Information about #303F3F color

#303F3F color image

Basic facts about this digital color

#303F3F falls into the Cyan Color Family — Low Saturation, Dark brightness. The mix behind it: rgb(48, 63, 63) — 18.8% red, 24.7% green, 24.7% blue; the print equivalent is CMYK 6 / 0 / 0 / 75. New to color codes? See our guide to RGB color codes.

#303F3F presents itself as a softly toned water-like cyan — one that leans clearly toward the dark side. In practice it works well for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is a hair away from Metallic Charcoal (#343B40). Its next-closest registered neighbors are Warrior (#2D3B42) and Gotham (#303B44).

In RGB terms — rgb(48, 63, 63) — the green channel does the heavy lifting here. Accessibility-wise, white text works best on #303F3F: 11.0:1 contrast (passing WCAG AAA) versus 1.9:1 for black. For print, note the heavy black component (K:75) — ink coverage matters with tones this deep. #303F3F has no official name yet. If this shade means something to you, you can be the one to name it.

#303F3F color variations

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

#303F3F 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 #303F3F

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

Warrior color link
Warrior

#2D3B42

Gotham color link
Gotham

#303B44

Onando color link
Onando

#364141

Mine Shaft color link
Mine Shaft

#373E41

Big Stone color link
Big Stone

#334046

Mirage color link
Mirage

#373F43

Firefly color link
Firefly

#314643

High Tide color link
High Tide

#32373F

Gable Green color link
Gable Green

#2C4641

Jurassic color link
Jurassic

#37443E

Atom color link
Atom

#373A3C

#303F3F color backgrounds & wallpapers

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

Conversions between color systems and etc.

  • HEX#303F3F
  • RGB48, 63, 63
  • CMYK6, 0, 0, 75
  • CSSrgb(48, 63, 63)
  • HSL180°, 14%, 22%
  • HSL Precise180°, 13.514%, 21.765%
  • HSV180°, 24%, 25%
  • HSB180°, 24%, 25%
  • Normalized R (0.0–1.0)0.188
  • Normalized G (0.0–1.0)0.247
  • Normalized B (0.0–1.0)0.247
  • GLSLvec3(0.188, 0.247, 0.247)
  • GLSL with alphavec4(0.188, 0.247, 0.247, 1.000)
  • HLSL / Metalfloat3(0.188, 0.247, 0.247)
  • Percentage of Red in RGB18.8%
  • Percentage of Green in RGB24.7%
  • Percentage of Blue in RGB24.7%
  • Color Family (Hue)Cyan
  • Saturation FamilyLow Saturation
  • Lightness FamilyDark
  • HEX ID303F3F
  • DECIMAL ID3161919
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01