Information about #153A51 color

#153A51 color image

Basic facts about this digital color

The digital color #153A51 is classified in the Register under the Azure Color Family, with Moderate Saturation and Dark brightness. In numbers: rgb(21, 58, 81) (8.2% red, 22.7% green, 31.8% blue), or CMYK 24 / 9 / 0 / 68 for print. Curious how these numbers work? Read our RGB color codes guide.

The color #153A51 reads as a clearly saturated sky-leaning azure and stays on the darker end of the scale. Expect to see shades like this in moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is practically indistinguishable from Barometer (#11394C). Slightly further away sit Dark Blue Grey (#1F3B4D) and Nationalist Blue (#174358).

Technically, the mix leans on its blue channel (rgb(21, 58, 81)), which gives #153A51 its character. On this background, white text reaches a 12.0:1 contrast ratio (passing WCAG AAA); black stays at 1.8:1. On paper it relies strongly on black ink (K:68), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #153A51 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#153A51 color variations

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

#153A51 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 #153A51

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

Cello color link
Cello

#1E385B

Regal Blue color link
Regal Blue

#203F58

Regatta color link
Regatta

#192C49

ORPIN BLUE color link
ORPIN BLUE

#122B4A

Tiber color link
Tiber

#184343

Nile Blue color link
Nile Blue

#253F4E

Cyprus color link
Cyprus

#0F4645

Billabong color link
Billabong

#173141

#153A51 color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

Conversions between color systems and etc.

  • HEX#153A51
  • RGB21, 58, 81
  • CMYK24, 9, 0, 68
  • CSSrgb(21, 58, 81)
  • HSL203°, 59%, 20%
  • HSL Precise203°, 58.824%, 20%
  • HSV203°, 74%, 32%
  • HSB203°, 74%, 32%
  • Normalized R (0.0–1.0)0.082
  • Normalized G (0.0–1.0)0.227
  • Normalized B (0.0–1.0)0.318
  • GLSLvec3(0.082, 0.227, 0.318)
  • GLSL with alphavec4(0.082, 0.227, 0.318, 1.000)
  • HLSL / Metalfloat3(0.082, 0.227, 0.318)
  • Percentage of Red in RGB8.2%
  • Percentage of Green in RGB22.7%
  • Percentage of Blue in RGB31.8%
  • Color Family (Hue)Azure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID153A51
  • DECIMAL ID1391185
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01