#233851 color
The hex color #233851 is a dark, desaturated azure.
In the RGB color model it is made of 13.7% red, 22% green and 31.8% blue (35, 56, 81).
Its hue angle is 213°, with 40% saturation and 23% lightness. For print, the CMYK equivalent is 57% cyan, 31% magenta, 0% yellow and 68% black.
The closest named color is Nautilus (#273C5A), a difference of 2.4 ΔE, a small difference.
White text is the more readable choice on this background (contrast 11.96:1).
#233851 color codes
| HEX | #233851 | |
|---|---|---|
| RGB | rgb(35, 56, 81) | |
| RGB percent | rgb(13.7%, 22%, 31.8%) | |
| HSL | hsl(213, 40%, 23%) | |
| HSV / HSB | hsv(213, 57%, 32%) | |
| CMYK | cmyk(57%, 31%, 0%, 68%) | |
| CIE LAB | lab(22.93, 0, -17.76) | |
| CIE LCH | lch(22.93, 17.76, 269.99) | |
| CIE XYZ | xyz(3.592, 3.779, 8.323) | |
| Decimal | 2308177 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #233851, 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 #233851 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.76:1 | Fail | Fail | Fail |
| Sample text | 11.96:1 | Pass | Pass | Pass |
| #233851 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 11.96:1 | Pass | Pass | Pass |
| Sample text | 1.76:1 | 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 #233851 looks to people with the most common types of color vision deficiency.
#2e3952Protanopia
no red cones#283550Deuteranopia
no green cones#0b3e41Tritanopia
no blue cones#373737Achromatopsia
no color vision
CSS examples
.background { background-color: #233851; }
.text { color: #233851; }
.border { border: 2px solid #233851; }
.transparent { background-color: rgb(35 56 81 / 50%); }
.gradient { background: linear-gradient(to right, #233851, #252351); }
Similar colors
#273c5aNautilus#314159Pi#0a3251Beyond the Stars#143c5dPoseidon#0b334dSea of Stars#0f2d4dMidnight Ocean#2c4364Black Turmeric#353f51Dark & Stormy
Closest common color name: Prussian Blue.
Questions
- What color is #233851?
- #233851 is a dark, desaturated azure, closest to the named color Nautilus. It belongs to the blue family of colors.
- What is the RGB value of #233851?
- The RGB value is 35, 56, 81: 35 red, 56 green and 81 blue on a 0 to 255 scale.
- What is the complementary color of #233851?
- The complementary color is #513C23, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #233851?
- White text. Black text has a contrast ratio of 1.76:1 and white text 11.96:1. WCAG asks for at least 4.5:1 for normal text.