Information about #283E4D color

#283E4D color image

Basic facts about this digital color

In the Register's classification, #283E4D belongs to the Azure Color Family, featuring Mild Saturation and Dark brightness. In numbers: rgb(40, 62, 77) (15.7% red, 24.3% green, 30.2% blue), or CMYK 15 / 6 / 0 / 70 for print. Curious how these numbers work? Read our RGB color codes guide.

A softly balanced steel-blue azure, #283E4D leans clearly toward the dark side. Expect to see shades like this in dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is practically indistinguishable from Nile Blue (#253F4E). Its next-closest registered neighbors are Tarawera (#253C48) and Japanese Indigo (#264348).

In RGB terms — rgb(40, 62, 77) — the blue channel does the heavy lifting here. Accessibility-wise, white text works best on #283E4D: 11.1:1 contrast (passing WCAG AAA) versus 1.9:1 for black. On paper it relies strongly on black ink (K:70), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #283E4D is still unnamed — it can be claimed and named in The Official Register of Color Names.

#283E4D color variations

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

#283E4D 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 #283E4D

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

Nile Blue color link
Nile Blue

#253F4E

Tarawera color link
Tarawera

#253C48

Madison color link
Madison

#2D3C54

Midnight Oil color link
Midnight Oil

#283854

Vintage Navy color link
Vintage Navy

#2A344D

Ares blue color link
Ares blue

#2D4255

Bunting color link
Bunting

#2B3449

Dark Azure color link
Dark Azure

#274059

Gotham color link
Gotham

#303B44

Conversions between color systems and etc.

  • HEX#283E4D
  • RGB40, 62, 77
  • CMYK15, 6, 0, 70
  • CSSrgb(40, 62, 77)
  • HSL204°, 32%, 23%
  • HSL Precise204.324°, 31.624%, 22.941%
  • HSV204°, 48%, 30%
  • HSB204°, 48%, 30%
  • Normalized R (0.0–1.0)0.157
  • Normalized G (0.0–1.0)0.243
  • Normalized B (0.0–1.0)0.302
  • GLSLvec3(0.157, 0.243, 0.302)
  • GLSL with alphavec4(0.157, 0.243, 0.302, 1.000)
  • HLSL / Metalfloat3(0.157, 0.243, 0.302)
  • Percentage of Red in RGB15.7%
  • Percentage of Green in RGB24.3%
  • Percentage of Blue in RGB30.2%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID283E4D
  • DECIMAL ID2637389
  • Name LengthThis color has no name
  • Seen by search & AI crawlers30 times
  • Counting from2025-01-01