#1D3C4F color
The hex color #1D3C4F is a dark, desaturated azure.
In the RGB color model it is made of 11.4% red, 23.5% green and 31% blue (29, 60, 79).
Its hue angle is 203°, with 46% saturation and 21% lightness. For print, the CMYK equivalent is 63% cyan, 24% magenta, 0% yellow and 69% black.
The closest named color is Capital Blue (#1A4157), a difference of 2 ΔE, a small difference.
White text is the more readable choice on this background (contrast 11.59:1).
#1D3C4F color codes
| HEX | #1D3C4F | |
|---|---|---|
| RGB | rgb(29, 60, 79) | |
| RGB percent | rgb(11.4%, 23.5%, 31%) | |
| HSL | hsl(203, 46%, 21%) | |
| HSV / HSB | hsv(203, 63%, 31%) | |
| CMYK | cmyk(63%, 24%, 0%, 69%) | |
| CIE LAB | lab(23.86, -4.94, -15.02) | |
| CIE LCH | lch(23.86, 15.81, 251.81) | |
| CIE XYZ | xyz(3.533, 4.057, 7.993) | |
| Decimal | 1915983 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1D3C4F, 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 #1D3C4F | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.81:1 | Fail | Fail | Fail |
| Sample text | 11.59:1 | Pass | Pass | Pass |
| #1D3C4F as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 11.59:1 | Pass | Pass | Pass |
| Sample text | 1.81:1 | 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 #1D3C4F looks to people with the most common types of color vision deficiency.
#333c50Protanopia
no red cones#2c364fDeuteranopia
no green cones#004142Tritanopia
no blue cones#393939Achromatopsia
no color vision
CSS examples
.background { background-color: #1d3c4f; }
.text { color: #1d3c4f; }
.border { border: 2px solid #1d3c4f; }
.transparent { background-color: rgb(29 60 79 / 50%); }
.gradient { background: linear-gradient(to right, #1d3c4f, #1d234f); }
Similar colors
#1a4157Capital Blue#253f4eDepths of the Nile#1e3442Blue Whale#29465bOne Year of Rain#1e3642Into the Night#004058Maniac Mansion#0b334dSea of Stars#203943Astral Nomad
Closest common color name: Charcoal.
Questions
- What color is #1D3C4F?
- #1D3C4F is a dark, desaturated azure, closest to the named color Capital Blue. It belongs to the blue family of colors.
- What is the RGB value of #1D3C4F?
- The RGB value is 29, 60, 79: 29 red, 60 green and 79 blue on a 0 to 255 scale.
- What is the complementary color of #1D3C4F?
- The complementary color is #4F301D, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1D3C4F?
- White text. Black text has a contrast ratio of 1.81:1 and white text 11.59:1. WCAG asks for at least 4.5:1 for normal text.