What color is #150306?

#150306 is a very dark, moderate red, closest to the named color Dark Matter. It belongs to the black family of colors.

What is the RGB value of #150306?

The RGB value is 21, 3, 6: 21 red, 3 green and 6 blue on a 0 to 255 scale.

What is the complementary color of #150306?

The complementary color is #031512, found by rotating the hue 180° on the color wheel.

Is black or white text better on #150306?

White text. Black text has a contrast ratio of 1.05:1 and white text 20.05:1. WCAG asks for at least 4.5:1 for normal text.

#150306 color

#150306 rgb(21, 3, 6)

Shades of black

The hex color #150306 is a very dark, moderate red.

In the RGB color model it is made of 8.2% red, 1.2% green and 2.4% blue (21, 3, 6).

Its hue angle is 350°, with 75% saturation and 5% lightness. For print, the CMYK equivalent is 0% cyan, 86% magenta, 71% yellow and 92% black.

The closest named color is Dark Matter (#110101), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 20.05:1).

#150306 color codes

HEX	`#150306`
RGB	`rgb(21, 3, 6)`
RGB percent	`rgb(8.2%, 1.2%, 2.4%)`
HSL	`hsl(350, 75%, 5%)`
HSV / HSB	`hsv(350, 86%, 8%)`
CMYK	`cmyk(0%, 86%, 71%, 92%)`
CIE LAB	`lab(2.15, 6.09, 0.86)`
CIE LCH	`lch(2.15, 6.15, 8.08)`
CIE XYZ	`xyz(0.375, 0.238, 0.198)`
Decimal	`1377030`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #150306, 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 #150306	Ratio	AA	AAA	AA large
Sample text	1.05:1	Fail	Fail	Fail
Sample text	20.05:1	Pass	Pass	Pass

#150306 as text on	Ratio	AA	AAA	AA large
Sample text	20.05:1	Pass	Pass	Pass
Sample text	1.05:1	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 #150306 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #150306; }
.text { color: #150306; }
.border { border: 2px solid #150306; }
.transparent { background-color: rgb(21 3 6 / 50%); }
.gradient { background: linear-gradient(to right, #150306, #150903); }

Background

Text color

Border

Similar colors

Questions

What color is #150306?: #150306 is a very dark, moderate red, closest to the named color Dark Matter. It belongs to the black family of colors.
What is the RGB value of #150306?: The RGB value is 21, 3, 6: 21 red, 3 green and 6 blue on a 0 to 255 scale.
What is the complementary color of #150306?: The complementary color is #031512, found by rotating the hue 180° on the color wheel.
Is black or white text better on #150306?: White text. Black text has a contrast ratio of 1.05:1 and white text 20.05:1. WCAG asks for at least 4.5:1 for normal text.