Royal Neptune color: hex code #1C3B42

#1C3B42 rgb(28, 59, 66)
Shades of gray

Royal Neptune has the hex code #1C3B42. It is a very dark, desaturated cyan.

In the RGB color model it is made of 11% red, 23.1% green and 25.9% blue (28, 59, 66).

Its hue angle is 191°, with 40% saturation and 18% lightness. For print, the CMYK equivalent is 58% cyan, 11% magenta, 0% yellow and 74% black.

White text is the more readable choice on this background (contrast 11.98:1).

Royal Neptune (#1C3B42) color codes

HEX#1C3B42
RGBrgb(28, 59, 66)
RGB percentrgb(11%, 23.1%, 25.9%)
HSLhsl(191, 40%, 18%)
HSV / HSBhsv(191, 58%, 26%)
CMYKcmyk(58%, 11%, 0%, 74%)
CIE LABlab(22.89, -9.16, -7.86)
CIE LCHlch(22.89, 12.07, 220.64)
CIE XYZxyz(3.026, 3.768, 5.721)
Decimal1850178
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with Royal Neptune, 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 #1C3B42RatioAAAAAAA large
Sample text1.75:1FailFailFail
Sample text11.98:1PassPassPass
#1C3B42 as text onRatioAAAAAAA large
Sample text11.98:1PassPassPass
Sample text1.75:1FailFailFail

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 #1C3B42 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1c3b42; }
.text { color: #1c3b42; }
.border { border: 2px solid #1c3b42; }
.transparent { background-color: rgb(28 59 66 / 50%); }
.gradient { background: linear-gradient(to right, #1c3b42, #1c2842); }
Background
Text color
Border

Similar colors

Closest common color name: Gunmetal.

See #1C3B42 on its hex code page

Questions

What color is #1C3B42?
#1C3B42 is a very dark, desaturated cyan known as Royal Neptune. It belongs to the gray family of colors.
What is the RGB value of Royal Neptune?
The RGB value is 28, 59, 66: 28 red, 59 green and 66 blue on a 0 to 255 scale.
What is the complementary color of Royal Neptune?
The complementary color is #42231C, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1C3B42?
White text. Black text has a contrast ratio of 1.75:1 and white text 11.98:1. WCAG asks for at least 4.5:1 for normal text.