Palettes / Colors / #00455C

#00455C — Deep Vivid Blue

#00455C is a blue color we call Deep Vivid Blue, closest to the named color DarkSlateGray (#2F4F4F). It belongs to the blue family.

#00455C 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 #5C1700; it also sits naturally between #005C45 and #00175C. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 0% · Green 27% · Blue 36%

Cyan 100% · Magenta 25% · Yellow 0% · Key 64%

Previews

CSS code for #00455C

.text { color: #00455C; }
.background { background-color: #00455C; }
.border { border: 3px solid #00455C; }
.text-rgb { color: rgb(0, 69, 92); }
.text-hsl { color: hsl(195, 100%, 18%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #00455C; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(0, 69, 92, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #00455C; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(0, 69, 92, 0.8); }

HTML: <p style="color:#00455C">Text here</p> · <div style="background-color:#00455C">Div content here</div>

Shades of #00455C

Tints of #00455C

Tones of #00455C

Color harmonies

Complementary — #5C1700:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #00455C: #FFFFFF.

How #00455C 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 #00455C 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

← #00455B  ·  #00455D →

Frequently asked questions

What color is #00455C?

#00455C is Deep Vivid Blue, a blue color (RGB 0, 69, 92). Its closest standard named color is DarkSlateGray.

What is the RGB and HSL of #00455C?

#00455C is RGB 0, 69, 92 — HSL 195°, 100%, 18% — CMYK 100%, 25%, 0%, 64%.

What colors go with #00455C?

Its complement is #5C1700; analogous partners are #005C45 and #00175C. It also appears in 6+ palettes in our collection.

Can I use #00455C for text?

White text on #00455C has a contrast ratio of 10.47:1 (passes WCAG AA); black text gives 2.01:1.