Information about #900B04 color

#900B04 color image

Basic facts about this digital color

The digital color #900B04 is classified in the Register under the Red Color Family, with Full Saturation and Neutral brightness. Its exact recipe is rgb(144, 11, 4) — 56.5% red, 4.3% green, 1.6% blue — and for print it converts to CMYK 0 / 52 / 55 / 44. Curious how these numbers work? Read our RGB color codes guide.

#900B04 presents itself as a pure, full-strength warm red — one that occupies the middle of the lightness scale. It is a natural fit for logos, highlights and anything that needs to be noticed first. In The Official Register of Color Names it is very close to Blood (#8A0303). Slightly further away sit Drawlz Brand Co. Ruby Red (#8D0000) and Sangria (#92000A).

Technically, the mix leans on its red channel (rgb(144, 11, 4)), which gives #900B04 its character. On this background, white text reaches a 9.4:1 contrast ratio (passing WCAG AAA); black stays at 2.2:1. Out of 16,777,216 possible colors, #900B04 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#900B04 color variations

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

#900B04 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 #900B04

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

Blood color link
Blood

#8A0303

Sangria color link
Sangria

#92000A

Dark Red color link
Dark Red

#8B0000

Crimson Red color link
Crimson Red

#990000

Deep Red color link
Deep Red

#850101

Deep Maroon color link
Deep Maroon

#820000

Red Devil color link
Red Devil

#860111

Maroon color link
Maroon

#800000

Red Wine color link
Red Wine

#990012

Barn Red color link
Barn Red

#7C0A02

Conversions between color systems and etc.

  • HEX#900B04
  • RGB144, 11, 4
  • CMYK0, 52, 55, 44
  • CSSrgb(144, 11, 4)
  • HSL3°, 95%, 29%
  • HSL Precise3°, 94.595%, 29.02%
  • HSV3°, 97%, 56%
  • HSB3°, 97%, 56%
  • Normalized R (0.0–1.0)0.565
  • Normalized G (0.0–1.0)0.043
  • Normalized B (0.0–1.0)0.016
  • GLSLvec3(0.565, 0.043, 0.016)
  • GLSL with alphavec4(0.565, 0.043, 0.016, 1.000)
  • HLSL / Metalfloat3(0.565, 0.043, 0.016)
  • Percentage of Red in RGB56.5%
  • Percentage of Green in RGB4.3%
  • Percentage of Blue in RGB1.6%
  • Color FamilyRed
  • Saturation FamilyFull Saturation
  • Lightness FamilyNeutral
  • HEX ID900B04
  • DECIMAL ID9440004
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01