Information about #138AA4 color

#138AA4 color image

Basic facts about this digital color

In the Register's classification, #138AA4 belongs to the Cyan Color Family, featuring High Saturation and Neutral brightness. The mix behind it: rgb(19, 138, 164) — 7.5% red, 54.1% green, 64.3% blue; the print equivalent is CMYK 57 / 10 / 0 / 36. New to color codes? See our guide to RGB color codes.

#138AA4 is a vivid, lively cyan that occupies the middle of the lightness scale. In practice it works well for accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is a near neighbor of Boy Red (#0E9CA5). Slightly further away sit Geaux Blue (#1277A3) and Aesthetic Teal (#0D9494).

In RGB terms — rgb(19, 138, 164) — the blue channel does the heavy lifting here. Accessibility-wise, black text works best on #138AA4: 5.2:1 contrast (passing WCAG AA) versus 4.0:1 for white. No one has named #138AA4 so far. Register a name for it and it becomes a permanent record.

#138AA4 color variations

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

#138AA4 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 #138AA4

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

Boy Red color link
Boy Red

#0E9CA5

Geaux Blue color link
Geaux Blue

#1277A3

Eastern Blue color link
Eastern Blue

#00879F

Nice Blue color link
Nice Blue

#107AB0

Seeker color link
Seeker

#0092A5

Bowie color link
Bowie

#0084AC

Cerulean color link
Cerulean

#007BA7

CG Blue color link
CG Blue

#007AA5

Conversions between color systems and etc.

  • HEX#138AA4
  • RGB19, 138, 164
  • CMYK57, 10, 0, 36
  • CSSrgb(19, 138, 164)
  • HSL191°, 79%, 36%
  • HSL Precise190.759°, 79.235%, 35.882%
  • HSV191°, 88%, 64%
  • HSB191°, 88%, 64%
  • Normalized R (0.0–1.0)0.075
  • Normalized G (0.0–1.0)0.541
  • Normalized B (0.0–1.0)0.643
  • GLSLvec3(0.075, 0.541, 0.643)
  • GLSL with alphavec4(0.075, 0.541, 0.643, 1.000)
  • HLSL / Metalfloat3(0.075, 0.541, 0.643)
  • Percentage of Red in RGB7.5%
  • Percentage of Green in RGB54.1%
  • Percentage of Blue in RGB64.3%
  • Color FamilyCyan
  • Saturation FamilyHigh Saturation
  • Lightness FamilyNeutral
  • HEX ID138AA4
  • DECIMAL ID1280676
  • Name LengthThis color has no name
  • Seen by search & AI crawlers17 times
  • Counting from2025-01-01