What color is #1D2739?

#1D2739 is a very dark, desaturated azure, closest to the named color Moonless Mystery. It belongs to the blue family of colors.

What is the RGB value of #1D2739?

The RGB value is 29, 39, 57: 29 red, 39 green and 57 blue on a 0 to 255 scale.

What is the complementary color of #1D2739?

The complementary color is #392F1D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1D2739?

White text. Black text has a contrast ratio of 1.4:1 and white text 14.98:1. WCAG asks for at least 4.5:1 for normal text.

#1D2739 color

#1D2739 rgb(29, 39, 57)

Shades of blue

The hex color #1D2739 is a very dark, desaturated azure.

In the RGB color model it is made of 11.4% red, 15.3% green and 22.4% blue (29, 39, 57).

Its hue angle is 219°, with 33% saturation and 17% lightness. For print, the CMYK equivalent is 49% cyan, 32% magenta, 0% yellow and 78% black.

The closest named color is Moonless Mystery (#1E2433), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 14.98:1).

#1D2739 color codes

HEX	`#1D2739`
RGB	`rgb(29, 39, 57)`
RGB percent	`rgb(11.4%, 15.3%, 22.4%)`
HSL	`hsl(219, 33%, 17%)`
HSV / HSB	`hsv(219, 49%, 22%)`
CMYK	`cmyk(49%, 32%, 0%, 78%)`
CIE LAB	`lab(15.53, 1.47, -12.97)`
CIE LCH	`lch(15.53, 13.05, 276.44)`
CIE XYZ	`xyz(1.97, 2.008, 4.154)`
Decimal	`1910585`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1D2739, 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 #1D2739	Ratio	AA	AAA	AA large
Sample text	1.4:1	Fail	Fail	Fail
Sample text	14.98:1	Pass	Pass	Pass

#1D2739 as text on	Ratio	AA	AAA	AA large
Sample text	14.98:1	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 #1D2739 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1d2739; }
.text { color: #1d2739; }
.border { border: 2px solid #1d2739; }
.transparent { background-color: rgb(29 39 57 / 50%); }
.gradient { background: linear-gradient(to right, #1d2739, #211d39); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #1D2739?: #1D2739 is a very dark, desaturated azure, closest to the named color Moonless Mystery. It belongs to the blue family of colors.
What is the RGB value of #1D2739?: The RGB value is 29, 39, 57: 29 red, 39 green and 57 blue on a 0 to 255 scale.
What is the complementary color of #1D2739?: The complementary color is #392F1D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1D2739?: White text. Black text has a contrast ratio of 1.4:1 and white text 14.98:1. WCAG asks for at least 4.5:1 for normal text.