#1F3D37 color
The hex color #1F3D37 is a very dark, desaturated spring green.
In the RGB color model it is made of 12.2% red, 23.9% green and 21.6% blue (31, 61, 55).
Its hue angle is 168°, with 33% saturation and 18% lightness. For print, the CMYK equivalent is 49% cyan, 0% magenta, 10% yellow and 76% black.
The closest named color is Botanical Night (#12403C), a difference of 3.1 ΔE, a small difference.
White text is the more readable choice on this background (contrast 11.79:1).
#1F3D37 color codes
| HEX | #1F3D37 | |
|---|---|---|
| RGB | rgb(31, 61, 55) | |
| RGB percent | rgb(12.2%, 23.9%, 21.6%) | |
| HSL | hsl(168, 33%, 18%) | |
| HSV / HSB | hsv(168, 49%, 24%) | |
| CMYK | cmyk(49%, 0%, 10%, 76%) | |
| CIE LAB | lab(23.35, -12.97, 0.2) | |
| CIE LCH | lch(23.35, 12.97, 179.11) | |
| CIE XYZ | xyz(2.923, 3.904, 4.213) | |
| Decimal | 2047287 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1F3D37, 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 #1F3D37 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.78:1 | Fail | Fail | Fail |
| Sample text | 11.79:1 | Pass | Pass | Pass |
| #1F3D37 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 11.79:1 | Pass | Pass | Pass |
| Sample text | 1.78:1 | 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 #1F3D37 looks to people with the most common types of color vision deficiency.
#3b3a37Protanopia
no red cones#363637Deuteranopia
no green cones#143e3bTritanopia
no blue cones#383838Achromatopsia
no color vision
CSS examples
.background { background-color: #1f3d37; }
.text { color: #1f3d37; }
.border { border: 2px solid #1f3d37; }
.transparent { background-color: rgb(31 61 55 / 50%); }
.gradient { background: linear-gradient(to right, #1f3d37, #1f343d); }
Similar colors
#12403cBotanical Night#264334Everglade#224347Emerald Forest#334d41Pine Needle#133337Elite Teal#024a43Tropical Forest#2f4f4fDark Slate Gray#27454aMysterious Waters
Questions
- What color is #1F3D37?
- #1F3D37 is a very dark, desaturated spring green, closest to the named color Botanical Night. It belongs to the gray family of colors.
- What is the RGB value of #1F3D37?
- The RGB value is 31, 61, 55: 31 red, 61 green and 55 blue on a 0 to 255 scale.
- What is the complementary color of #1F3D37?
- The complementary color is #3D1F25, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1F3D37?
- White text. Black text has a contrast ratio of 1.78:1 and white text 11.79:1. WCAG asks for at least 4.5:1 for normal text.