Information about #2B303F color

#2B303F color image

Basic facts about this digital color

#2B303F falls into the Blue Color FamilyLow Saturation, Dark brightness. Its exact recipe is rgb(43, 48, 63) — 16.9% red, 18.8% green, 24.7% blue — and for print it converts to CMYK 8 / 6 / 0 / 75. Curious how these numbers work? Read our RGB color codes guide.

The color #2B303F reads as a gently muted classic blue and stays on the darker end of the scale. Expect to see shades like this in dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is a hair away from Blueprint (#2A313F). Slightly further away sit Black Rock (#2C2D3C) and Valhalla (#2A2B41).

The recipe behind #2B303F is rgb(43, 48, 63), with blue as the dominant ingredient. Accessibility-wise, white text works best on #2B303F: 13.1:1 contrast (passing WCAG AAA) versus 1.6:1 for black. For print, note the heavy black component (K:75) — ink coverage matters with tones this deep. No one has named #2B303F so far. Register a name for it and it becomes a permanent record.

#2B303F color variations

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

#2B303F 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 #2B303F

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

Blueprint color link
Blueprint

#2A313F

Black Rock color link
Black Rock

#2C2D3C

Valhalla color link
Valhalla

#2A2B41

Tornado color link
Tornado

#272D3C

Quarterback color link
Quarterback

#282B3C

Crater Smoke color link
Crater Smoke

#2F2E3A

Gunmetal color link
Gunmetal

#2A3439

Mosaic color link
Mosaic

#293741

Allegro color link
Allegro

#242E3B

Coast color link
Coast

#243442

Double Tuna color link
Double Tuna

#2F3237

Conversions between color systems and etc.

  • HEX#2B303F
  • RGB43, 48, 63
  • CMYK8, 6, 0, 75
  • CSSrgb(43, 48, 63)
  • HSL225°, 19%, 21%
  • HSL Precise225°, 18.868%, 20.784%
  • HSV225°, 32%, 25%
  • HSB225°, 32%, 25%
  • Normalized R (0.0–1.0)0.169
  • Normalized G (0.0–1.0)0.188
  • Normalized B (0.0–1.0)0.247
  • GLSLvec3(0.169, 0.188, 0.247)
  • GLSL with alphavec4(0.169, 0.188, 0.247, 1.000)
  • HLSL / Metalfloat3(0.169, 0.188, 0.247)
  • Percentage of Red in RGB16.9%
  • Percentage of Green in RGB18.8%
  • Percentage of Blue in RGB24.7%
  • Color FamilyBlue
  • Saturation FamilyLow Saturation
  • Lightness FamilyDark
  • HEX ID2B303F
  • DECIMAL ID2830399
  • Name LengthThis color has no name
  • Seen by search & AI crawlers17 times
  • Counting from2025-01-01