Information about #213641 color

#213641 color image

Basic facts about this digital color

In the Register's classification, #213641 belongs to the Azure Color Family, featuring Mild Saturation and Dark brightness. In numbers: rgb(33, 54, 65) (12.9% red, 21.2% green, 25.5% blue), or CMYK 13 / 4 / 0 / 75 for print. New to color codes? See our guide to RGB color codes.

#213641 presents itself as a moderately toned steel-blue azure — one that stays on the darker end of the scale. In practice it works well for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is almost identical to Elephant (#243640). Slightly further away sit Coast (#243442) and Dark Slate Grey (#25383C).

The recipe behind #213641 is rgb(33, 54, 65), with blue as the dominant ingredient. Accessibility-wise, white text works best on #213641: 12.6:1 contrast (passing WCAG AAA) versus 1.7:1 for black. For print, note the heavy black component (K:75) — ink coverage matters with tones this deep. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#213641 color variations

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

#213641 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 #213641

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

Elephant color link
Elephant

#243640

Coast color link
Coast

#243442

Nordic color link
Nordic

#1D393C

Crescendo color link
Crescendo

#222F44

Mosaic color link
Mosaic

#293741

Tarawera color link
Tarawera

#253C48

Tiki Tour color link
Tiki Tour

#234040

Allegro color link
Allegro

#242E3B

Blueprint color link
Blueprint

#2A313F

Billabong color link
Billabong

#173141

Conversions between color systems and etc.

  • HEX#213641
  • RGB33, 54, 65
  • CMYK13, 4, 0, 75
  • CSSrgb(33, 54, 65)
  • HSL201°, 33%, 19%
  • HSL Precise200.625°, 32.653%, 19.216%
  • HSV201°, 49%, 25%
  • HSB201°, 49%, 25%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.212
  • Normalized B (0.0–1.0)0.255
  • GLSLvec3(0.129, 0.212, 0.255)
  • GLSL with alphavec4(0.129, 0.212, 0.255, 1.000)
  • HLSL / Metalfloat3(0.129, 0.212, 0.255)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB21.2%
  • Percentage of Blue in RGB25.5%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID213641
  • DECIMAL ID2176577
  • Name LengthThis color has no name
  • Seen by search & AI crawlers11 times
  • Counting from2025-01-01