Palettes / Colors / #0A2139

#0A2139 — Dark Blue

#0A2139 is a blue color we call Dark Blue, closest to the named color MidnightBlue (#191970). It belongs to the blue family.

#0A2139 is a cool blue color associated with trust, calm and professionalism. It is deep enough for text, outlines and dark interface surfaces, and makes light colors glow next to it.

Its strongest partner is its complement #38220A; it also sits naturally between #0A3838 and #0B0A38. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 4% · Green 13% · Blue 22%

Cyan 82% · Magenta 42% · Yellow 0% · Key 78%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #0A2139

.text { color: #0A2139; }
.background { background-color: #0A2139; }
.border { border: 3px solid #0A2139; }
.text-rgb { color: rgb(10, 33, 57); }
.text-hsl { color: hsl(211, 70%, 13%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #0A2139; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(10, 33, 57, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #0A2139; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(10, 33, 57, 0.8); }

HTML: <p style="color:#0A2139">Text here</p> · <div style="background-color:#0A2139">Div content here</div>

Shades of #0A2139

Tints of #0A2139

Tones of #0A2139

Color harmonies

Complementary — #38220A:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #0A2139: #FFFFFF.

How #0A2139 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 #0A2139 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

← #0A2138  ·  #0A213A →

Frequently asked questions

What color is #0A2139?

#0A2139 is Dark Blue, a blue color (RGB 10, 33, 57). Its closest standard named color is MidnightBlue.

What is the RGB and HSL of #0A2139?

#0A2139 is RGB 10, 33, 57 — HSL 211°, 70%, 13% — CMYK 82%, 42%, 0%, 78%.

What colors go with #0A2139?

Its complement is #38220A; analogous partners are #0A3838 and #0B0A38. It also appears in 6+ palettes in our collection.

Can I use #0A2139 for text?

White text on #0A2139 has a contrast ratio of 16.29:1 (passes WCAG AA); black text gives 1.29:1.