Information about #343F42 color

#343F42 color image

Basic facts about this digital color

#343F42 falls into the Cyan Color Family — Low Saturation, Dark brightness. Its exact recipe is rgb(52, 63, 66) — 20.4% red, 24.7% green, 25.9% blue — and for print it converts to CMYK 5 / 1 / 0 / 74. New to color codes? See our guide to RGB color codes.

#343F42 is a softly toned aqua cyan 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 practically indistinguishable from Onando (#364141). Its next-closest registered neighbors are Mirage (#373F43) and Mine Shaft (#373E41).

The recipe behind #343F42 is rgb(52, 63, 66), with blue as the dominant ingredient. Accessibility-wise, white text works best on #343F42: 10.8:1 contrast (passing WCAG AAA) versus 1.9:1 for black. On paper it relies strongly on black ink (K:74), so proof dark layouts before a large print run. #343F42 has no official name yet. If this shade means something to you, you can be the one to name it.

#343F42 color variations

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

#343F42 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 #343F42

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

Onando color link
Onando

#364141

Mirage color link
Mirage

#373F43

Mine Shaft color link
Mine Shaft

#373E41

Big Stone color link
Big Stone

#334046

Charade color link
Charade

#394043

Gotham color link
Gotham

#303B44

Jurassic color link
Jurassic

#37443E

Firefly color link
Firefly

#314643

Pioneer color link
Pioneer

#394541

Warrior color link
Warrior

#2D3B42

Conversions between color systems and etc.

  • HEX#343F42
  • RGB52, 63, 66
  • CMYK5, 1, 0, 74
  • CSSrgb(52, 63, 66)
  • HSL193°, 12%, 23%
  • HSL Precise192.857°, 11.864%, 23.137%
  • HSV193°, 21%, 26%
  • HSB193°, 21%, 26%
  • Normalized R (0.0–1.0)0.204
  • Normalized G (0.0–1.0)0.247
  • Normalized B (0.0–1.0)0.259
  • GLSLvec3(0.204, 0.247, 0.259)
  • GLSL with alphavec4(0.204, 0.247, 0.259, 1.000)
  • HLSL / Metalfloat3(0.204, 0.247, 0.259)
  • Percentage of Red in RGB20.4%
  • Percentage of Green in RGB24.7%
  • Percentage of Blue in RGB25.9%
  • Color FamilyCyan
  • Saturation FamilyLow Saturation
  • Lightness FamilyDark
  • HEX ID343F42
  • DECIMAL ID3424066
  • Name LengthThis color has no name
  • Seen by search & AI crawlers20 times
  • Counting from2025-01-01