What color is #1D3574?

#1D3574 is a dark, moderate blue, closest to the named color Twilight Express. It belongs to the blue family of colors.

What is the RGB value of #1D3574?

The RGB value is 29, 53, 116: 29 red, 53 green and 116 blue on a 0 to 255 scale.

What is the complementary color of #1D3574?

The complementary color is #745C1D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1D3574?

White text. Black text has a contrast ratio of 1.81:1 and white text 11.58:1. WCAG asks for at least 4.5:1 for normal text.

#1D3574 color

#1D3574 rgb(29, 53, 116)

Shades of blue

The hex color #1D3574 is a dark, moderate blue.

In the RGB color model it is made of 11.4% red, 20.8% green and 45.5% blue (29, 53, 116).

Its hue angle is 223°, with 60% saturation and 28% lightness. For print, the CMYK equivalent is 75% cyan, 54% magenta, 0% yellow and 55% black.

The closest named color is Twilight Express (#1C3378), a difference of 1.2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.58:1).

#1D3574 color codes

HEX	`#1D3574`
RGB	`rgb(29, 53, 116)`
RGB percent	`rgb(11.4%, 20.8%, 45.5%)`
HSL	`hsl(223, 60%, 28%)`
HSV / HSB	`hsv(223, 75%, 45%)`
CMYK	`cmyk(75%, 54%, 0%, 55%)`
CIE LAB	`lab(23.89, 14.52, -39.01)`
CIE LCH	`lch(23.89, 41.62, 290.42)`
CIE XYZ	`xyz(4.931, 4.068, 17.045)`
Decimal	`1914228`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1D3574, 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 #1D3574	Ratio	AA	AAA	AA large
Sample text	1.81:1	Fail	Fail	Fail
Sample text	11.58:1	Pass	Pass	Pass

#1D3574 as text on	Ratio	AA	AAA	AA large
Sample text	11.58:1	Pass	Pass	Pass
Sample text	1.81:1	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 #1D3574 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1d3574; }
.text { color: #1d3574; }
.border { border: 2px solid #1d3574; }
.transparent { background-color: rgb(29 53 116 / 50%); }
.gradient { background: linear-gradient(to right, #1d3574, #301d74); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #1D3574?: #1D3574 is a dark, moderate blue, closest to the named color Twilight Express. It belongs to the blue family of colors.
What is the RGB value of #1D3574?: The RGB value is 29, 53, 116: 29 red, 53 green and 116 blue on a 0 to 255 scale.
What is the complementary color of #1D3574?: The complementary color is #745C1D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1D3574?: White text. Black text has a contrast ratio of 1.81:1 and white text 11.58:1. WCAG asks for at least 4.5:1 for normal text.