Information about #133D4E color

#133D4E color image

Basic facts about this digital color

In the Register's classification, #133D4E belongs to the Azure Color Family, featuring High Saturation and Dark brightness. In numbers: rgb(19, 61, 78) (7.5% red, 23.9% green, 30.6% blue), or CMYK 23 / 7 / 0 / 69 for print. Curious how these numbers work? Read our RGB color codes guide.

A strongly colored steel-blue azure, #133D4E 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 practically indistinguishable from Barometer (#11394C). Its next-closest registered neighbors are Dark Blue Grey (#1F3B4D) and Nationalist Blue (#174358).

In RGB terms — rgb(19, 61, 78) — the blue channel does the heavy lifting here. If you plan to put text on a #133D4E background, choose white — the contrast ratio is 11.6:1 (passing WCAG AAA), while black manages only 1.8:1. For print, note the heavy black component (K:69) — ink coverage matters with tones this deep. No one has named #133D4E so far. Register a name for it and it becomes a permanent record.

#133D4E color variations

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

#133D4E 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 #133D4E

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

Cyprus color link
Cyprus

#0F4645

Tiber color link
Tiber

#184343

Regal Blue color link
Regal Blue

#203F58

Cello color link
Cello

#1E385B

Nile Blue color link
Nile Blue

#253F4E

Billabong color link
Billabong

#173141

ORPIN BLUE color link
ORPIN BLUE

#122B4A

Regatta color link
Regatta

#192C49

Tarawera color link
Tarawera

#253C48

Conversions between color systems and etc.

  • HEX#133D4E
  • RGB19, 61, 78
  • CMYK23, 7, 0, 69
  • CSSrgb(19, 61, 78)
  • HSL197°, 61%, 19%
  • HSL Precise197.288°, 60.825%, 19.02%
  • HSV197°, 76%, 31%
  • HSB197°, 76%, 31%
  • Normalized R (0.0–1.0)0.075
  • Normalized G (0.0–1.0)0.239
  • Normalized B (0.0–1.0)0.306
  • GLSLvec3(0.075, 0.239, 0.306)
  • GLSL with alphavec4(0.075, 0.239, 0.306, 1.000)
  • HLSL / Metalfloat3(0.075, 0.239, 0.306)
  • Percentage of Red in RGB7.5%
  • Percentage of Green in RGB23.9%
  • Percentage of Blue in RGB30.6%
  • Color FamilyAzure
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID133D4E
  • DECIMAL ID1260878
  • Name LengthThis color has no name
  • Seen by search & AI crawlers11 times
  • Counting from2025-01-01