#1C1F31 color

#1C1F31 rgb(28, 31, 49)
Shades of blue

The hex color #1C1F31 is a very dark, desaturated blue.

In the RGB color model it is made of 11% red, 12.2% green and 19.2% blue (28, 31, 49).

Its hue angle is 231°, with 27% saturation and 15% lightness. For print, the CMYK equivalent is 43% cyan, 37% magenta, 0% yellow and 81% black.

The closest named color is Eclipse Elixir (#1F2133), a difference of 0.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.28:1).

#1C1F31 color codes

HEX#1C1F31
RGBrgb(28, 31, 49)
RGB percentrgb(11%, 12.2%, 19.2%)
HSLhsl(231, 27%, 15%)
HSV / HSBhsv(231, 43%, 19%)
CMYKcmyk(43%, 37%, 0%, 81%)
CIE LABlab(12.28, 4.17, -12.35)
CIE LCHlch(12.28, 13.03, 288.67)
CIE XYZxyz(1.523, 1.449, 3.104)
Decimal1842993
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #1C1F31, 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 #1C1F31RatioAAAAAAA large
Sample text1.29:1FailFailFail
Sample text16.28:1PassPassPass
#1C1F31 as text onRatioAAAAAAA large
Sample text16.28:1PassPassPass
Sample text1.29:1FailFailFail

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 #1C1F31 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1c1f31; }
.text { color: #1c1f31; }
.border { border: 2px solid #1c1f31; }
.transparent { background-color: rgb(28 31 49 / 50%); }
.gradient { background: linear-gradient(to right, #1c1f31, #241c31); }
Background
Text color
Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #1C1F31?
#1C1F31 is a very dark, desaturated blue, closest to the named color Eclipse Elixir. It belongs to the blue family of colors.
What is the RGB value of #1C1F31?
The RGB value is 28, 31, 49: 28 red, 31 green and 49 blue on a 0 to 255 scale.
What is the complementary color of #1C1F31?
The complementary color is #312E1C, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1C1F31?
White text. Black text has a contrast ratio of 1.29:1 and white text 16.28:1. WCAG asks for at least 4.5:1 for normal text.