#243B65 color
The hex color #243B65 is a dark, desaturated azure.
In the RGB color model it is made of 14.1% red, 23.1% green and 39.6% blue (36, 59, 101).
Its hue angle is 219°, with 47% saturation and 27% lightness. For print, the CMYK equivalent is 64% cyan, 42% magenta, 0% yellow and 60% black.
The closest named color is Napoleonic Blue (#2C4170), a difference of 2.4 ΔE, a small difference.
White text is the more readable choice on this background (contrast 11.12:1).
#243B65 color codes
| HEX | #243B65 | |
|---|---|---|
| RGB | rgb(36, 59, 101) | |
| RGB percent | rgb(14.1%, 23.1%, 39.6%) | |
| HSL | hsl(219, 47%, 27%) | |
| HSV / HSB | hsv(219, 64%, 40%) | |
| CMYK | cmyk(64%, 42%, 0%, 60%) | |
| CIE LAB | lab(25.08, 5.65, -27.45) | |
| CIE LCH | lch(25.08, 28.03, 281.64) | |
| CIE XYZ | xyz(4.64, 4.442, 12.922) | |
| Decimal | 2374501 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #243B65, 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 #243B65 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.89:1 | Fail | Fail | Fail |
| Sample text | 11.12:1 | Pass | Pass | Pass |
| #243B65 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 11.12:1 | Pass | Pass | Pass |
| Sample text | 1.89:1 | 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 #243B65 looks to people with the most common types of color vision deficiency.
#293f67Protanopia
no red cones#203964Deuteranopia
no green cones#00444bTritanopia
no blue cones#3b3b3bAchromatopsia
no color vision
CSS examples
.background { background-color: #243b65; }
.text { color: #243b65; }
.border { border: 2px solid #243b65; }
.transparent { background-color: rgb(36 59 101 / 50%); }
.gradient { background: linear-gradient(to right, #243b65, #2d2465); }
Similar colors
#2c4170Napoleonic Blue#27426bNightlife#2d4470Blue Funk#273c5aNautilus#2c4364Black Turmeric#324471Space Missions#1b416fAegean Blue#03386aLost in Space
Closest common color name: Prussian Blue.
Questions
- What color is #243B65?
- #243B65 is a dark, desaturated azure, closest to the named color Napoleonic Blue. It belongs to the blue family of colors.
- What is the RGB value of #243B65?
- The RGB value is 36, 59, 101: 36 red, 59 green and 101 blue on a 0 to 255 scale.
- What is the complementary color of #243B65?
- The complementary color is #654E24, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #243B65?
- White text. Black text has a contrast ratio of 1.89:1 and white text 11.12:1. WCAG asks for at least 4.5:1 for normal text.