#064E3B — Tints, Shades & Color Values

#064E3B

#064E3B is a very dark, vivid cyan. In Tailwind CSS this exact color is the utility class emerald-900 (e.g. bg-emerald-900, text-emerald-900). Its nearest CSS named color is darkslategray (#2f4f4f). For readable text on a #064E3B background, white text gives the strongest contrast (9.72:1). Because it is dark, #064E3B suits text, navigation bars, and footers on light backgrounds, and its tints make natural hover and surface colors.

Want to fine-tune this color interactively? Open #064E3B in the tint & shade generator to explore the full lightness, hue, and chroma scales and copy any step.

Color Values

Hex#064E3B
RGBrgb(6, 78, 59)
HSLhsl(164, 86%, 16%)
HSV / HSB164°, 92%, 31%
Nearest nameddarkslategray (#2f4f4f)

Need these in another format? Use our hex to RGB converter for quick two-way conversion.

#064E3B in Tailwind CSS (emerald-900)

#064E3B ships with Tailwind CSS as emerald-900 — use it as bg-emerald-900, text-emerald-900, or border-emerald-900. It sits at step 900 of the emerald ramp; every other step links to its own page:

Browse the full Tailwind palette in the color library, or generate in-between steps with the tint & shade generator.

Tints of #064E3B (Mixed with White)

Each step blends the base color toward white using new = old + (255 − old) × factor. Click a swatch to open it in the generator.

Shades of #064E3B (Mixed with Black)

Each step blends the base color toward black using new = old × (1 − factor).

WCAG Contrast & Accessibility

Contrast ratios for text placed on a #064E3B background. WCAG requires 4.5:1 for normal text (AA), 3:1 for large text (AA), and 7:1 for normal text (AAA).

Text color White text 9.72:1 — AA normal: Pass · AA large: Pass · AAA: Pass
Black text 2.16:1 — AA normal: Fail · AA large: Fail · AAA: Fail

If neither pure white nor pure black reaches the level you need, pick a lighter tint of #064E3B from the ramps above as the background instead — small lightness moves change contrast quickly. Test any other pair with the free contrast checker.

More cyan colors in the library: #083344 (cyan-950), #134E4A (teal-900), #115E59 (teal-800), #042F2E (teal-950), #164E63 (cyan-900), #008080.

Frequently Asked Questions

Browse more colors in the color library, or start from any hex code on the HexTints homepage.

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