Information about #0A0303 color

#0A0303 color image

Basic facts about this digital color

In the Register's classification, #0A0303 belongs to the Red Color Family, featuring Moderate Saturation and Very Dark brightness. The mix behind it: rgb(10, 3, 3) — 3.9% red, 1.2% green, 1.2% blue; the print equivalent is CMYK 0 / 3 / 3 / 96. Curious how these numbers work? Read our RGB color codes guide.

The color #0A0303 reads as a confidently colored red and sits very close to black. Expect to see shades like this in dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is almost identical to Fashion Black (#060403). Its next-closest registered neighbors are Nicalis Black (#080000) and Black Eyes (#0B0802).

Technically, the mix leans on its red channel (rgb(10, 3, 3)), which gives #0A0303 its character. Accessibility-wise, white text works best on #0A0303: 20.4:1 contrast (passing WCAG AAA) versus 1.0:1 for black. For print, note the heavy black component (K:96) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #0A0303 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#0A0303 color variations

View this color variations of tints, shades, tones and hues.

#0A0303 color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes

Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme

Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme

Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme

Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme

Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme

Nearest named colors to #0A0303

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Black Eyes color link
Black Eyes

#0B0802

Licejus color link
Licejus

#0D0009

Night color link
Night

#0C090A

Black color link
Black

#000000

Asphalt color link
Asphalt

#130A06

Smoky Black color link
Smoky Black

#100C08

Bobos color link
Bobos

#050B0B

Conversions between color systems and etc.

  • HEX#0A0303
  • RGB10, 3, 3
  • CMYK0, 3, 3, 96
  • CSSrgb(10, 3, 3)
  • HSL0°, 54%, 3%
  • HSL Precise0°, 53.846%, 2.549%
  • HSV0°, 70%, 4%
  • HSB0°, 70%, 4%
  • Normalized R (0.0–1.0)0.039
  • Normalized G (0.0–1.0)0.012
  • Normalized B (0.0–1.0)0.012
  • GLSLvec3(0.039, 0.012, 0.012)
  • GLSL with alphavec4(0.039, 0.012, 0.012, 1.000)
  • HLSL / Metalfloat3(0.039, 0.012, 0.012)
  • Percentage of Red in RGB3.9%
  • Percentage of Green in RGB1.2%
  • Percentage of Blue in RGB1.2%
  • Color FamilyRed
  • Saturation FamilyModerate Saturation
  • Lightness FamilyVery Dark
  • HEX ID0A0303
  • DECIMAL ID656131
  • Name LengthThis color has no name
  • Seen by search & AI crawlers23 times
  • Counting from2025-01-01