Information about #28374E color

#28374E color image

Basic facts about this digital color

In the Register's classification, #28374E belongs to the Azure Color Family, featuring Mild Saturation and Dark brightness. The mix behind it: rgb(40, 55, 78) — 15.7% red, 21.6% green, 30.6% blue; the print equivalent is CMYK 15 / 9 / 0 / 69. New to color codes? See our guide to RGB color codes.

The color #28374E reads as a moderately toned sky-leaning azure and stays on the darker end of the scale. Designers typically reach for tones like this for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is almost identical to Vintage Navy (#2A344D). Slightly further away sit Midnight Oil (#283854) and Bunting (#2B3449).

The recipe behind #28374E is rgb(40, 55, 78), with blue as the dominant ingredient. Accessibility-wise, white text works best on #28374E: 12.0:1 contrast (passing WCAG AAA) versus 1.7:1 for black. On paper it relies strongly on black ink (K:69), so proof dark layouts before a large print run. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#28374E color variations

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

#28374E 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 #28374E

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

Vintage Navy color link
Vintage Navy

#2A344D

Midnight Oil color link
Midnight Oil

#283854

Bunting color link
Bunting

#2B3449

Tarawera color link
Tarawera

#253C48

Nile Blue color link
Nile Blue

#253F4E

Madison color link
Madison

#2D3C54

Checkmate color link
Checkmate

#2F324A

Lucky Point color link
Lucky Point

#292D4F

Galactica color link
Galactica

#303655

Conversions between color systems and etc.

  • HEX#28374E
  • RGB40, 55, 78
  • CMYK15, 9, 0, 69
  • CSSrgb(40, 55, 78)
  • HSL216°, 32%, 23%
  • HSL Precise216.316°, 32.203%, 23.137%
  • HSV216°, 49%, 31%
  • HSB216°, 49%, 31%
  • Normalized R (0.0–1.0)0.157
  • Normalized G (0.0–1.0)0.216
  • Normalized B (0.0–1.0)0.306
  • GLSLvec3(0.157, 0.216, 0.306)
  • GLSL with alphavec4(0.157, 0.216, 0.306, 1.000)
  • HLSL / Metalfloat3(0.157, 0.216, 0.306)
  • Percentage of Red in RGB15.7%
  • Percentage of Green in RGB21.6%
  • Percentage of Blue in RGB30.6%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID28374E
  • DECIMAL ID2635598
  • Name LengthThis color has no name
  • Seen by search & AI crawlers11 times
  • Counting from2025-01-01