Information about #30666E color

#30666E color image

Basic facts about this digital color

In the Register's classification, #30666E belongs to the Cyan Color Family, featuring Mild Saturation and Neutral brightness. In numbers: rgb(48, 102, 110) (18.8% red, 40% green, 43.1% blue), or CMYK 24 / 3 / 0 / 57 for print. Curious how these numbers work? Read our RGB color codes guide.

#30666E presents itself as a moderately toned water-like cyan — one that occupies the middle of the lightness scale. It is a natural fit for versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is almost identical to Muse (#2E696D). Slightly further away sit Boomtown (#346672) and Casal (#2F6168).

The recipe behind #30666E is rgb(48, 102, 110), with blue as the dominant ingredient. Accessibility-wise, white text works best on #30666E: 6.5:1 contrast (passing WCAG AA) versus 3.3:1 for black. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#30666E color variations

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

#30666E 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 #30666E

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

Muse color link
Muse

#2E696D

Boomtown color link
Boomtown

#346672

Casal color link
Casal

#2F6168

Blumine color link
Blumine

#305C71

Undercurrent color link
Undercurrent

#365C6C

Blue Ashes color link
Blue Ashes

#3B5F78

Spray Drift color link
Spray Drift

#2D5877

Globe color link
Globe

#256761

Orient color link
Orient

#255B77

Venice Blue color link
Venice Blue

#2C5778

Conversions between color systems and etc.

  • HEX#30666E
  • RGB48, 102, 110
  • CMYK24, 3, 0, 57
  • CSSrgb(48, 102, 110)
  • HSL188°, 39%, 31%
  • HSL Precise187.742°, 39.241%, 30.98%
  • HSV188°, 56%, 43%
  • HSB188°, 56%, 43%
  • Normalized R (0.0–1.0)0.188
  • Normalized G (0.0–1.0)0.400
  • Normalized B (0.0–1.0)0.431
  • GLSLvec3(0.188, 0.400, 0.431)
  • GLSL with alphavec4(0.188, 0.400, 0.431, 1.000)
  • HLSL / Metalfloat3(0.188, 0.400, 0.431)
  • Percentage of Red in RGB18.8%
  • Percentage of Green in RGB40%
  • Percentage of Blue in RGB43.1%
  • Color FamilyCyan
  • Saturation FamilyMild Saturation
  • Lightness FamilyNeutral
  • HEX ID30666E
  • DECIMAL ID3171950
  • Name LengthThis color has no name
  • Seen by search & AI crawlers9 times
  • Counting from2025-01-01