#243F43 color
The hex color #243F43 is a dark, desaturated cyan.
In the RGB color model it is made of 14.1% red, 24.7% green and 26.3% blue (36, 63, 67).
Its hue angle is 188°, with 30% saturation and 20% lightness. For print, the CMYK equivalent is 46% cyan, 6% magenta, 0% yellow and 74% black.
The closest named color is Sunken Harbour (#1C3D44), a difference of 1.9 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 11.25:1).
#243F43 color codes
| HEX | #243F43 | |
|---|---|---|
| RGB | rgb(36, 63, 67) | |
| RGB percent | rgb(14.1%, 24.7%, 26.3%) | |
| HSL | hsl(188, 30%, 20%) | |
| HSV / HSB | hsv(188, 46%, 26%) | |
| CMYK | cmyk(46%, 6%, 0%, 74%) | |
| CIE LAB | lab(24.75, -9.02, -5.68) | |
| CIE LCH | lch(24.75, 10.66, 212.22) | |
| CIE XYZ | xyz(3.518, 4.335, 5.96) | |
| Decimal | 2375491 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #243F43, 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 #243F43 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.87:1 | Fail | Fail | Fail |
| Sample text | 11.25:1 | Pass | Pass | Pass |
| #243F43 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 11.25:1 | Pass | Pass | Pass |
| Sample text | 1.87:1 | 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 #243F43 looks to people with the most common types of color vision deficiency.
#3b3d43Protanopia
no red cones#363943Deuteranopia
no green cones#174140Tritanopia
no blue cones#3b3b3bAchromatopsia
no color vision
CSS examples
.background { background-color: #243f43; }
.text { color: #243f43; }
.border { border: 2px solid #243f43; }
.transparent { background-color: rgb(36 63 67 / 50%); }
.gradient { background: linear-gradient(to right, #243f43, #242f43); }
Similar colors
#1c3d44Sunken Harbour#224347Emerald Forest#27454aMysterious Waters#1c3b42Royal Neptune#2d454aLittle Mermaid#133337Elite Teal#203943Astral Nomad#154250Cold and Dark
Closest common color name: Dark Slate Gray.
Questions
- What color is #243F43?
- #243F43 is a dark, desaturated cyan, closest to the named color Sunken Harbour. It belongs to the gray family of colors.
- What is the RGB value of #243F43?
- The RGB value is 36, 63, 67: 36 red, 63 green and 67 blue on a 0 to 255 scale.
- What is the complementary color of #243F43?
- The complementary color is #432824, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #243F43?
- White text. Black text has a contrast ratio of 1.87:1 and white text 11.25:1. WCAG asks for at least 4.5:1 for normal text.