What color is #1F2830?

#1F2830 is a very dark, grayish azure, closest to the named color Infinity. It belongs to the black family of colors.

What is the RGB value of #1F2830?

The RGB value is 31, 40, 48: 31 red, 40 green and 48 blue on a 0 to 255 scale.

What is the complementary color of #1F2830?

The complementary color is #30271F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F2830?

White text. Black text has a contrast ratio of 1.4:1 and white text 14.95:1. WCAG asks for at least 4.5:1 for normal text.

#1F2830 color

#1F2830 rgb(31, 40, 48)

Shades of black

The hex color #1F2830 is a very dark, grayish azure.

In the RGB color model it is made of 12.2% red, 15.7% green and 18.8% blue (31, 40, 48).

Its hue angle is 208°, with 22% saturation and 15% lightness. For print, the CMYK equivalent is 35% cyan, 17% magenta, 0% yellow and 81% black.

The closest named color is Infinity (#222831), a difference of 2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 14.95:1).

#1F2830 color codes

HEX	`#1F2830`
RGB	`rgb(31, 40, 48)`
RGB percent	`rgb(12.2%, 15.7%, 18.8%)`
HSL	`hsl(208, 22%, 15%)`
HSV / HSB	`hsv(208, 35%, 19%)`
CMYK	`cmyk(35%, 17%, 0%, 81%)`
CIE LAB	`lab(15.6, -1.55, -6.5)`
CIE LCH	`lch(15.6, 6.69, 256.6)`
CIE XYZ	`xyz(1.857, 2.022, 3.088)`
Decimal	`2041904`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F2830, 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 #1F2830	Ratio	AA	AAA	AA large
Sample text	1.4:1	Fail	Fail	Fail
Sample text	14.95:1	Pass	Pass	Pass

#1F2830 as text on	Ratio	AA	AAA	AA large
Sample text	14.95:1	Pass	Pass	Pass
Sample text	1.4:1	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 #1F2830 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f2830; }
.text { color: #1f2830; }
.border { border: 2px solid #1f2830; }
.transparent { background-color: rgb(31 40 48 / 50%); }
.gradient { background: linear-gradient(to right, #1f2830, #1f2030); }

Background

Text color

Border

Similar colors

Questions

What color is #1F2830?: #1F2830 is a very dark, grayish azure, closest to the named color Infinity. It belongs to the black family of colors.
What is the RGB value of #1F2830?: The RGB value is 31, 40, 48: 31 red, 40 green and 48 blue on a 0 to 255 scale.
What is the complementary color of #1F2830?: The complementary color is #30271F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F2830?: White text. Black text has a contrast ratio of 1.4:1 and white text 14.95:1. WCAG asks for at least 4.5:1 for normal text.