What color is #1F243A?

#1F243A is a very dark, desaturated blue, closest to the named color Midnight Express. It belongs to the blue family of colors.

What is the RGB value of #1F243A?

The RGB value is 31, 36, 58: 31 red, 36 green and 58 blue on a 0 to 255 scale.

What is the complementary color of #1F243A?

The complementary color is #3A351F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F243A?

White text. Black text has a contrast ratio of 1.37:1 and white text 15.31:1. WCAG asks for at least 4.5:1 for normal text.

#1F243A color

#1F243A rgb(31, 36, 58)

Shades of blue

The hex color #1F243A is a very dark, desaturated blue.

In the RGB color model it is made of 12.2% red, 14.1% green and 22.7% blue (31, 36, 58).

Its hue angle is 229°, with 30% saturation and 17% lightness. For print, the CMYK equivalent is 47% cyan, 38% magenta, 0% yellow and 77% black.

The closest named color is Midnight Express (#21263A), a difference of 1.2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 15.31:1).

#1F243A color codes

HEX	`#1F243A`
RGB	`rgb(31, 36, 58)`
RGB percent	`rgb(12.2%, 14.1%, 22.7%)`
HSL	`hsl(229, 30%, 17%)`
HSV / HSB	`hsv(229, 47%, 23%)`
CMYK	`cmyk(47%, 38%, 0%, 77%)`
CIE LAB	`lab(14.73, 4.66, -14.91)`
CIE LCH	`lch(14.73, 15.62, 287.35)`
CIE XYZ	`xyz(1.959, 1.858, 4.258)`
Decimal	`2040890`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F243A, 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 #1F243A	Ratio	AA	AAA	AA large
Sample text	1.37:1	Fail	Fail	Fail
Sample text	15.31:1	Pass	Pass	Pass

#1F243A as text on	Ratio	AA	AAA	AA large
Sample text	15.31:1	Pass	Pass	Pass
Sample text	1.37:1	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 #1F243A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f243a; }
.text { color: #1f243a; }
.border { border: 2px solid #1f243a; }
.transparent { background-color: rgb(31 36 58 / 50%); }
.gradient { background: linear-gradient(to right, #1f243a, #281f3a); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #1F243A?: #1F243A is a very dark, desaturated blue, closest to the named color Midnight Express. It belongs to the blue family of colors.
What is the RGB value of #1F243A?: The RGB value is 31, 36, 58: 31 red, 36 green and 58 blue on a 0 to 255 scale.
What is the complementary color of #1F243A?: The complementary color is #3A351F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F243A?: White text. Black text has a contrast ratio of 1.37:1 and white text 15.31:1. WCAG asks for at least 4.5:1 for normal text.