#1B423F color
The hex color #1B423F is a very dark, desaturated cyan.
In the RGB color model it is made of 10.6% red, 25.9% green and 24.7% blue (27, 66, 63).
Its hue angle is 175°, with 42% saturation and 18% lightness. For print, the CMYK equivalent is 59% cyan, 0% magenta, 5% yellow and 74% black.
The closest named color is Botanical Night (#12403C), a difference of 1.6 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 11.07:1).
#1B423F color codes
| HEX | #1B423F | |
|---|---|---|
| RGB | rgb(27, 66, 63) | |
| RGB percent | rgb(10.6%, 25.9%, 24.7%) | |
| HSL | hsl(175, 42%, 18%) | |
| HSV / HSB | hsv(175, 59%, 26%) | |
| CMYK | cmyk(59%, 0%, 5%, 74%) | |
| CIE LAB | lab(25.22, -14.62, -2.38) | |
| CIE LCH | lch(25.22, 14.81, 189.25) | |
| CIE XYZ | xyz(3.297, 4.488, 5.394) | |
| Decimal | 1786431 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1B423F, 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 #1B423F | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.9:1 | Fail | Fail | Fail |
| Sample text | 11.07:1 | Pass | Pass | Pass |
| #1B423F as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 11.07:1 | Pass | Pass | Pass |
| Sample text | 1.9:1 | 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 #1B423F looks to people with the most common types of color vision deficiency.
#3e3f3fProtanopia
no red cones#383a3fDeuteranopia
no green cones#024441Tritanopia
no blue cones#3c3c3cAchromatopsia
no color vision
CSS examples
.background { background-color: #1b423f; }
.text { color: #1b423f; }
.border { border: 2px solid #1b423f; }
.transparent { background-color: rgb(27 66 63 / 50%); }
.gradient { background: linear-gradient(to right, #1b423f, #1b3242); }
Similar colors
#12403cBotanical Night#224347Emerald Forest#024a43Tropical Forest#014d4eDark Teal#2f4f4fDark Slate Gray#27454aMysterious Waters#264334Everglade#33534bHunter
Questions
- What color is #1B423F?
- #1B423F is a very dark, desaturated cyan, closest to the named color Botanical Night. It belongs to the teal family of colors.
- What is the RGB value of #1B423F?
- The RGB value is 27, 66, 63: 27 red, 66 green and 63 blue on a 0 to 255 scale.
- What is the complementary color of #1B423F?
- The complementary color is #421B1E, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1B423F?
- White text. Black text has a contrast ratio of 1.9:1 and white text 11.07:1. WCAG asks for at least 4.5:1 for normal text.