#210D0A color

#210D0A rgb(33, 13, 10)
Shades of black

The hex color #210D0A is a very dark, moderate red.

In the RGB color model it is made of 12.9% red, 5.1% green and 3.9% blue (33, 13, 10).

Its hue angle is 8°, with 53% saturation and 8% lightness. For print, the CMYK equivalent is 0% cyan, 61% magenta, 70% yellow and 87% black.

The closest named color is Italian Roast (#221111), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 18.64:1).

#210D0A color codes

HEX#210D0A
RGBrgb(33, 13, 10)
RGB percentrgb(12.9%, 5.1%, 3.9%)
HSLhsl(8, 53%, 8%)
HSV / HSBhsv(8, 70%, 13%)
CMYKcmyk(0%, 61%, 70%, 87%)
CIE LABlab(5.72, 9.18, 4.63)
CIE LCHlch(5.72, 10.28, 26.75)
CIE XYZxyz(0.826, 0.633, 0.366)
Decimal2166026
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #210D0A, 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 #210D0ARatioAAAAAAA large
Sample text1.13:1FailFailFail
Sample text18.64:1PassPassPass
#210D0A as text onRatioAAAAAAA large
Sample text18.64:1PassPassPass
Sample text1.13:1FailFailFail

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 #210D0A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #210d0a; }
.text { color: #210d0a; }
.border { border: 2px solid #210d0a; }
.transparent { background-color: rgb(33 13 10 / 50%); }
.gradient { background: linear-gradient(to right, #210d0a, #21190a); }
Background
Text color
Border

Similar colors

Questions

What color is #210D0A?
#210D0A is a very dark, moderate red, closest to the named color Italian Roast. It belongs to the black family of colors.
What is the RGB value of #210D0A?
The RGB value is 33, 13, 10: 33 red, 13 green and 10 blue on a 0 to 255 scale.
What is the complementary color of #210D0A?
The complementary color is #0A1E21, found by rotating the hue 180° on the color wheel.
Is black or white text better on #210D0A?
White text. Black text has a contrast ratio of 1.13:1 and white text 18.64:1. WCAG asks for at least 4.5:1 for normal text.