#210303 color
The hex color #210303 is a very dark, vivid red.
In the RGB color model it is made of 12.9% red, 1.2% green and 1.2% blue (33, 3, 3).
Its hue angle is 0°, with 83% saturation and 7% lightness. For print, the CMYK equivalent is 0% cyan, 91% magenta, 91% yellow and 87% black.
The closest named color is Dwarf Fortress (#1D0200), a difference of 2.2 ΔE, a small difference.
White text is the more readable choice on this background (contrast 19.46:1).
#210303 color codes
| HEX | #210303 | |
|---|---|---|
| RGB | rgb(33, 3, 3) | |
| RGB percent | rgb(12.9%, 1.2%, 1.2%) | |
| HSL | hsl(0, 83%, 7%) | |
| HSV / HSB | hsv(0, 91%, 13%) | |
| CMYK | cmyk(0%, 91%, 91%, 87%) | |
| CIE LAB | lab(3.57, 12.32, 4.34) | |
| CIE LCH | lch(3.57, 13.06, 19.41) | |
| CIE XYZ | xyz(0.676, 0.395, 0.127) | |
| Decimal | 2163459 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #210303, 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 #210303 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.08:1 | Fail | Fail | Fail |
| Sample text | 19.46:1 | Pass | Pass | Pass |
| #210303 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 19.46:1 | Pass | Pass | Pass |
| Sample text | 1.08:1 | 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 #210303 looks to people with the most common types of color vision deficiency.
#0a0803Protanopia
no red cones#120f02Deuteranopia
no green cones#250003Tritanopia
no blue cones#0d0d0dAchromatopsia
no color vision
CSS examples
.background { background-color: #210303; }
.text { color: #210303; }
.border { border: 2px solid #210303; }
.transparent { background-color: rgb(33 3 3 / 50%); }
.gradient { background: linear-gradient(to right, #210303, #211203); }
Similar colors
#1d0200Dwarf Fortress#221111Italian Roast#220011Belladonna#2e0303Nether#2c1620Black Cherry#180614Crow#1f1518Bats Cloak#110101Dark Matter
Closest common color name: Licorice.
Questions
- What color is #210303?
- #210303 is a very dark, vivid red, closest to the named color Dwarf Fortress. It belongs to the black family of colors.
- What is the RGB value of #210303?
- The RGB value is 33, 3, 3: 33 red, 3 green and 3 blue on a 0 to 255 scale.
- What is the complementary color of #210303?
- The complementary color is #032121, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #210303?
- White text. Black text has a contrast ratio of 1.08:1 and white text 19.46:1. WCAG asks for at least 4.5:1 for normal text.