What color is #1F403F?

#1F403F is a very dark, desaturated cyan, closest to the named color Emerald Forest. It belongs to the gray family of colors.

What is the RGB value of #1F403F?

The RGB value is 31, 64, 63: 31 red, 64 green and 63 blue on a 0 to 255 scale.

What is the complementary color of #1F403F?

The complementary color is #401F20, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F403F?

White text. Black text has a contrast ratio of 1.86:1 and white text 11.27:1. WCAG asks for at least 4.5:1 for normal text.

#1F403F color

#1F403F rgb(31, 64, 63)

Shades of gray

The hex color #1F403F is a very dark, desaturated cyan.

In the RGB color model it is made of 12.2% red, 25.1% green and 24.7% blue (31, 64, 63).

Its hue angle is 178°, with 35% saturation and 19% lightness. For print, the CMYK equivalent is 52% cyan, 0% magenta, 2% yellow and 75% black.

The closest named color is Emerald Forest (#224347), a difference of 3.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 11.27:1).

#1F403F color codes

HEX	`#1F403F`
RGB	`rgb(31, 64, 63)`
RGB percent	`rgb(12.2%, 25.1%, 24.7%)`
HSL	`hsl(178, 35%, 19%)`
HSV / HSB	`hsv(178, 52%, 25%)`
CMYK	`cmyk(52%, 0%, 2%, 75%)`
CIE LAB	`lab(24.69, -12.36, -3.15)`
CIE LCH	`lch(24.69, 12.75, 194.28)`
CIE XYZ	`xyz(3.295, 4.317, 5.361)`
Decimal	`2048063`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F403F, 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 #1F403F	Ratio	AA	AAA	AA large
Sample text	1.86:1	Fail	Fail	Fail
Sample text	11.27:1	Pass	Pass	Pass

#1F403F as text on	Ratio	AA	AAA	AA large
Sample text	11.27:1	Pass	Pass	Pass
Sample text	1.86:1	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 #1F403F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f403f; }
.text { color: #1f403f; }
.border { border: 2px solid #1f403f; }
.transparent { background-color: rgb(31 64 63 / 50%); }
.gradient { background: linear-gradient(to right, #1f403f, #1f3040); }

Background

Text color

Border

Similar colors

Questions

What color is #1F403F?: #1F403F is a very dark, desaturated cyan, closest to the named color Emerald Forest. It belongs to the gray family of colors.
What is the RGB value of #1F403F?: The RGB value is 31, 64, 63: 31 red, 64 green and 63 blue on a 0 to 255 scale.
What is the complementary color of #1F403F?: The complementary color is #401F20, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F403F?: White text. Black text has a contrast ratio of 1.86:1 and white text 11.27:1. WCAG asks for at least 4.5:1 for normal text.