#064E3B — Tints, Shades & Color Values
#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.
Color Values
| Hex | #064E3B |
|---|---|
| RGB | rgb(6, 78, 59) |
| HSL | hsl(164, 86%, 16%) |
| HSV / HSB | 164°, 92%, 31% |
| Nearest named | darkslategray (#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.
-
10% tint
#1f604f -
20% tint
#387162 -
30% tint
#518376 -
40% tint
#6a9589 -
50% tint
#83a79d -
60% tint
#9bb8b1 -
70% tint
#b4cac4 -
80% tint
#cddcd8 -
90% tint
#e6edeb
Shades of #064E3B (Mixed with Black)
Each step blends the base color toward black using new = old × (1 − factor).
-
10% shade
#054635 -
20% shade
#053e2f -
30% shade
#043729 -
40% shade
#042f23 -
50% shade
#03271e -
60% shade
#021f18 -
70% shade
#021712 -
80% shade
#01100c -
90% shade
#010806
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
-
What color is #064E3B?
#064E3B is a very dark, vivid cyan —
rgb(6, 78, 59). Its nearest CSS named color isdarkslategray. In Tailwind CSS it isemerald-900. -
How do I make tints and shades of #064E3B?
Mix #064E3B with white for tints and with black for shades. A 20% tint of #064E3B is
#387162and a 20% shade is#053e2f— the full 10%–90% ramps are precomputed on this page, or open #064E3B in the generator for finer steps. -
What text color is readable on #064E3B?
White text gives the strongest contrast on a #064E3B background at 9.72:1, which passes WCAG AA and AAA for normal text.
-
What is the Tailwind CSS class for #064E3B?
emerald-900— use it asbg-emerald-900,text-emerald-900, orborder-emerald-900. The full emerald 50–950 ramp is linked above.
Browse more colors in the color library, or start from any hex code on the HexTints homepage.
#064E3B? Put it on a free link-in-bio page →