Information about #309BC5 color

#309BC5 color image

Basic facts about this digital color

In the Register's classification, #309BC5 belongs to the Azure Color Family, featuring High Saturation and Light brightness. In numbers: rgb(48, 155, 197) (18.8% red, 60.8% green, 77.3% blue), or CMYK 58 / 16 / 0 / 23 for print. Curious how these numbers work? Read our RGB color codes guide.

A strongly colored steel-blue azure, #309BC5 feels open and friendly. Expect to see shades like this in bold branding moments and attention-grabbing details. In The Official Register of Color Names it is practically indistinguishable from Peacock (#33A1C9). Its next-closest registered neighbors are Blue Ivy (#3090C7) and Homebox Blue (#36A2B9).

In RGB terms — rgb(48, 155, 197) — the blue channel does the heavy lifting here. If you plan to put text on a #309BC5 background, choose black — the contrast ratio is 6.6:1 (passing WCAG AA), while white manages only 3.2:1. No one has named #309BC5 so far. Register a name for it and it becomes a permanent record.

#309BC5 color variations

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

#309BC5 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 #309BC5

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

Peacock color link
Peacock

#33A1C9

Blue Ivy color link
Blue Ivy

#3090C7

Homebox Blue color link
Homebox Blue

#36A2B9

Douban Blue color link
Douban Blue

#2496CD

Moonstone color link
Moonstone

#3AA8C1

Curious Blue color link
Curious Blue

#2596D1

Freefall color link
Freefall

#1D95C9

Pelorous color link
Pelorous

#2599B2

Boston Blue color link
Boston Blue

#3B91B4

Aquarius color link
Aquarius

#43A8C5

Ball Blue color link
Ball Blue

#21ABCD

Conversions between color systems and etc.

  • HEX#309BC5
  • RGB48, 155, 197
  • CMYK58, 16, 0, 23
  • CSSrgb(48, 155, 197)
  • HSL197°, 61%, 48%
  • HSL Precise196.913°, 60.816%, 48.039%
  • HSV197°, 76%, 77%
  • HSB197°, 76%, 77%
  • Normalized R (0.0–1.0)0.188
  • Normalized G (0.0–1.0)0.608
  • Normalized B (0.0–1.0)0.773
  • GLSLvec3(0.188, 0.608, 0.773)
  • GLSL with alphavec4(0.188, 0.608, 0.773, 1.000)
  • HLSL / Metalfloat3(0.188, 0.608, 0.773)
  • Percentage of Red in RGB18.8%
  • Percentage of Green in RGB60.8%
  • Percentage of Blue in RGB77.3%
  • Color FamilyAzure
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID309BC5
  • DECIMAL ID3185605
  • Name LengthThis color has no name
  • Seen by search & AI crawlers10 times
  • Counting from2025-01-01