#1B3850 color
The hex color #1B3850 is a dark, desaturated azure.
In the RGB color model it is made of 10.6% red, 22% green and 31.4% blue (27, 56, 80).
Its hue angle is 207°, with 50% saturation and 21% lightness. For print, the CMYK equivalent is 66% cyan, 30% magenta, 0% yellow and 69% black.
The closest named color is Sea of Stars (#0B334D), a difference of 2.2 ΔE, a small difference.
White text is the more readable choice on this background (contrast 12.15:1).
#1B3850 color codes
| HEX | #1B3850 | |
|---|---|---|
| RGB | rgb(27, 56, 80) | |
| RGB percent | rgb(10.6%, 22%, 31.4%) | |
| HSL | hsl(207, 50%, 21%) | |
| HSV / HSB | hsv(207, 66%, 31%) | |
| CMYK | cmyk(66%, 30%, 0%, 69%) | |
| CIE LAB | lab(22.44, -2.37, -17.89) | |
| CIE LCH | lch(22.44, 18.04, 262.45) | |
| CIE XYZ | xyz(3.314, 3.64, 8.116) | |
| Decimal | 1783888 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1B3850, 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 #1B3850 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.73:1 | Fail | Fail | Fail |
| Sample text | 12.15:1 | Pass | Pass | Pass |
| #1B3850 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 12.15:1 | Pass | Pass | Pass |
| Sample text | 1.73:1 | 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 #1B3850 looks to people with the most common types of color vision deficiency.
#2e3951Protanopia
no red cones#263350Deuteranopia
no green cones#003e40Tritanopia
no blue cones#363636Achromatopsia
no color vision
CSS examples
.background { background-color: #1b3850; }
.text { color: #1b3850; }
.border { border: 2px solid #1b3850; }
.transparent { background-color: rgb(27 56 80 / 50%); }
.gradient { background: linear-gradient(to right, #1b3850, #1b1e50); }
Similar colors
#0b334dSea of Stars#143c5dPoseidon#0a3251Beyond the Stars#003153Prussian Blue#1a4157Capital Blue#273c5aNautilus#1e3442Blue Whale#29465bOne Year of Rain
Questions
- What color is #1B3850?
- #1B3850 is a dark, desaturated azure, closest to the named color Sea of Stars. It belongs to the blue family of colors.
- What is the RGB value of #1B3850?
- The RGB value is 27, 56, 80: 27 red, 56 green and 80 blue on a 0 to 255 scale.
- What is the complementary color of #1B3850?
- The complementary color is #50331B, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1B3850?
- White text. Black text has a contrast ratio of 1.73:1 and white text 12.15:1. WCAG asks for at least 4.5:1 for normal text.