#1D3733 color
The hex color #1D3733 is a very dark, desaturated spring green.
In the RGB color model it is made of 11.4% red, 21.6% green and 20% blue (29, 55, 51).
Its hue angle is 171°, with 31% saturation and 16% lightness. For print, the CMYK equivalent is 47% cyan, 0% magenta, 7% yellow and 78% black.
The closest named color is Botanical Night (#12403C), a difference of 4.7 ΔE, a small difference.
White text is the more readable choice on this background (contrast 12.75:1).
#1D3733 color codes
| HEX | #1D3733 | |
|---|---|---|
| RGB | rgb(29, 55, 51) | |
| RGB percent | rgb(11.4%, 21.6%, 20%) | |
| HSL | hsl(171, 31%, 16%) | |
| HSV / HSB | hsv(171, 47%, 22%) | |
| CMYK | cmyk(47%, 0%, 7%, 78%) | |
| CIE LAB | lab(20.95, -11.17, -0.63) | |
| CIE LCH | lch(20.95, 11.19, 183.23) | |
| CIE XYZ | xyz(2.47, 3.232, 3.625) | |
| Decimal | 1914675 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1D3733, 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 #1D3733 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.65:1 | Fail | Fail | Fail |
| Sample text | 12.75:1 | Pass | Pass | Pass |
| #1D3733 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 12.75:1 | Pass | Pass | Pass |
| Sample text | 1.65:1 | 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 #1D3733 looks to people with the most common types of color vision deficiency.
#353433Protanopia
no red cones#303133Deuteranopia
no green cones#133836Tritanopia
no blue cones#323232Achromatopsia
no color vision
CSS examples
.background { background-color: #1d3733; }
.text { color: #1d3733; }
.border { border: 2px solid #1d3733; }
.transparent { background-color: rgb(29 55 51 / 50%); }
.gradient { background: linear-gradient(to right, #1d3733, #1d2e37); }
Similar colors
#12403cBotanical Night#133337Elite Teal#162825Swamp Thing#293432Aztec#224347Emerald Forest#1c3b42Royal Neptune#264334Everglade#1c3d44Sunken Harbour
Closest common color name: Dark Slate Gray.
Questions
- What color is #1D3733?
- #1D3733 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 #1D3733?
- The RGB value is 29, 55, 51: 29 red, 55 green and 51 blue on a 0 to 255 scale.
- What is the complementary color of #1D3733?
- The complementary color is #371D21, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1D3733?
- White text. Black text has a contrast ratio of 1.65:1 and white text 12.75:1. WCAG asks for at least 4.5:1 for normal text.