Palettes / Colors / #03633B

#03633B — Deep Vivid Green

#03633B is a green color we call Deep Vivid Green, closest to the named color DarkSlateGray (#2F4F4F). It belongs to the green family.

Color name

Closest CSS keyword: darkslategray (#2F4F4F) — not an exact match. CSS darkslategray gives you #2F4F4F, a different color; use #03633B 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.

#03633B is a cool green color associated with growth, calm 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 #63032B; it also sits naturally between #03630B and #035B63. 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 39% · Blue 23%

Cyan 97% · Magenta 0% · Yellow 40% · Key 61%

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

Previews

CSS code for #03633B

.text { color: #03633B; }
.background { background-color: #03633B; }
.border { border: 3px solid #03633B; }
.text-rgb { color: rgb(3, 99, 59); }
.text-hsl { color: hsl(155, 94%, 20%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #03633B; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(3, 99, 59, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #03633B; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(3, 99, 59, 0.8); }

HTML: <p style="color:#03633B">Text here</p> · <div style="background-color:#03633B">Div content here</div>

Shades of #03633B

Tints of #03633B

Tones of #03633B

Color harmonies

Complementary — #63032B:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #03633B: #FFFFFF.

Semi-transparent (opacity) text on #03633B

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 #03633B 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 #03633B 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

← #03633A  ·  #03633C →

Frequently asked questions

What color is #03633B?

#03633B is Deep Vivid Green, a green color (RGB 3, 99, 59). Its closest standard named color is DarkSlateGray.

What is the RGB and HSL of #03633B?

#03633B is RGB 3, 99, 59 — HSL 155°, 94%, 20% — CMYK 97%, 0%, 40%, 61%.

What colors go with #03633B?

Its complement is #63032B; analogous partners are #03630B and #035B63. It also appears in 6+ palettes in our collection.

Can I use #03633B for text?

White text on #03633B has a contrast ratio of 7.36:1 (passes WCAG AA); black text gives 2.85:1.