Palettes / Colors / #2580DA
#2580DA — Blue
#2580DA is a blue color we call Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.
#2580DA 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 #DA8025; it also sits naturally between #25DADA and #2525DA. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #2580DA |
|---|---|
| RGB | 37, 128, 218 |
| HSL | 210°, 71%, 50% |
| HSV | 210°, 83%, 85% |
| CMYK | 83%, 41%, 0%, 15% |
| XYZ | 21.14, 20.89, 69.25 |
| Yxy | 20.89, 0.1899, 0.1878 |
| CIE-Lab | 52.83, 6.23, -53.32 |
| Hunter Lab | 45.71, 5.07, -62.63 |
RGB & CMYK percentages
Red 15% · Green 50% · Blue 85%
Cyan 83% · Magenta 41% · Yellow 0% · Key 15%
Previews
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CSS code for #2580DA
.text { color: #2580DA; }
.background { background-color: #2580DA; }
.border { border: 3px solid #2580DA; }
.text-rgb { color: rgb(37, 128, 218); }
.text-hsl { color: hsl(210, 71%, 50%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #2580DA; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(37, 128, 218, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #2580DA; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(37, 128, 218, 0.8); }
HTML: <p style="color:#2580DA">Text here</p> · <div style="background-color:#2580DA">Div content here</div>
Shades of #2580DA
Tints of #2580DA
Tones of #2580DA
Color harmonies
Complementary — #DA8025:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 4.06:1 AA large only |
|---|---|
| Against black text | 5.18:1 AA |
Best text color on #2580DA: #000000.
How #2580DA 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 #2580DA or a close neighbour
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 #2580DA?
#2580DA is Blue, a blue color (RGB 37, 128, 218). Its closest standard named color is RoyalBlue.
What is the RGB and HSL of #2580DA?
#2580DA is RGB 37, 128, 218 — HSL 210°, 71%, 50% — CMYK 83%, 41%, 0%, 15%.
What colors go with #2580DA?
Its complement is #DA8025; analogous partners are #25DADA and #2525DA. It also appears in 6+ palettes in our collection.
Can I use #2580DA for text?
Black text on #2580DA has a contrast ratio of 5.18:1 (passes WCAG AA); white text gives 4.06:1.