#133D37 color
The hex color #133D37 is a very dark, moderate spring green.
In the RGB color model it is made of 7.5% red, 23.9% green and 21.6% blue (19, 61, 55).
Its hue angle is 171°, with 53% saturation and 16% lightness. For print, the CMYK equivalent is 69% cyan, 0% magenta, 10% yellow and 76% black.
The closest named color is Botanical Night (#12403C), a difference of 1.5 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 12:1).
#133D37 color codes
| HEX | #133D37 | |
|---|---|---|
| RGB | rgb(19, 61, 55) | |
| RGB percent | rgb(7.5%, 23.9%, 21.6%) | |
| HSL | hsl(171, 53%, 16%) | |
| HSV / HSB | hsv(171, 69%, 24%) | |
| CMYK | cmyk(69%, 0%, 10%, 76%) | |
| CIE LAB | lab(22.83, -16.21, -0.62) | |
| CIE LCH | lch(22.83, 16.23, 182.19) | |
| CIE XYZ | xyz(2.627, 3.751, 4.199) | |
| Decimal | 1260855 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #133D37, 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 #133D37 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.75:1 | Fail | Fail | Fail |
| Sample text | 12:1 | Pass | Pass | Pass |
| #133D37 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 12:1 | Pass | Pass | Pass |
| Sample text | 1.75:1 | 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 #133D37 looks to people with the most common types of color vision deficiency.
#3a3937Protanopia
no red cones#343538Deuteranopia
no green cones#003e3bTritanopia
no blue cones#363636Achromatopsia
no color vision
CSS examples
.background { background-color: #133d37; }
.text { color: #133d37; }
.border { border: 2px solid #133d37; }
.transparent { background-color: rgb(19 61 55 / 50%); }
.gradient { background: linear-gradient(to right, #133d37, #132e3d); }
Similar colors
#12403cBotanical Night#024a43Tropical Forest#264334Everglade#014d4eDark Teal#003322Pitch-Black Forests#224347Emerald Forest#334d41Pine Needle#133337Elite Teal
Questions
- What color is #133D37?
- #133D37 is a very dark, moderate spring green, closest to the named color Botanical Night. It belongs to the teal family of colors.
- What is the RGB value of #133D37?
- The RGB value is 19, 61, 55: 19 red, 61 green and 55 blue on a 0 to 255 scale.
- What is the complementary color of #133D37?
- The complementary color is #3D1319, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #133D37?
- White text. Black text has a contrast ratio of 1.75:1 and white text 12:1. WCAG asks for at least 4.5:1 for normal text.