#010B1F color
The hex color #010B1F is a very dark, vivid blue.
In the RGB color model it is made of 0.4% red, 4.3% green and 12.2% blue (1, 11, 31).
Its hue angle is 220°, with 94% saturation and 6% lightness. For print, the CMYK equivalent is 97% cyan, 65% magenta, 0% yellow and 88% black.
The closest named color is Void (#050D25), a difference of 3 ΔE, a small difference.
White text is the more readable choice on this background (contrast 19.65:1).
#010B1F color codes
| HEX | #010B1F | |
|---|---|---|
| RGB | rgb(1, 11, 31) | |
| RGB percent | rgb(0.4%, 4.3%, 12.2%) | |
| HSL | hsl(220, 94%, 6%) | |
| HSV / HSB | hsv(220, 97%, 12%) | |
| CMYK | cmyk(97%, 65%, 0%, 88%) | |
| CIE LAB | lab(3.11, 2.12, -13.25) | |
| CIE LCH | lch(3.11, 13.42, 279.1) | |
| CIE XYZ | xyz(0.379, 0.345, 1.343) | |
| Decimal | 68383 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #010B1F, 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 #010B1F | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.07:1 | Fail | Fail | Fail |
| Sample text | 19.65:1 | Pass | Pass | Pass |
| #010B1F as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 19.65:1 | Pass | Pass | Pass |
| Sample text | 1.07:1 | 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 #010B1F looks to people with the most common types of color vision deficiency.
#030d20Protanopia
no red cones#000a1fDeuteranopia
no green cones#001013Tritanopia
no blue cones#0b0b0bAchromatopsia
no color vision
CSS examples
.background { background-color: #010b1f; }
.text { color: #010b1f; }
.border { border: 2px solid #010b1f; }
.transparent { background-color: rgb(1 11 31 / 50%); }
.gradient { background: linear-gradient(to right, #010b1f, #06011f); }
Similar colors
#050d25Void#111122Corbeau#0e1d32Trapped Darkness#0c121bMidnight Edition#041330Squid’s Ink#060313Obsidian Shard#161e34Sombre Night#080813Narwhal Gray
Closest common color name: Rich Black.
Questions
- What color is #010B1F?
- #010B1F is a very dark, vivid blue, closest to the named color Void. It belongs to the black family of colors.
- What is the RGB value of #010B1F?
- The RGB value is 1, 11, 31: 1 red, 11 green and 31 blue on a 0 to 255 scale.
- What is the complementary color of #010B1F?
- The complementary color is #1F1501, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #010B1F?
- White text. Black text has a contrast ratio of 1.07:1 and white text 19.65:1. WCAG asks for at least 4.5:1 for normal text.