What color is #1F3D4D?

#1F3D4D is a dark, desaturated azure, closest to the named color Depths of the Nile. It belongs to the blue family of colors.

What is the RGB value of #1F3D4D?

The RGB value is 31, 61, 77: 31 red, 61 green and 77 blue on a 0 to 255 scale.

What is the complementary color of #1F3D4D?

The complementary color is #4D2F1F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F3D4D?

White text. Black text has a contrast ratio of 1.83:1 and white text 11.46:1. WCAG asks for at least 4.5:1 for normal text.

#1F3D4D color

#1F3D4D rgb(31, 61, 77)

Shades of blue

The hex color #1F3D4D is a dark, desaturated azure.

In the RGB color model it is made of 12.2% red, 23.9% green and 30.2% blue (31, 61, 77).

Its hue angle is 201°, with 43% saturation and 21% lightness. For print, the CMYK equivalent is 60% cyan, 21% magenta, 0% yellow and 70% black.

The closest named color is Depths of the Nile (#253F4E), a difference of 1.1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.46:1).

#1F3D4D color codes

HEX	`#1F3D4D`
RGB	`rgb(31, 61, 77)`
RGB percent	`rgb(12.2%, 23.9%, 30.2%)`
HSL	`hsl(201, 43%, 21%)`
HSV / HSB	`hsv(201, 60%, 30%)`
CMYK	`cmyk(60%, 21%, 0%, 70%)`
CIE LAB	`lab(24.21, -5.81, -13.15)`
CIE LCH	`lch(24.21, 14.38, 246.15)`
CIE XYZ	`xyz(3.573, 4.164, 7.635)`
Decimal	`2047309`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F3D4D, 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 #1F3D4D	Ratio	AA	AAA	AA large
Sample text	1.83:1	Fail	Fail	Fail
Sample text	11.46:1	Pass	Pass	Pass

#1F3D4D as text on	Ratio	AA	AAA	AA large
Sample text	11.46:1	Pass	Pass	Pass
Sample text	1.83:1	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 #1F3D4D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f3d4d; }
.text { color: #1f3d4d; }
.border { border: 2px solid #1f3d4d; }
.transparent { background-color: rgb(31 61 77 / 50%); }
.gradient { background: linear-gradient(to right, #1f3d4d, #1f264d); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #1F3D4D?: #1F3D4D is a dark, desaturated azure, closest to the named color Depths of the Nile. It belongs to the blue family of colors.
What is the RGB value of #1F3D4D?: The RGB value is 31, 61, 77: 31 red, 61 green and 77 blue on a 0 to 255 scale.
What is the complementary color of #1F3D4D?: The complementary color is #4D2F1F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F3D4D?: White text. Black text has a contrast ratio of 1.83:1 and white text 11.46:1. WCAG asks for at least 4.5:1 for normal text.