What color is #1F231C?

#1F231C 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 #1F231C?

The RGB value is 31, 35, 28: 31 red, 35 green and 28 blue on a 0 to 255 scale.

What is the complementary color of #1F231C?

The complementary color is #201C23, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F231C?

White text. Black text has a contrast ratio of 1.32:1 and white text 15.96:1. WCAG asks for at least 4.5:1 for normal text.

#1F231C color

#1F231C rgb(31, 35, 28)

Shades of black

The hex color #1F231C is a very dark, grayish green.

In the RGB color model it is made of 12.2% red, 13.7% green and 11% blue (31, 35, 28).

Its hue angle is 94°, with 11% saturation and 12% lightness. For print, the CMYK equivalent is 11% cyan, 0% magenta, 20% yellow and 86% black.

The closest named color is Underworld (#1E231C), a difference of 0.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 15.96:1).

#1F231C color codes

HEX	`#1F231C`
RGB	`rgb(31, 35, 28)`
RGB percent	`rgb(12.2%, 13.7%, 11%)`
HSL	`hsl(94, 11%, 12%)`
HSV / HSB	`hsv(94, 20%, 14%)`
CMYK	`cmyk(11%, 0%, 20%, 86%)`
CIE LAB	`lab(13.09, -3.54, 4.09)`
CIE LCH	`lch(13.09, 5.41, 130.86)`
CIE XYZ	`xyz(1.376, 1.577, 1.33)`
Decimal	`2040604`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F231C, 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 #1F231C	Ratio	AA	AAA	AA large
Sample text	1.32:1	Fail	Fail	Fail
Sample text	15.96:1	Pass	Pass	Pass

#1F231C as text on	Ratio	AA	AAA	AA large
Sample text	15.96:1	Pass	Pass	Pass
Sample text	1.32:1	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 #1F231C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f231c; }
.text { color: #1f231c; }
.border { border: 2px solid #1f231c; }
.transparent { background-color: rgb(31 35 28 / 50%); }
.gradient { background: linear-gradient(to right, #1f231c, #1c231c); }

Background

Text color

Border

Similar colors

Closest common color name: Onyx.

Questions

What color is #1F231C?: #1F231C 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 #1F231C?: The RGB value is 31, 35, 28: 31 red, 35 green and 28 blue on a 0 to 255 scale.
What is the complementary color of #1F231C?: The complementary color is #201C23, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F231C?: White text. Black text has a contrast ratio of 1.32:1 and white text 15.96:1. WCAG asks for at least 4.5:1 for normal text.