What color is #1F3454?

#1F3454 is a dark, desaturated azure, closest to the named color Nautilus. It belongs to the blue family of colors.

What is the RGB value of #1F3454?

The RGB value is 31, 52, 84: 31 red, 52 green and 84 blue on a 0 to 255 scale.

What is the complementary color of #1F3454?

The complementary color is #543F1F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F3454?

White text. Black text has a contrast ratio of 1.68:1 and white text 12.52:1. WCAG asks for at least 4.5:1 for normal text.

#1F3454 color

#1F3454 rgb(31, 52, 84)

Shades of blue

The hex color #1F3454 is a dark, desaturated azure.

In the RGB color model it is made of 12.2% red, 20.4% green and 32.9% blue (31, 52, 84).

Its hue angle is 216°, with 46% saturation and 23% lightness. For print, the CMYK equivalent is 63% cyan, 38% magenta, 0% yellow and 67% black.

The closest named color is Nautilus (#273C5A), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.52:1).

#1F3454 color codes

HEX	`#1F3454`
RGB	`rgb(31, 52, 84)`
RGB percent	`rgb(12.2%, 20.4%, 32.9%)`
HSL	`hsl(216, 46%, 23%)`
HSV / HSB	`hsv(216, 63%, 33%)`
CMYK	`cmyk(63%, 38%, 0%, 67%)`
CIE LAB	`lab(21.53, 2.85, -21.96)`
CIE LCH	`lch(21.53, 22.14, 277.4)`
CIE XYZ	`xyz(3.393, 3.387, 8.861)`
Decimal	`2045012`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F3454, 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 #1F3454	Ratio	AA	AAA	AA large
Sample text	1.68:1	Fail	Fail	Fail
Sample text	12.52:1	Pass	Pass	Pass

#1F3454 as text on	Ratio	AA	AAA	AA large
Sample text	12.52:1	Pass	Pass	Pass
Sample text	1.68:1	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 #1F3454 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f3454; }
.text { color: #1f3454; }
.border { border: 2px solid #1f3454; }
.transparent { background-color: rgb(31 52 84 / 50%); }
.gradient { background: linear-gradient(to right, #1f3454, #241f54); }

Background

Text color

Border

Similar colors

Questions

What color is #1F3454?: #1F3454 is a dark, desaturated azure, closest to the named color Nautilus. It belongs to the blue family of colors.
What is the RGB value of #1F3454?: The RGB value is 31, 52, 84: 31 red, 52 green and 84 blue on a 0 to 255 scale.
What is the complementary color of #1F3454?: The complementary color is #543F1F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F3454?: White text. Black text has a contrast ratio of 1.68:1 and white text 12.52:1. WCAG asks for at least 4.5:1 for normal text.