What color is #001D57?

#001D57 is a very dark, vivid blue, closest to the named color Fibonacci Blue. It belongs to the blue family of colors.

What is the RGB value of #001D57?

The RGB value is 0, 29, 87: 0 red, 29 green and 87 blue on a 0 to 255 scale.

What is the complementary color of #001D57?

The complementary color is #573A00, found by rotating the hue 180° on the color wheel.

Is black or white text better on #001D57?

White text. Black text has a contrast ratio of 1.31:1 and white text 15.99:1. WCAG asks for at least 4.5:1 for normal text.

#001D57 color

#001D57 rgb(0, 29, 87)

Shades of blue

The hex color #001D57 is a very dark, vivid blue.

In the RGB color model it is made of 0% red, 11.4% green and 34.1% blue (0, 29, 87).

Its hue angle is 220°, with 100% saturation and 17% lightness. For print, the CMYK equivalent is 100% cyan, 67% magenta, 0% yellow and 66% black.

The closest named color is Fibonacci Blue (#112358), a difference of 2.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 15.99:1).

#001D57 color codes

HEX	`#001D57`
RGB	`rgb(0, 29, 87)`
RGB percent	`rgb(0%, 11.4%, 34.1%)`
HSL	`hsl(220, 100%, 17%)`
HSV / HSB	`hsv(220, 100%, 34%)`
CMYK	`cmyk(100%, 67%, 0%, 66%)`
CIE LAB	`lab(13.03, 16.5, -37.73)`
CIE LCH	`lch(13.03, 41.18, 293.62)`
CIE XYZ	`xyz(2.159, 1.567, 9.204)`
Decimal	`7511`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #001D57, 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 #001D57	Ratio	AA	AAA	AA large
Sample text	1.31:1	Fail	Fail	Fail
Sample text	15.99:1	Pass	Pass	Pass

#001D57 as text on	Ratio	AA	AAA	AA large
Sample text	15.99:1	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 #001D57 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #001d57; }
.text { color: #001d57; }
.border { border: 2px solid #001d57; }
.transparent { background-color: rgb(0 29 87 / 50%); }
.gradient { background: linear-gradient(to right, #001d57, #0f0057); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #001D57?: #001D57 is a very dark, vivid blue, closest to the named color Fibonacci Blue. It belongs to the blue family of colors.
What is the RGB value of #001D57?: The RGB value is 0, 29, 87: 0 red, 29 green and 87 blue on a 0 to 255 scale.
What is the complementary color of #001D57?: The complementary color is #573A00, found by rotating the hue 180° on the color wheel.
Is black or white text better on #001D57?: White text. Black text has a contrast ratio of 1.31:1 and white text 15.99:1. WCAG asks for at least 4.5:1 for normal text.