Palettes / Colors / #02403E

#02403E — Dark Vivid Teal

#02403E is a teal color we call Dark 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 #02403E 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.

#02403E 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 #400204; it also sits naturally between #02401F and #022340. 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 25% · Blue 24%

Cyan 97% · Magenta 0% · Yellow 3% · Key 75%

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

Previews

CSS code for #02403E

.text { color: #02403E; }
.background { background-color: #02403E; }
.border { border: 3px solid #02403E; }
.text-rgb { color: rgb(2, 64, 62); }
.text-hsl { color: hsl(178, 94%, 13%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #02403E; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(2, 64, 62, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #02403E; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(2, 64, 62, 0.8); }

HTML: <p style="color:#02403E">Text here</p> · <div style="background-color:#02403E">Div content here</div>

Shades of #02403E

Tints of #02403E

Tones of #02403E

Color harmonies

Complementary — #400204:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #02403E: #FFFFFF.

Semi-transparent (opacity) text on #02403E

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 #02403E 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 #02403E 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

← #02403D  ·  #02403F →

Frequently asked questions

What color is #02403E?

#02403E is Dark Vivid Teal, a teal color (RGB 2, 64, 62). Its closest standard named color is DarkSlateGray.

What is the RGB and HSL of #02403E?

#02403E is RGB 2, 64, 62 — HSL 178°, 94%, 13% — CMYK 97%, 0%, 3%, 75%.

What colors go with #02403E?

Its complement is #400204; analogous partners are #02401F and #022340. It also appears in 6+ palettes in our collection.

Can I use #02403E for text?

White text on #02403E has a contrast ratio of 11.63:1 (passes WCAG AA); black text gives 1.81:1.