What color is #1D3F42?

#1D3F42 is a very dark, desaturated cyan, closest to the named color Emerald Forest. It belongs to the gray family of colors.

What is the RGB value of #1D3F42?

The RGB value is 29, 63, 66: 29 red, 63 green and 66 blue on a 0 to 255 scale.

What is the complementary color of #1D3F42?

The complementary color is #42201D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1D3F42?

White text. Black text has a contrast ratio of 1.84:1 and white text 11.4:1. WCAG asks for at least 4.5:1 for normal text.

#1D3F42 color

#1D3F42 rgb(29, 63, 66)

Shades of gray

The hex color #1D3F42 is a very dark, desaturated cyan.

In the RGB color model it is made of 11.4% red, 24.7% green and 25.9% blue (29, 63, 66).

Its hue angle is 185°, with 39% saturation and 19% lightness. For print, the CMYK equivalent is 56% cyan, 5% magenta, 0% yellow and 74% black.

The closest named color is Emerald Forest (#224347), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.4:1).

#1D3F42 color codes

HEX	`#1D3F42`
RGB	`rgb(29, 63, 66)`
RGB percent	`rgb(11.4%, 24.7%, 25.9%)`
HSL	`hsl(185, 39%, 19%)`
HSV / HSB	`hsv(185, 56%, 26%)`
CMYK	`cmyk(56%, 5%, 0%, 74%)`
CIE LAB	`lab(24.35, -11.36, -5.65)`
CIE LCH	`lch(24.35, 12.69, 206.46)`
CIE XYZ	`xyz(3.267, 4.209, 5.794)`
Decimal	`1916738`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1D3F42, 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 #1D3F42	Ratio	AA	AAA	AA large
Sample text	1.84:1	Fail	Fail	Fail
Sample text	11.4:1	Pass	Pass	Pass

#1D3F42 as text on	Ratio	AA	AAA	AA large
Sample text	11.4:1	Pass	Pass	Pass
Sample text	1.84:1	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 #1D3F42 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1d3f42; }
.text { color: #1d3f42; }
.border { border: 2px solid #1d3f42; }
.transparent { background-color: rgb(29 63 66 / 50%); }
.gradient { background: linear-gradient(to right, #1d3f42, #1d2c42); }

Background

Text color

Border

Similar colors

Questions

What color is #1D3F42?: #1D3F42 is a very dark, desaturated cyan, closest to the named color Emerald Forest. It belongs to the gray family of colors.
What is the RGB value of #1D3F42?: The RGB value is 29, 63, 66: 29 red, 63 green and 66 blue on a 0 to 255 scale.
What is the complementary color of #1D3F42?: The complementary color is #42201D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1D3F42?: White text. Black text has a contrast ratio of 1.84:1 and white text 11.4:1. WCAG asks for at least 4.5:1 for normal text.