Palettes / Colors / #045FF0
#045FF0 — Vivid Blue
#045FF0 is a blue color we call Vivid Blue, closest to the named color DodgerBlue (#1E90FF). It belongs to the blue family.
Color name
Closest CSS keyword: dodgerblue (#1E90FF) — not an exact match. CSS dodgerblue gives you #1E90FF, a different color; use #045FF0 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.
#045FF0 is a cool blue color associated with trust, calm and professionalism. 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 #F19604; it also sits naturally between #04D5F1 and #1F04F1. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #045FF0 |
|---|---|
| RGB | 4, 95, 240 |
| HSL | 217°, 97%, 48% |
| HSV | 217°, 98%, 94% |
| CMYK | 98%, 60%, 0%, 6% |
| XYZ | 19.87, 14.50, 84.19 |
| Yxy | 14.50, 0.1676, 0.1223 |
| CIE-Lab | 44.94, 34.06, -78.49 |
| Hunter Lab | 38.08, 28.99, -110.59 |
RGB & CMYK percentages
Red 2% · Green 37% · Blue 94%
Cyan 98% · Magenta 60% · Yellow 0% · 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 #045FF0
.text { color: #045FF0; }
.background { background-color: #045FF0; }
.border { border: 3px solid #045FF0; }
.text-rgb { color: rgb(4, 95, 240); }
.text-hsl { color: hsl(217, 97%, 48%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #045FF0; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(4, 95, 240, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #045FF0; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(4, 95, 240, 0.8); }
HTML: <p style="color:#045FF0">Text here</p> · <div style="background-color:#045FF0">Div content here</div>
Shades of #045FF0
Tints of #045FF0
Tones of #045FF0
Color harmonies
Complementary — #F19604:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 5.38:1 AA |
|---|---|
| Against black text | 3.90:1 AA large only |
Best text color on #045FF0: #FFFFFF.
Semi-transparent (opacity) text on #045FF0
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 #045FF0: ·
How #045FF0 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 #045FF0 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 #045FF0?
#045FF0 is Vivid Blue, a blue color (RGB 4, 95, 240). Its closest standard named color is DodgerBlue.
What is the RGB and HSL of #045FF0?
#045FF0 is RGB 4, 95, 240 — HSL 217°, 97%, 48% — CMYK 98%, 60%, 0%, 6%.
What colors go with #045FF0?
Its complement is #F19604; analogous partners are #04D5F1 and #1F04F1. It also appears in 6+ palettes in our collection.
Can I use #045FF0 for text?
White text on #045FF0 has a contrast ratio of 5.38:1 (passes WCAG AA); black text gives 3.90:1.