Information about #133F53 color

#133F53 color image

Basic facts about this digital color

In the Register's classification, #133F53 belongs to the Azure Color Family, featuring High Saturation and Dark brightness. The mix behind it: rgb(19, 63, 83) — 7.5% red, 24.7% green, 32.5% blue; the print equivalent is CMYK 25 / 8 / 0 / 67. Curious how these numbers work? Read our RGB color codes guide.

The color #133F53 reads as a energetic, saturated steel-blue azure and leans clearly toward the dark side. 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 almost identical to Nationalist Blue (#174358). Its next-closest registered neighbors are Barometer (#11394C) and Regal Blue (#203F58).

In RGB terms — rgb(19, 63, 83) — the blue channel does the heavy lifting here. If you plan to put text on a #133F53 background, choose white — the contrast ratio is 11.3:1 (passing WCAG AAA), while black manages only 1.9:1. On paper it relies strongly on black ink (K:67), so proof dark layouts before a large print run. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#133F53 color variations

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

#133F53 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 #133F53

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

Barometer color link
Barometer

#11394C

Regal Blue color link
Regal Blue

#203F58

Cello color link
Cello

#1E385B

Cyprus color link
Cyprus

#0F4645

Tiber color link
Tiber

#184343

Shipshape color link
Shipshape

#21425F

Nile Blue color link
Nile Blue

#253F4E

Beatnik color link
Beatnik

#1F4F54

Conversions between color systems and etc.

  • HEX#133F53
  • RGB19, 63, 83
  • CMYK25, 8, 0, 67
  • CSSrgb(19, 63, 83)
  • HSL199°, 63%, 20%
  • HSL Precise198.75°, 62.745%, 20%
  • HSV199°, 77%, 33%
  • HSB199°, 77%, 33%
  • Normalized R (0.0–1.0)0.075
  • Normalized G (0.0–1.0)0.247
  • Normalized B (0.0–1.0)0.325
  • GLSLvec3(0.075, 0.247, 0.325)
  • GLSL with alphavec4(0.075, 0.247, 0.325, 1.000)
  • HLSL / Metalfloat3(0.075, 0.247, 0.325)
  • Percentage of Red in RGB7.5%
  • Percentage of Green in RGB24.7%
  • Percentage of Blue in RGB32.5%
  • Color FamilyAzure
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID133F53
  • DECIMAL ID1261395
  • Name LengthThis color has no name
  • Seen by search & AI crawlers32 times
  • Counting from2025-01-01