Palettes / Colors / #045DD2
#045DD2 — Vivid Blue
#045DD2 is a blue color we call Vivid Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.
Color name
Closest CSS keyword: royalblue (#4169E1) — not an exact match. CSS royalblue gives you #4169E1, a different color; use #045DD2 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.
#045DD2 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 #D27904; it also sits naturally between #04C4D2 and #1204D2. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #045DD2 |
|---|---|
| RGB | 4, 93, 210 |
| HSL | 214°, 96%, 42% |
| HSV | 214°, 98%, 82% |
| CMYK | 98%, 56%, 0%, 18% |
| XYZ | 15.60, 12.51, 62.56 |
| Yxy | 12.51, 0.1720, 0.1379 |
| CIE-Lab | 42.01, 23.69, -66.25 |
| Hunter Lab | 35.37, 19.02, -85.21 |
RGB & CMYK percentages
Red 2% · Green 36% · Blue 82%
Cyan 98% · Magenta 56% · Yellow 0% · Key 18%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #045DD2
.text { color: #045DD2; }
.background { background-color: #045DD2; }
.border { border: 3px solid #045DD2; }
.text-rgb { color: rgb(4, 93, 210); }
.text-hsl { color: hsl(214, 96%, 42%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #045DD2; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(4, 93, 210, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #045DD2; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(4, 93, 210, 0.8); }
HTML: <p style="color:#045DD2">Text here</p> · <div style="background-color:#045DD2">Div content here</div>
Shades of #045DD2
Tints of #045DD2
Tones of #045DD2
Color harmonies
Complementary — #D27904:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 6.00:1 AA |
|---|---|
| Against black text | 3.50:1 AA large only |
Best text color on #045DD2: #FFFFFF.
Semi-transparent (opacity) text on #045DD2
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 #045DD2: ·
How #045DD2 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 #045DD2 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 #045DD2?
#045DD2 is Vivid Blue, a blue color (RGB 4, 93, 210). Its closest standard named color is RoyalBlue.
What is the RGB and HSL of #045DD2?
#045DD2 is RGB 4, 93, 210 — HSL 214°, 96%, 42% — CMYK 98%, 56%, 0%, 18%.
What colors go with #045DD2?
Its complement is #D27904; analogous partners are #04C4D2 and #1204D2. It also appears in 6+ palettes in our collection.
Can I use #045DD2 for text?
White text on #045DD2 has a contrast ratio of 6.00:1 (passes WCAG AA); black text gives 3.50:1.