What color is #1D373F?

#1D373F is a very dark, desaturated cyan, closest to the named color Astral Nomad. It belongs to the gray family of colors.

What is the RGB value of #1D373F?

The RGB value is 29, 55, 63: 29 red, 55 green and 63 blue on a 0 to 255 scale.

What is the complementary color of #1D373F?

The complementary color is #3F251D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1D373F?

White text. Black text has a contrast ratio of 1.67:1 and white text 12.57:1. WCAG asks for at least 4.5:1 for normal text.

#1D373F color

#1D373F rgb(29, 55, 63)

Shades of gray

The hex color #1D373F is a very dark, desaturated cyan.

In the RGB color model it is made of 11.4% red, 21.6% green and 24.7% blue (29, 55, 63).

Its hue angle is 194°, with 37% saturation and 18% lightness. For print, the CMYK equivalent is 54% cyan, 13% magenta, 0% yellow and 75% black.

The closest named color is Astral Nomad (#203943), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 12.57:1).

#1D373F color codes

HEX	`#1D373F`
RGB	`rgb(29, 55, 63)`
RGB percent	`rgb(11.4%, 21.6%, 24.7%)`
HSL	`hsl(194, 37%, 18%)`
HSV / HSB	`hsv(194, 54%, 25%)`
CMYK	`cmyk(54%, 13%, 0%, 75%)`
CIE LAB	`lab(21.4, -7.35, -8.09)`
CIE LCH	`lch(21.4, 10.93, 227.72)`
CIE XYZ	`xyz(2.77, 3.352, 5.203)`
Decimal	`1914687`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1D373F, 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 #1D373F	Ratio	AA	AAA	AA large
Sample text	1.67:1	Fail	Fail	Fail
Sample text	12.57:1	Pass	Pass	Pass

#1D373F as text on	Ratio	AA	AAA	AA large
Sample text	12.57:1	Pass	Pass	Pass
Sample text	1.67:1	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 #1D373F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1d373f; }
.text { color: #1d373f; }
.border { border: 2px solid #1d373f; }
.transparent { background-color: rgb(29 55 63 / 50%); }
.gradient { background: linear-gradient(to right, #1d373f, #1d263f); }

Background

Text color

Border

Similar colors

Closest common color name: Gunmetal.

Questions

What color is #1D373F?: #1D373F is a very dark, desaturated cyan, closest to the named color Astral Nomad. It belongs to the gray family of colors.
What is the RGB value of #1D373F?: The RGB value is 29, 55, 63: 29 red, 55 green and 63 blue on a 0 to 255 scale.
What is the complementary color of #1D373F?: The complementary color is #3F251D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1D373F?: White text. Black text has a contrast ratio of 1.67:1 and white text 12.57:1. WCAG asks for at least 4.5:1 for normal text.