Palettes / Colors / #EF645E
#EF645E — Vivid Red
#EF645E is a red color we call Vivid Red, closest to the named color Tomato (#FF6347). It belongs to the red family.
Color name
Closest CSS keyword: tomato (#FF6347) — not an exact match. CSS tomato gives you #FF6347, a different color; use #EF645E 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.
#EF645E 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 #5DEAEF; it also sits naturally between #EF5DA1 and #EFAB5D. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #EF645E |
|---|---|
| RGB | 239, 100, 94 |
| HSL | 2°, 82%, 65% |
| HSV | 2°, 61%, 94% |
| CMYK | 0%, 58%, 61%, 6% |
| XYZ | 42.17, 28.27, 13.82 |
| Yxy | 28.27, 0.5005, 0.3355 |
| CIE-Lab | 60.13, 53.20, 30.75 |
| Hunter Lab | 53.17, 52.18, 19.64 |
RGB & CMYK percentages
Red 94% · Green 39% · Blue 37%
Cyan 0% · Magenta 58% · Yellow 61% · Key 6%
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 #EF645E
.text { color: #EF645E; }
.background { background-color: #EF645E; }
.border { border: 3px solid #EF645E; }
.text-rgb { color: rgb(239, 100, 94); }
.text-hsl { color: hsl(2, 82%, 65%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EF645E; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 100, 94, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EF645E; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 100, 94, 0.8); }
HTML: <p style="color:#EF645E">Text here</p> · <div style="background-color:#EF645E">Div content here</div>
Shades of #EF645E
Tints of #EF645E
Tones of #EF645E
Color harmonies
Complementary — #5DEAEF:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 3.16:1 AA large only |
|---|---|
| Against black text | 6.65:1 AA |
Best text color on #EF645E: #000000.
Semi-transparent (opacity) text on #EF645E
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 #EF645E: ·
How #EF645E 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 #EF645E 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 #EF645E?
#EF645E is Vivid Red, a red color (RGB 239, 100, 94). Its closest standard named color is Tomato.
What is the RGB and HSL of #EF645E?
#EF645E is RGB 239, 100, 94 — HSL 2°, 82%, 65% — CMYK 0%, 58%, 61%, 6%.
What colors go with #EF645E?
Its complement is #5DEAEF; analogous partners are #EF5DA1 and #EFAB5D. It also appears in 6+ palettes in our collection.
Can I use #EF645E for text?
Black text on #EF645E has a contrast ratio of 6.65:1 (passes WCAG AA); white text gives 3.16:1.