Palettes / Colors / #CF021C
#CF021C — Vivid Red
#CF021C is a red color we call Vivid Red, closest to the named color Crimson (#DC143C). It belongs to the red family.
Color name
Closest CSS keyword: crimson (#DC143C) — not an exact match. CSS crimson gives you #DC143C, a different color; use #CF021C 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.
#CF021C 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 #02CFB4; it also sits naturally between #CF0284 and #CF4D02. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #CF021C |
|---|---|
| RGB | 207, 2, 28 |
| HSL | 352°, 98%, 41% |
| HSV | 352°, 99%, 81% |
| CMYK | 0%, 99%, 86%, 19% |
| XYZ | 25.96, 13.39, 2.32 |
| Yxy | 13.39, 0.6231, 0.3214 |
| CIE-Lab | 43.35, 68.61, 46.92 |
| Hunter Lab | 36.60, 65.58, 20.64 |
RGB & CMYK percentages
Red 81% · Green 1% · Blue 11%
Cyan 0% · Magenta 99% · Yellow 86% · Key 19%
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 #CF021C
.text { color: #CF021C; }
.background { background-color: #CF021C; }
.border { border: 3px solid #CF021C; }
.text-rgb { color: rgb(207, 2, 28); }
.text-hsl { color: hsl(352, 98%, 41%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #CF021C; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(207, 2, 28, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #CF021C; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(207, 2, 28, 0.8); }
HTML: <p style="color:#CF021C">Text here</p> · <div style="background-color:#CF021C">Div content here</div>
Shades of #CF021C
Tints of #CF021C
Tones of #CF021C
Color harmonies
Complementary — #02CFB4:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 5.71:1 AA |
|---|---|
| Against black text | 3.68:1 AA large only |
Best text color on #CF021C: #FFFFFF.
Semi-transparent (opacity) text on #CF021C
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 #CF021C: ·
How #CF021C 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 #CF021C 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 #CF021C?
#CF021C is Vivid Red, a red color (RGB 207, 2, 28). Its closest standard named color is Crimson.
What is the RGB and HSL of #CF021C?
#CF021C is RGB 207, 2, 28 — HSL 352°, 98%, 41% — CMYK 0%, 99%, 86%, 19%.
What colors go with #CF021C?
Its complement is #02CFB4; analogous partners are #CF0284 and #CF4D02. It also appears in 6+ palettes in our collection.
Can I use #CF021C for text?
White text on #CF021C has a contrast ratio of 5.71:1 (passes WCAG AA); black text gives 3.68:1.