#064E3B color
The swatch above shows #064E3B with its hex code written on it in white and in black, so you can see which of the two is legible before reading the measured ratios below.
#064E3B is a very dark, vivid cyan, closest to the CSS named color darkslategray (#2F4F4F).
It is also a Tailwind CSS default: emerald-900. That means you can write bg-emerald-900 or text-emerald-900 directly, with no arbitrary-value brackets and no entry in your theme config.
Color values
| HEX | #064E3B |
| RGB | rgb(6, 78, 59) |
| HSL | hsl(164, 86%, 16%) |
| CMYK | cmyk(92%, 0%, 24%, 69%) |
| Decimal | 413243 |
| CSS | color: #064E3B; |
| Android | 0xFF064E3B |
| Swift | UIColor(red: 0.024, green: 0.306, blue: 0.231, alpha: 1) |
Accessibility and contrast
| White text on #064E3B | 9.72:1 — AA pass · AA large pass · AAA pass |
| Black text on #064E3B | 2.16:1 — AA fail · AA large fail · AAA fail |
| Recommended text color | white |
WCAG 2.1 asks for at least 4.5:1 for body text and 3:1 for large text (18 pt, or 14 pt bold).
Tints and shades of #064E3B
Each swatch keeps the hue and saturation of #064E3B and varies only lightness — the quickest way to build a usable scale from a single brand color.
Colors that go with #064E3B
Harmonies generated by rotating the hue on the color wheel while holding saturation and lightness constant.
Using #064E3B in code
/* CSS */
.element { color: #064E3B; background-color: #064E3B; }
.element { color: rgb(6 78 59); }
.element { color: hsl(164 86% 16%); }
/* Tailwind */
<div class="bg-emerald-900 text-white">
/* SCSS variable */
$brand: #064E3B;Frequently asked questions
What color is #064E3B?
#064E3B is a very dark, vivid cyan. Its hue sits at 164° on the color wheel, with 86% saturation and 16% lightness.
What is #064E3B in RGB?
#064E3B converts to rgb(6, 78, 59) — 6 red, 78 green and 59 blue.
What is #064E3B in CMYK?
Approximately cmyk(92%, 0%, 24%, 69%). Print output depends on the ICC profile of the press and paper, so treat this as a starting point rather than an exact match.
Should text on #064E3B be white or black?
White gives the better contrast ratio (9.72:1 versus 2.16:1).
What is the complementary color of #064E3B?
#4C0618 — the hue directly opposite #064E3B on the color wheel.