What color is #1F234C?

#1F234C is a dark, desaturated blue, closest to the named color Fly-by-Night. It belongs to the blue family of colors.

What is the RGB value of #1F234C?

The RGB value is 31, 35, 76: 31 red, 35 green and 76 blue on a 0 to 255 scale.

What is the complementary color of #1F234C?

The complementary color is #4C481F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F234C?

White text. Black text has a contrast ratio of 1.4:1 and white text 14.97:1. WCAG asks for at least 4.5:1 for normal text.

#1F234C color

#1F234C rgb(31, 35, 76)

Shades of blue

The hex color #1F234C is a dark, desaturated blue.

In the RGB color model it is made of 12.2% red, 13.7% green and 29.8% blue (31, 35, 76).

Its hue angle is 235°, with 42% saturation and 21% lightness. For print, the CMYK equivalent is 59% cyan, 54% magenta, 0% yellow and 70% black.

The closest named color is Fly-by-Night (#1C1E4D), a difference of 2.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 14.97:1).

#1F234C color codes

HEX	`#1F234C`
RGB	`rgb(31, 35, 76)`
RGB percent	`rgb(12.2%, 13.7%, 29.8%)`
HSL	`hsl(235, 42%, 21%)`
HSV / HSB	`hsv(235, 59%, 30%)`
CMYK	`cmyk(59%, 54%, 0%, 70%)`
CIE LAB	`lab(15.57, 12.04, -26.06)`
CIE LCH	`lch(15.57, 28.71, 294.81)`
CIE XYZ	`xyz(2.47, 2.015, 7.095)`
Decimal	`2040652`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F234C, 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 #1F234C	Ratio	AA	AAA	AA large
Sample text	1.4:1	Fail	Fail	Fail
Sample text	14.97:1	Pass	Pass	Pass

#1F234C as text on	Ratio	AA	AAA	AA large
Sample text	14.97:1	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 #1F234C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f234c; }
.text { color: #1f234c; }
.border { border: 2px solid #1f234c; }
.transparent { background-color: rgb(31 35 76 / 50%); }
.gradient { background: linear-gradient(to right, #1f234c, #311f4c); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #1F234C?: #1F234C is a dark, desaturated blue, closest to the named color Fly-by-Night. It belongs to the blue family of colors.
What is the RGB value of #1F234C?: The RGB value is 31, 35, 76: 31 red, 35 green and 76 blue on a 0 to 255 scale.
What is the complementary color of #1F234C?: The complementary color is #4C481F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F234C?: White text. Black text has a contrast ratio of 1.4:1 and white text 14.97:1. WCAG asks for at least 4.5:1 for normal text.