#1C3547 color
The hex color #1C3547 is a very dark, desaturated azure.
In the RGB color model it is made of 11% red, 20.8% green and 27.8% blue (28, 53, 71).
Its hue angle is 205°, with 43% saturation and 19% lightness. For print, the CMYK equivalent is 61% cyan, 25% magenta, 0% yellow and 72% black.
The closest named color is Blue Whale (#1E3442), a difference of 1.9 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 12.73:1).
#1C3547 color codes
| HEX | #1C3547 | |
|---|---|---|
| RGB | rgb(28, 53, 71) | |
| RGB percent | rgb(11%, 20.8%, 27.8%) | |
| HSL | hsl(205, 43%, 19%) | |
| HSV / HSB | hsv(205, 61%, 28%) | |
| CMYK | cmyk(61%, 25%, 0%, 72%) | |
| CIE LAB | lab(21.01, -3.49, -14.09) | |
| CIE LCH | lch(21.01, 14.52, 256.1) | |
| CIE XYZ | xyz(2.889, 3.248, 6.435) | |
| Decimal | 1848647 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1C3547, 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 #1C3547 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.65:1 | Fail | Fail | Fail |
| Sample text | 12.73:1 | Pass | Pass | Pass |
| #1C3547 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 12.73:1 | Pass | Pass | Pass |
| Sample text | 1.65:1 | 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 #1C3547 looks to people with the most common types of color vision deficiency.
#2d3548Protanopia
no red cones#273147Deuteranopia
no green cones#02393bTritanopia
no blue cones#323232Achromatopsia
no color vision
CSS examples
.background { background-color: #1c3547; }
.text { color: #1c3547; }
.border { border: 2px solid #1c3547; }
.transparent { background-color: rgb(28 53 71 / 50%); }
.gradient { background: linear-gradient(to right, #1c3547, #1c2047); }
Similar colors
#1e3442Blue Whale#0b334dSea of Stars#1e3642Into the Night#253f4eDepths of the Nile#243640Petrol Slumber#1a4157Capital Blue#172b36Oceanic Noir#203943Astral Nomad
Closest common color name: Prussian Blue.
Questions
- What color is #1C3547?
- #1C3547 is a very dark, desaturated azure, closest to the named color Blue Whale. It belongs to the blue family of colors.
- What is the RGB value of #1C3547?
- The RGB value is 28, 53, 71: 28 red, 53 green and 71 blue on a 0 to 255 scale.
- What is the complementary color of #1C3547?
- The complementary color is #472E1C, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1C3547?
- White text. Black text has a contrast ratio of 1.65:1 and white text 12.73:1. WCAG asks for at least 4.5:1 for normal text.