What color is #1F3330?

#1F3330 is a very dark, grayish spring green, closest to the named color Swamp Thing. It belongs to the black family of colors.

What is the RGB value of #1F3330?

The RGB value is 31, 51, 48: 31 red, 51 green and 48 blue on a 0 to 255 scale.

What is the complementary color of #1F3330?

The complementary color is #331F22, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F3330?

White text. Black text has a contrast ratio of 1.57:1 and white text 13.34:1. WCAG asks for at least 4.5:1 for normal text.

#1F3330 color

#1F3330 rgb(31, 51, 48)

Shades of black

The hex color #1F3330 is a very dark, grayish spring green.

In the RGB color model it is made of 12.2% red, 20% green and 18.8% blue (31, 51, 48).

Its hue angle is 171°, with 24% saturation and 16% lightness. For print, the CMYK equivalent is 39% cyan, 0% magenta, 6% yellow and 80% black.

The closest named color is Swamp Thing (#162825), a difference of 3.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 13.34:1).

#1F3330 color codes

HEX	`#1F3330`
RGB	`rgb(31, 51, 48)`
RGB percent	`rgb(12.2%, 20%, 18.8%)`
HSL	`hsl(171, 24%, 16%)`
HSV / HSB	`hsv(171, 39%, 20%)`
CMYK	`cmyk(39%, 0%, 6%, 80%)`
CIE LAB	`lab(19.52, -8.88, -0.66)`
CIE LCH	`lch(19.52, 8.9, 184.27)`
CIE XYZ	`xyz(2.282, 2.872, 3.23)`
Decimal	`2044720`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F3330, 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 #1F3330	Ratio	AA	AAA	AA large
Sample text	1.57:1	Fail	Fail	Fail
Sample text	13.34:1	Pass	Pass	Pass

#1F3330 as text on	Ratio	AA	AAA	AA large
Sample text	13.34:1	Pass	Pass	Pass
Sample text	1.57:1	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 #1F3330 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f3330; }
.text { color: #1f3330; }
.border { border: 2px solid #1f3330; }
.transparent { background-color: rgb(31 51 48 / 50%); }
.gradient { background: linear-gradient(to right, #1f3330, #1f2c33); }

Background

Text color

Border

Similar colors

Closest common color name: Onyx.

Questions

What color is #1F3330?: #1F3330 is a very dark, grayish spring green, closest to the named color Swamp Thing. It belongs to the black family of colors.
What is the RGB value of #1F3330?: The RGB value is 31, 51, 48: 31 red, 51 green and 48 blue on a 0 to 255 scale.
What is the complementary color of #1F3330?: The complementary color is #331F22, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F3330?: White text. Black text has a contrast ratio of 1.57:1 and white text 13.34:1. WCAG asks for at least 4.5:1 for normal text.