#1F281F color

#1F281F rgb(31, 40, 31)
Shades of black

The hex color #1F281F is a very dark, grayish green.

In the RGB color model it is made of 12.2% red, 15.7% green and 12.2% blue (31, 40, 31).

Its hue angle is 120°, with 13% saturation and 14% lightness. For print, the CMYK equivalent is 22% cyan, 0% magenta, 22% yellow and 84% black.

The closest named color is Underworld (#1E231C), a difference of 2.8 ΔE, a small difference.

White text is the more readable choice on this background (contrast 15.2:1).

#1F281F color codes

HEX#1F281F
RGBrgb(31, 40, 31)
RGB percentrgb(12.2%, 15.7%, 12.2%)
HSLhsl(120, 13%, 14%)
HSV / HSBhsv(120, 23%, 16%)
CMYKcmyk(22%, 0%, 22%, 84%)
CIE LABlab(15, -6.23, 4.64)
CIE LCHlch(15, 7.77, 143.32)
CIE XYZxyz(1.571, 1.908, 1.582)
Decimal2041887
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #1F281F, 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 #1F281FRatioAAAAAAA large
Sample text1.38:1FailFailFail
Sample text15.2:1PassPassPass
#1F281F as text onRatioAAAAAAA large
Sample text15.2:1PassPassPass
Sample text1.38:1FailFailFail

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 #1F281F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f281f; }
.text { color: #1f281f; }
.border { border: 2px solid #1f281f; }
.transparent { background-color: rgb(31 40 31 / 50%); }
.gradient { background: linear-gradient(to right, #1f281f, #1f2824); }
Background
Text color
Border

Similar colors

Closest common color name: Onyx.

Questions

What color is #1F281F?
#1F281F is a very dark, grayish green, closest to the named color Underworld. It belongs to the black family of colors.
What is the RGB value of #1F281F?
The RGB value is 31, 40, 31: 31 red, 40 green and 31 blue on a 0 to 255 scale.
What is the complementary color of #1F281F?
The complementary color is #281F28, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F281F?
White text. Black text has a contrast ratio of 1.38:1 and white text 15.2:1. WCAG asks for at least 4.5:1 for normal text.