What color is #1D2551?

#1D2551 is a dark, desaturated blue, closest to the named color Space Cadet. It belongs to the blue family of colors.

What is the RGB value of #1D2551?

The RGB value is 29, 37, 81: 29 red, 37 green and 81 blue on a 0 to 255 scale.

What is the complementary color of #1D2551?

The complementary color is #51491D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1D2551?

White text. Black text has a contrast ratio of 1.44:1 and white text 14.63:1. WCAG asks for at least 4.5:1 for normal text.

#1D2551 color

#1D2551 rgb(29, 37, 81)

Shades of blue

The hex color #1D2551 is a dark, desaturated blue.

In the RGB color model it is made of 11.4% red, 14.5% green and 31.8% blue (29, 37, 81).

Its hue angle is 231°, with 47% saturation and 22% lightness. For print, the CMYK equivalent is 64% cyan, 54% magenta, 0% yellow and 68% black.

The closest named color is Space Cadet (#1D2951), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 14.63:1).

#1D2551 color codes

HEX	`#1D2551`
RGB	`rgb(29, 37, 81)`
RGB percent	`rgb(11.4%, 14.5%, 31.8%)`
HSL	`hsl(231, 47%, 22%)`
HSV / HSB	`hsv(231, 64%, 32%)`
CMYK	`cmyk(64%, 54%, 0%, 68%)`
CIE LAB	`lab(16.4, 12.03, -28.13)`
CIE LCH	`lch(16.4, 30.6, 293.16)`
CIE XYZ	`xyz(2.653, 2.178, 8.064)`
Decimal	`1910097`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1D2551, 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 #1D2551	Ratio	AA	AAA	AA large
Sample text	1.44:1	Fail	Fail	Fail
Sample text	14.63:1	Pass	Pass	Pass

#1D2551 as text on	Ratio	AA	AAA	AA large
Sample text	14.63:1	Pass	Pass	Pass
Sample text	1.44:1	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 #1D2551 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1d2551; }
.text { color: #1d2551; }
.border { border: 2px solid #1d2551; }
.transparent { background-color: rgb(29 37 81 / 50%); }
.gradient { background: linear-gradient(to right, #1d2551, #2f1d51); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #1D2551?: #1D2551 is a dark, desaturated blue, closest to the named color Space Cadet. It belongs to the blue family of colors.
What is the RGB value of #1D2551?: The RGB value is 29, 37, 81: 29 red, 37 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #1D2551?: The complementary color is #51491D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1D2551?: White text. Black text has a contrast ratio of 1.44:1 and white text 14.63:1. WCAG asks for at least 4.5:1 for normal text.