#3F5957 color
The hex color #3F5957 is a dark, grayish cyan.
In the RGB color model it is made of 24.7% red, 34.9% green and 34.1% blue (63, 89, 87).
Its hue angle is 175°, with 17% saturation and 30% lightness. For print, the CMYK equivalent is 29% cyan, 0% magenta, 2% yellow and 65% black.
The closest named color is Rosemary (#405E5C), a difference of 1.9 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 7.56:1).
#3F5957 color codes
| HEX | #3F5957 | |
|---|---|---|
| RGB | rgb(63, 89, 87) | |
| RGB percent | rgb(24.7%, 34.9%, 34.1%) | |
| HSL | hsl(175, 17%, 30%) | |
| HSV / HSB | hsv(175, 29%, 35%) | |
| CMYK | cmyk(29%, 0%, 2%, 65%) | |
| CIE LAB | lab(35.77, -10.21, -2) | |
| CIE LCH | lch(35.77, 10.4, 191.08) | |
| CIE XYZ | xyz(7.342, 8.889, 10.344) | |
| Decimal | 4151639 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #3F5957, 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 #3F5957 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.78:1 | Fail | Fail | Fail |
| Sample text | 7.56:1 | Pass | Pass | Pass |
| #3F5957 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 7.56:1 | Pass | Pass | Pass |
| Sample text | 2.78:1 | Fail | Fail | Fail |
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 #3F5957 looks to people with the most common types of color vision deficiency.
#565657Protanopia
no red cones#515357Deuteranopia
no green cones#375a58Tritanopia
no blue cones#545454Achromatopsia
no color vision
CSS examples
.background { background-color: #3f5957; }
.text { color: #3f5957; }
.border { border: 2px solid #3f5957; }
.transparent { background-color: rgb(63 89 87 / 50%); }
.gradient { background: linear-gradient(to right, #3f5957, #3f4e59); }
Similar colors
#405e5cRosemary#475c5dWoodland Night#3c4f4eNight Watch#315955Enchanting Ivy#2f4f4fDark Slate Gray#4a5d5fStill Waters Run Deep#3a5b52Iridescent#345c61Arctic Nights
Questions
- What color is #3F5957?
- #3F5957 is a dark, grayish cyan, closest to the named color Rosemary. It belongs to the gray family of colors.
- What is the RGB value of #3F5957?
- The RGB value is 63, 89, 87: 63 red, 89 green and 87 blue on a 0 to 255 scale.
- What is the complementary color of #3F5957?
- The complementary color is #593F41, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #3F5957?
- White text. Black text has a contrast ratio of 2.78:1 and white text 7.56:1. WCAG asks for at least 4.5:1 for normal text.