#183237 color
The hex color #183237 is a very dark, desaturated cyan.
In the RGB color model it is made of 9.4% red, 19.6% green and 21.6% blue (24, 50, 55).
Its hue angle is 190°, with 39% saturation and 15% lightness. For print, the CMYK equivalent is 56% cyan, 9% magenta, 0% yellow and 78% black.
The closest named color is Elite Teal (#133337), a difference of 1.9 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 13.55:1).
#183237 color codes
| HEX | #183237 | |
|---|---|---|
| RGB | rgb(24, 50, 55) | |
| RGB percent | rgb(9.4%, 19.6%, 21.6%) | |
| HSL | hsl(190, 39%, 15%) | |
| HSV / HSB | hsv(190, 56%, 22%) | |
| CMYK | cmyk(56%, 9%, 0%, 78%) | |
| CIE LAB | lab(19.02, -8.3, -6.27) | |
| CIE LCH | lch(19.02, 10.4, 217.05) | |
| CIE XYZ | xyz(2.207, 2.751, 4.028) | |
| Decimal | 1585719 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #183237, 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 #183237 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.55:1 | Fail | Fail | Fail |
| Sample text | 13.55:1 | Pass | Pass | Pass |
| #183237 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 13.55:1 | Pass | Pass | Pass |
| Sample text | 1.55:1 | 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 #183237 looks to people with the most common types of color vision deficiency.
#2e3037Protanopia
no red cones#292d37Deuteranopia
no green cones#073433Tritanopia
no blue cones#2e2e2eAchromatopsia
no color vision
CSS examples
.background { background-color: #183237; }
.text { color: #183237; }
.border { border: 2px solid #183237; }
.transparent { background-color: rgb(24 50 55 / 50%); }
.gradient { background: linear-gradient(to right, #183237, #182337); }
Similar colors
#133337Elite Teal#1c3b42Royal Neptune#0f282fBlack Box#1c3d44Sunken Harbour#203943Astral Nomad#10252aSunken Ship#1e3642Into the Night#243640Petrol Slumber
Closest common color name: Gunmetal.
Questions
- What color is #183237?
- #183237 is a very dark, desaturated cyan, closest to the named color Elite Teal. It belongs to the black family of colors.
- What is the RGB value of #183237?
- The RGB value is 24, 50, 55: 24 red, 50 green and 55 blue on a 0 to 255 scale.
- What is the complementary color of #183237?
- The complementary color is #371D18, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #183237?
- White text. Black text has a contrast ratio of 1.55:1 and white text 13.55:1. WCAG asks for at least 4.5:1 for normal text.