What color is #1D212F?

#1D212F is a very dark, grayish blue, closest to the named color Moonless Mystery. It belongs to the black family of colors.

What is the RGB value of #1D212F?

The RGB value is 29, 33, 47: 29 red, 33 green and 47 blue on a 0 to 255 scale.

What is the complementary color of #1D212F?

The complementary color is #2F2B1D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1D212F?

White text. Black text has a contrast ratio of 1.31:1 and white text 16.02:1. WCAG asks for at least 4.5:1 for normal text.

#1D212F color

#1D212F rgb(29, 33, 47)

Shades of black

The hex color #1D212F is a very dark, grayish blue.

In the RGB color model it is made of 11.4% red, 12.9% green and 18.4% blue (29, 33, 47).

Its hue angle is 227°, with 24% saturation and 15% lightness. For print, the CMYK equivalent is 38% cyan, 30% magenta, 0% yellow and 82% black.

The closest named color is Moonless Mystery (#1E2433), a difference of 1.3 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.02:1).

#1D212F color codes

HEX	`#1D212F`
RGB	`rgb(29, 33, 47)`
RGB percent	`rgb(11.4%, 12.9%, 18.4%)`
HSL	`hsl(227, 24%, 15%)`
HSV / HSB	`hsv(227, 38%, 18%)`
CMYK	`cmyk(38%, 30%, 0%, 82%)`
CIE LAB	`lab(12.95, 2.39, -9.86)`
CIE LCH	`lch(12.95, 10.15, 283.6)`
CIE XYZ	`xyz(1.563, 1.554, 2.906)`
Decimal	`1909039`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1D212F, 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 #1D212F	Ratio	AA	AAA	AA large
Sample text	1.31:1	Fail	Fail	Fail
Sample text	16.02:1	Pass	Pass	Pass

#1D212F as text on	Ratio	AA	AAA	AA large
Sample text	16.02:1	Pass	Pass	Pass
Sample text	1.31:1	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 #1D212F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1d212f; }
.text { color: #1d212f; }
.border { border: 2px solid #1d212f; }
.transparent { background-color: rgb(29 33 47 / 50%); }
.gradient { background: linear-gradient(to right, #1d212f, #221d2f); }

Background

Text color

Border

Similar colors

Closest common color name: Rich Black.

Questions

What color is #1D212F?: #1D212F is a very dark, grayish blue, closest to the named color Moonless Mystery. It belongs to the black family of colors.
What is the RGB value of #1D212F?: The RGB value is 29, 33, 47: 29 red, 33 green and 47 blue on a 0 to 255 scale.
What is the complementary color of #1D212F?: The complementary color is #2F2B1D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1D212F?: White text. Black text has a contrast ratio of 1.31:1 and white text 16.02:1. WCAG asks for at least 4.5:1 for normal text.