buttons, branding, and emotional visual impact.
This vibrant red draws inspiration from roses, sunsets, and autumn leaves. It captures the energy of fire and the passion of love, making it perfect for bold, attention-grabbing designs.
See how this color appears in real UI elements
Button (filled)
Badge
Progress Bar
Link Hover
Input Focus Ring
Checkbox Active
Toggle Switch On
Slider Thumb
Card Border
Icon Highlight
Tooltip Background
Modal Header
Tab Active
Alert Box
Timeline Dot
Loading Spinner
Dropdown Selected
Table Row Highlight
Calendar Date
Mobile Device
See how to use #150303 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#150303";💡 Click any tab to see how to use #150303 in different programming languages