Information about #3F100F color

#3F100F color image

Basic facts about this digital color

In the Register's classification, #3F100F belongs to the Red Color Family, featuring High Saturation and Dark brightness. In numbers: rgb(63, 16, 15) (24.7% red, 6.3% green, 5.9% blue), or CMYK 0 / 18 / 19 / 75 for print. Curious how these numbers work? Read our RGB color codes guide.

A vivid, lively warm red, #3F100F carries a shadowy depth. Expect to see shades like this in night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is practically indistinguishable from Dark Sienna (#3C1414). Nearby in the Register you will also find Rebel (#3C1206) and Tamarind (#341515).

Technically, the mix leans on its red channel (rgb(63, 16, 15)), which gives #3F100F its character. If you plan to put text on a #3F100F background, choose white — the contrast ratio is 16.2:1 (passing WCAG AAA), while black manages only 1.3:1. For print, note the heavy black component (K:75) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #3F100F is still unnamed — it can be claimed and named in The Official Register of Color Names.

#3F100F color variations

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

#3F100F 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 #3F100F

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

Dark Sienna color link
Dark Sienna

#3C1414

Rebel color link
Rebel

#3C1206

Tamarind color link
Tamarind

#341515

Black Bean color link
Black Bean

#3D0C02

Deep Oak color link
Deep Oak

#412010

Vandalista color link
Vandalista

#310C16

Clinker color link
Clinker

#371D09

French Puce color link
French Puce

#4E1609

Dark Maroon color link
Dark Maroon

#3C0008

Conversions between color systems and etc.

  • HEX#3F100F
  • RGB63, 16, 15
  • CMYK0, 18, 19, 75
  • CSSrgb(63, 16, 15)
  • HSL1°, 62%, 15%
  • HSL Precise1.25°, 61.538%, 15.294%
  • HSV1°, 76%, 25%
  • HSB1°, 76%, 25%
  • Normalized R (0.0–1.0)0.247
  • Normalized G (0.0–1.0)0.063
  • Normalized B (0.0–1.0)0.059
  • GLSLvec3(0.247, 0.063, 0.059)
  • GLSL with alphavec4(0.247, 0.063, 0.059, 1.000)
  • HLSL / Metalfloat3(0.247, 0.063, 0.059)
  • Percentage of Red in RGB24.7%
  • Percentage of Green in RGB6.3%
  • Percentage of Blue in RGB5.9%
  • Color FamilyRed
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID3F100F
  • DECIMAL ID4132879
  • Name LengthThis color has no name
  • Seen by search & AI crawlers13 times
  • Counting from2025-01-01