#182E3B color
The hex color #182E3B is a very dark, desaturated azure.
In the RGB color model it is made of 9.4% red, 18% green and 23.1% blue (24, 46, 59).
Its hue angle is 202°, with 42% saturation and 16% lightness. For print, the CMYK equivalent is 59% cyan, 22% magenta, 0% yellow and 77% black.
The closest named color is Oceanic Noir (#172B36), a difference of 1.3 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 14.07:1).
#182E3B color codes
| HEX | #182E3B | |
|---|---|---|
| RGB | rgb(24, 46, 59) | |
| RGB percent | rgb(9.4%, 18%, 23.1%) | |
| HSL | hsl(202, 42%, 16%) | |
| HSV / HSB | hsv(202, 59%, 23%) | |
| CMYK | cmyk(59%, 22%, 0%, 77%) | |
| CIE LAB | lab(17.75, -4.24, -10.95) | |
| CIE LCH | lch(17.75, 11.74, 248.82) | |
| CIE XYZ | xyz(2.143, 2.464, 4.499) | |
| Decimal | 1584699 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #182E3B, 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 #182E3B | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.49:1 | Fail | Fail | Fail |
| Sample text | 14.07:1 | Pass | Pass | Pass |
| #182E3B as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 14.07:1 | Pass | Pass | Pass |
| Sample text | 1.49:1 | 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 #182E3B looks to people with the most common types of color vision deficiency.
#282e3cProtanopia
no red cones#232a3bDeuteranopia
no green cones#053132Tritanopia
no blue cones#2b2b2bAchromatopsia
no color vision
CSS examples
.background { background-color: #182e3b; }
.text { color: #182e3b; }
.border { border: 2px solid #182e3b; }
.transparent { background-color: rgb(24 46 59 / 50%); }
.gradient { background: linear-gradient(to right, #182e3b, #181d3b); }
Similar colors
#172b36Oceanic Noir#1e3442Blue Whale#1e3642Into the Night#243640Petrol Slumber#203943Astral Nomad#002233Midnight Dreams#003344Nordic Noir#0f282fBlack Box
Closest common color name: Gunmetal.
Questions
- What color is #182E3B?
- #182E3B is a very dark, desaturated azure, closest to the named color Oceanic Noir. It belongs to the black family of colors.
- What is the RGB value of #182E3B?
- The RGB value is 24, 46, 59: 24 red, 46 green and 59 blue on a 0 to 255 scale.
- What is the complementary color of #182E3B?
- The complementary color is #3B2518, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #182E3B?
- White text. Black text has a contrast ratio of 1.49:1 and white text 14.07:1. WCAG asks for at least 4.5:1 for normal text.