Palettes / Colors / #375DCD
#375DCD — Blue
#375DCD is a blue color we call 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 #375DCD 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.
#375DCD 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 #CDA837; it also sits naturally between #37A8CD and #5D37CD. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #375DCD |
|---|---|
| RGB | 55, 93, 205 |
| HSL | 225°, 60%, 51% |
| HSV | 225°, 73%, 80% |
| CMYK | 73%, 55%, 0%, 20% |
| XYZ | 16.51, 13.05, 59.41 |
| Yxy | 13.05, 0.1856, 0.1467 |
| CIE-Lab | 42.84, 25.37, -61.98 |
| Hunter Lab | 36.12, 20.62, -77.04 |
RGB & CMYK percentages
Red 22% · Green 36% · Blue 80%
Cyan 73% · Magenta 55% · Yellow 0% · Key 20%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #375DCD
.text { color: #375DCD; }
.background { background-color: #375DCD; }
.border { border: 3px solid #375DCD; }
.text-rgb { color: rgb(55, 93, 205); }
.text-hsl { color: hsl(225, 60%, 51%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #375DCD; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(55, 93, 205, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #375DCD; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(55, 93, 205, 0.8); }
HTML: <p style="color:#375DCD">Text here</p> · <div style="background-color:#375DCD">Div content here</div>
Shades of #375DCD
Tints of #375DCD
Tones of #375DCD
Color harmonies
Complementary — #CDA837:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 5.82:1 AA |
|---|---|
| Against black text | 3.61:1 AA large only |
Best text color on #375DCD: #FFFFFF.
Semi-transparent (opacity) text on #375DCD
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 #375DCD: ·
How #375DCD 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 #375DCD 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 #375DCD?
#375DCD is Blue, a blue color (RGB 55, 93, 205). Its closest standard named color is RoyalBlue.
What is the RGB and HSL of #375DCD?
#375DCD is RGB 55, 93, 205 — HSL 225°, 60%, 51% — CMYK 73%, 55%, 0%, 20%.
What colors go with #375DCD?
Its complement is #CDA837; analogous partners are #37A8CD and #5D37CD. It also appears in 6+ palettes in our collection.
Can I use #375DCD for text?
White text on #375DCD has a contrast ratio of 5.82:1 (passes WCAG AA); black text gives 3.61:1.