What color is #1F304F?

#1F304F is a dark, desaturated azure, closest to the named color Midnight Ocean. It belongs to the blue family of colors.

What is the RGB value of #1F304F?

The RGB value is 31, 48, 79: 31 red, 48 green and 79 blue on a 0 to 255 scale.

What is the complementary color of #1F304F?

The complementary color is #4F3E1F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F304F?

White text. Black text has a contrast ratio of 1.59:1 and white text 13.17:1. WCAG asks for at least 4.5:1 for normal text.

#1F304F color

#1F304F rgb(31, 48, 79)

Shades of blue

The hex color #1F304F is a dark, desaturated azure.

In the RGB color model it is made of 12.2% red, 18.8% green and 31% blue (31, 48, 79).

Its hue angle is 219°, with 44% saturation and 22% lightness. For print, the CMYK equivalent is 61% cyan, 39% magenta, 0% yellow and 69% black.

The closest named color is Midnight Ocean (#0F2D4D), a difference of 3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 13.17:1).

#1F304F color codes

HEX	`#1F304F`
RGB	`rgb(31, 48, 79)`
RGB percent	`rgb(12.2%, 18.8%, 31%)`
HSL	`hsl(219, 44%, 22%)`
HSV / HSB	`hsv(219, 61%, 31%)`
CMYK	`cmyk(61%, 39%, 0%, 69%)`
CIE LAB	`lab(19.92, 3.76, -21.16)`
CIE LCH	`lch(19.92, 21.49, 280.06)`
CIE XYZ	`xyz(3.033, 2.969, 7.809)`
Decimal	`2043983`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F304F, 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 #1F304F	Ratio	AA	AAA	AA large
Sample text	1.59:1	Fail	Fail	Fail
Sample text	13.17:1	Pass	Pass	Pass

#1F304F as text on	Ratio	AA	AAA	AA large
Sample text	13.17:1	Pass	Pass	Pass
Sample text	1.59:1	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 #1F304F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f304f; }
.text { color: #1f304f; }
.border { border: 2px solid #1f304f; }
.transparent { background-color: rgb(31 48 79 / 50%); }
.gradient { background: linear-gradient(to right, #1f304f, #261f4f); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #1F304F?: #1F304F is a dark, desaturated azure, closest to the named color Midnight Ocean. It belongs to the blue family of colors.
What is the RGB value of #1F304F?: The RGB value is 31, 48, 79: 31 red, 48 green and 79 blue on a 0 to 255 scale.
What is the complementary color of #1F304F?: The complementary color is #4F3E1F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F304F?: White text. Black text has a contrast ratio of 1.59:1 and white text 13.17:1. WCAG asks for at least 4.5:1 for normal text.