What color is #1D3E59?

#1D3E59 is a dark, moderate azure, closest to the named color Poseidon. It belongs to the blue family of colors.

What is the RGB value of #1D3E59?

The RGB value is 29, 62, 89: 29 red, 62 green and 89 blue on a 0 to 255 scale.

What is the complementary color of #1D3E59?

The complementary color is #59381D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1D3E59?

White text. Black text has a contrast ratio of 1.89:1 and white text 11.14:1. WCAG asks for at least 4.5:1 for normal text.

#1D3E59 color

#1D3E59 rgb(29, 62, 89)

Shades of blue

The hex color #1D3E59 is a dark, moderate azure.

In the RGB color model it is made of 11.4% red, 24.3% green and 34.9% blue (29, 62, 89).

Its hue angle is 207°, with 51% saturation and 23% lightness. For print, the CMYK equivalent is 67% cyan, 30% magenta, 0% yellow and 65% black.

The closest named color is Poseidon (#143C5D), a difference of 2 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.14:1).

#1D3E59 color codes

HEX	`#1D3E59`
RGB	`rgb(29, 62, 89)`
RGB percent	`rgb(11.4%, 24.3%, 34.9%)`
HSL	`hsl(207, 51%, 23%)`
HSV / HSB	`hsv(207, 67%, 35%)`
CMYK	`cmyk(67%, 30%, 0%, 65%)`
CIE LAB	`lab(25.04, -2.5, -19.76)`
CIE LCH	`lch(25.04, 19.91, 262.78)`
CIE XYZ	`xyz(4.032, 4.427, 10.091)`
Decimal	`1916505`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1D3E59, 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 #1D3E59	Ratio	AA	AAA	AA large
Sample text	1.89:1	Fail	Fail	Fail
Sample text	11.14:1	Pass	Pass	Pass

#1D3E59 as text on	Ratio	AA	AAA	AA large
Sample text	11.14:1	Pass	Pass	Pass
Sample text	1.89:1	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 #1D3E59 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1d3e59; }
.text { color: #1d3e59; }
.border { border: 2px solid #1d3e59; }
.transparent { background-color: rgb(29 62 89 / 50%); }
.gradient { background: linear-gradient(to right, #1d3e59, #1d2059); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #1D3E59?: #1D3E59 is a dark, moderate azure, closest to the named color Poseidon. It belongs to the blue family of colors.
What is the RGB value of #1D3E59?: The RGB value is 29, 62, 89: 29 red, 62 green and 89 blue on a 0 to 255 scale.
What is the complementary color of #1D3E59?: The complementary color is #59381D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1D3E59?: White text. Black text has a contrast ratio of 1.89:1 and white text 11.14:1. WCAG asks for at least 4.5:1 for normal text.