Palettes / Colors / #356EFD
#356EFD — Vivid Blue
#356EFD 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 #356EFD 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.
#356EFD 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 #FDC435; it also sits naturally between #35D2FD and #6035FD. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #356EFD |
|---|---|
| RGB | 53, 110, 253 |
| HSL | 223°, 98%, 60% |
| HSV | 223°, 79%, 99% |
| CMYK | 79%, 57%, 0%, 1% |
| XYZ | 24.77, 19.00, 95.29 |
| Yxy | 19.00, 0.1781, 0.1366 |
| CIE-Lab | 50.69, 31.94, -76.33 |
| Hunter Lab | 43.59, 27.93, -105.37 |
RGB & CMYK percentages
Red 21% · Green 43% · Blue 99%
Cyan 79% · Magenta 57% · Yellow 0% · Key 1%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #356EFD
.text { color: #356EFD; }
.background { background-color: #356EFD; }
.border { border: 3px solid #356EFD; }
.text-rgb { color: rgb(53, 110, 253); }
.text-hsl { color: hsl(223, 98%, 60%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #356EFD; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(53, 110, 253, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #356EFD; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(53, 110, 253, 0.8); }
HTML: <p style="color:#356EFD">Text here</p> · <div style="background-color:#356EFD">Div content here</div>
Shades of #356EFD
Tints of #356EFD
Tones of #356EFD
Color harmonies
Complementary — #FDC435:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 4.37:1 AA large only |
|---|---|
| Against black text | 4.80:1 AA |
Best text color on #356EFD: #000000.
Semi-transparent (opacity) text on #356EFD
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 #356EFD: ·
How #356EFD 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 #356EFD 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 #356EFD?
#356EFD is Vivid Blue, a blue color (RGB 53, 110, 253). Its closest standard named color is RoyalBlue.
What is the RGB and HSL of #356EFD?
#356EFD is RGB 53, 110, 253 — HSL 223°, 98%, 60% — CMYK 79%, 57%, 0%, 1%.
What colors go with #356EFD?
Its complement is #FDC435; analogous partners are #35D2FD and #6035FD. It also appears in 6+ palettes in our collection.
Can I use #356EFD for text?
Black text on #356EFD has a contrast ratio of 4.80:1 (passes WCAG AA); white text gives 4.37:1.