#3F6666 color
The hex color #3F6666 is a dark, grayish cyan.
In the RGB color model it is made of 24.7% red, 40% green and 40% blue (63, 102, 102).
Its hue angle is 180°, with 24% saturation and 32% lightness. For print, the CMYK equivalent is 38% cyan, 0% magenta, 0% yellow and 60% black.
The closest named color is Moonlit Forest (#3E6D6A), a difference of 3.2 ΔE, a small difference.
White text is the more readable choice on this background (contrast 6.36:1).
#3F6666 color codes
| HEX | #3F6666 | |
|---|---|---|
| RGB | rgb(63, 102, 102) | |
| RGB percent | rgb(24.7%, 40%, 40%) | |
| HSL | hsl(180, 24%, 32%) | |
| HSV / HSB | hsv(180, 38%, 40%) | |
| CMYK | cmyk(38%, 0%, 0%, 60%) | |
| CIE LAB | lab(40.44, -13.71, -4.37) | |
| CIE LCH | lch(40.44, 14.39, 197.66) | |
| CIE XYZ | xyz(9.199, 11.518, 14.306) | |
| Decimal | 4154982 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #3F6666, based on their position on the color wheel.
Complementary
The color opposite on the color wheel (180°). Strongest contrast.
Analogous
Neighbors 30° either side. Calm, natural combinations.
Split complementary
The two colors next to the complement (150° and 210°).
Triadic
Three colors evenly spaced, 120° apart.
Tetradic (square)
Four colors 90° apart.
Shades, tints and tones
Shades (darker, mixed with black)
Tints (lighter, mixed with white)
Tones (mixed with gray)
Contrast and accessibility
| Text on #3F6666 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.3:1 | Fail | Fail | Pass |
| Sample text | 6.36:1 | Pass | Fail | Pass |
| #3F6666 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 6.36:1 | Pass | Fail | Pass |
| Sample text | 3.3:1 | Fail | Fail | Pass |
WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.
Color blindness simulation
How #3F6666 looks to people with the most common types of color vision deficiency.
#616266Protanopia
no red cones#5a5d66Deuteranopia
no green cones#2f6866Tritanopia
no blue cones#5f5f5fAchromatopsia
no color vision
CSS examples
.background { background-color: #3f6666; }
.text { color: #3f6666; }
.border { border: 2px solid #3f6666; }
.transparent { background-color: rgb(63 102 102 / 50%); }
.gradient { background: linear-gradient(to right, #3f6666, #3f5266); }
Similar colors
#3e6d6aMoonlit Forest#405e5cRosemary#39636aMediterranea#345c61Arctic Nights#24646bPacific#366d68Deep Pool Teal#33616aAfter the Storm#2e5c58Lacrosse
Closest common color name: Dark Slate Gray.
Questions
- What color is #3F6666?
- #3F6666 is a dark, grayish cyan, closest to the named color Moonlit Forest. It belongs to the teal family of colors.
- What is the RGB value of #3F6666?
- The RGB value is 63, 102, 102: 63 red, 102 green and 102 blue on a 0 to 255 scale.
- What is the complementary color of #3F6666?
- The complementary color is #663F3F, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #3F6666?
- White text. Black text has a contrast ratio of 3.3:1 and white text 6.36:1. WCAG asks for at least 4.5:1 for normal text.