Information about #303B38 color

#303B38 color image

Basic facts about this digital color

In the Register's classification, #303B38 belongs to the Spring Green Color Family, featuring Low Saturation and Dark brightness. The mix behind it: rgb(48, 59, 56) — 18.8% red, 23.1% green, 22% blue; the print equivalent is CMYK 4 / 0 / 1 / 77. Curious how these numbers work? Read our RGB color codes guide.

The color #303B38 reads as a gently muted spring green and 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 almost identical to Petanque (#2E3E34). Nearby in the Register you will also find Onyx (#353839) and Iron Storage (#2B3736).

In RGB terms — rgb(48, 59, 56) — the green channel does the heavy lifting here. If you plan to put text on a #303B38 background, choose white — the contrast ratio is 11.6:1 (passing WCAG AAA), while black manages only 1.8:1. On paper it relies strongly on black ink (K:77), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #303B38 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#303B38 color variations

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

#303B38 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 #303B38

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

Petanque color link
Petanque

#2E3E34

Onyx color link
Onyx

#353839

Iron Storage color link
Iron Storage

#2B3736

Shark color link
Shark

#34363A

Possessed color link
Possessed

#373B38

Dark Grey color link
Dark Grey

#363737

Grey Friars color link
Grey Friars

#313436

Tao Grey color link
Tao Grey

#323436

Dna color link
Dna

#333633

Botany Bay color link
Botany Bay

#373837

Vulcan color link
Vulcan

#36383C

Woody Bay color link
Woody Bay

#33343A

Conversions between color systems and etc.

  • HEX#303B38
  • RGB48, 59, 56
  • CMYK4, 0, 1, 77
  • CSSrgb(48, 59, 56)
  • HSL164°, 10%, 21%
  • HSL Precise163.636°, 10.28%, 20.98%
  • HSV164°, 19%, 23%
  • HSB164°, 19%, 23%
  • Normalized R (0.0–1.0)0.188
  • Normalized G (0.0–1.0)0.231
  • Normalized B (0.0–1.0)0.220
  • GLSLvec3(0.188, 0.231, 0.220)
  • GLSL with alphavec4(0.188, 0.231, 0.220, 1.000)
  • HLSL / Metalfloat3(0.188, 0.231, 0.220)
  • Percentage of Red in RGB18.8%
  • Percentage of Green in RGB23.1%
  • Percentage of Blue in RGB22%
  • Color FamilySpring Green
  • Saturation FamilyLow Saturation
  • Lightness FamilyDark
  • HEX ID303B38
  • DECIMAL ID3160888
  • Name LengthThis color has no name
  • Seen by search & AI crawlers14 times
  • Counting from2025-01-01