Black Hole color: hex code #010203

#010203 rgb(1, 2, 3)
Shades of black

Black Hole has the hex code #010203. It is a black.

In the RGB color model it is made of 0.4% red, 0.8% green and 1.2% blue (1, 2, 3).

Its hue angle is 210°, with 50% saturation and 1% lightness. For print, the CMYK equivalent is 67% cyan, 33% magenta, 0% yellow and 99% black.

White text is the more readable choice on this background (contrast 20.77:1).

Black Hole (#010203) color codes

HEX#010203
RGBrgb(1, 2, 3)
RGB percentrgb(0.4%, 0.8%, 1.2%)
HSLhsl(210, 50%, 1%)
HSV / HSBhsv(210, 67%, 1%)
CMYKcmyk(67%, 33%, 0%, 99%)
CIE LABlab(0.51, -0.12, -0.47)
CIE LCHlch(0.51, 0.49, 255.42)
CIE XYZxyz(0.051, 0.056, 0.094)
Decimal66051
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with Black Hole, 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 #010203RatioAAAAAAA large
Sample text1.01:1FailFailFail
Sample text20.77:1PassPassPass
#010203 as text onRatioAAAAAAA large
Sample text20.77:1PassPassPass
Sample text1.01:1FailFailFail

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 #010203 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #010203; }
.text { color: #010203; }
.border { border: 2px solid #010203; }
.transparent { background-color: rgb(1 2 3 / 50%); }
.gradient { background: linear-gradient(to right, #010203, #010103); }
Background
Text color
Border

Similar colors

See #010203 on its hex code page

Questions

What color is #010203?
#010203 is a black known as Black Hole. It belongs to the black family of colors.
What is the RGB value of Black Hole?
The RGB value is 1, 2, 3: 1 red, 2 green and 3 blue on a 0 to 255 scale.
What is the complementary color of Black Hole?
The complementary color is #030201, found by rotating the hue 180° on the color wheel.
Is black or white text better on #010203?
White text. Black text has a contrast ratio of 1.01:1 and white text 20.77:1. WCAG asks for at least 4.5:1 for normal text.