Palettes / Colors / #034F66

#034F66 — Deep Vivid Teal

#034F66 is a teal color we call Deep Vivid Teal, closest to the named color DarkSlateGray (#2F4F4F). It belongs to the teal family.

Color name

Closest CSS keyword: darkslategray (#2F4F4F) — not an exact match. CSS darkslategray gives you #2F4F4F, a different color; use #034F66 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.

#034F66 is a cool teal color associated with freshness, clarity and balance. 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 #681B03; it also sits naturally between #03684D and #031E68. 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 1% · Green 31% · Blue 40%

Cyan 97% · Magenta 23% · Yellow 0% · Key 60%

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

Previews

CSS code for #034F66

.text { color: #034F66; }
.background { background-color: #034F66; }
.border { border: 3px solid #034F66; }
.text-rgb { color: rgb(3, 79, 102); }
.text-hsl { color: hsl(194, 94%, 21%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #034F66; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(3, 79, 102, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #034F66; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(3, 79, 102, 0.8); }

HTML: <p style="color:#034F66">Text here</p> · <div style="background-color:#034F66">Div content here</div>

Shades of #034F66

Tints of #034F66

Tones of #034F66

Color harmonies

Complementary — #681B03:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #034F66: #FFFFFF.

Semi-transparent (opacity) text on #034F66

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:

How #034F66 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 #034F66 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

← #034F65  ·  #034F67 →

Frequently asked questions

What color is #034F66?

#034F66 is Deep Vivid Teal, a teal color (RGB 3, 79, 102). Its closest standard named color is DarkSlateGray.

What is the RGB and HSL of #034F66?

#034F66 is RGB 3, 79, 102 — HSL 194°, 94%, 21% — CMYK 97%, 23%, 0%, 60%.

What colors go with #034F66?

Its complement is #681B03; analogous partners are #03684D and #031E68. It also appears in 6+ palettes in our collection.

Can I use #034F66 for text?

White text on #034F66 has a contrast ratio of 9.07:1 (passes WCAG AA); black text gives 2.31:1.