Information about #215A5D color

#215A5D color image

Basic facts about this digital color

#215A5D falls into the Cyan Color Family — Moderate Saturation, Dark brightness. Its exact recipe is rgb(33, 90, 93) — 12.9% red, 35.3% green, 36.5% blue — and for print it converts to CMYK 24 / 1 / 0 / 64. Curious how these numbers work? Read our RGB color codes guide.

The color #215A5D reads as a confidently colored water-like cyan and 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 a near neighbor of Dark Arctic Blue (#275359). Its next-closest registered neighbors are Dark Green Blue (#1F6357) and Dark Opal (#275953).

In RGB terms — rgb(33, 90, 93) — the blue channel does the heavy lifting here. Accessibility-wise, white text works best on #215A5D: 7.8:1 contrast (passing WCAG AAA) versus 2.7:1 for black. On paper it relies strongly on black ink (K:64), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #215A5D is still unnamed — it can be claimed and named in The Official Register of Color Names.

#215A5D color variations

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

#215A5D 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 #215A5D

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

Dark Opal color link
Dark Opal

#275953

Retro color link
Retro

#1B5256

Eden color link
Eden

#266255

Globe color link
Globe

#256761

Beatnik color link
Beatnik

#1F4F54

Spectra color link
Spectra

#2F5A57

Evening Sea color link
Evening Sea

#26604F

Lucifer color link
Lucifer

#2E5060

Marathon color link
Marathon

#305563

Arapawa color link
Arapawa

#274A5D

Conversions between color systems and etc.

  • HEX#215A5D
  • RGB33, 90, 93
  • CMYK24, 1, 0, 64
  • CSSrgb(33, 90, 93)
  • HSL183°, 48%, 25%
  • HSL Precise183°, 47.619%, 24.706%
  • HSV183°, 65%, 36%
  • HSB183°, 65%, 36%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.353
  • Normalized B (0.0–1.0)0.365
  • GLSLvec3(0.129, 0.353, 0.365)
  • GLSL with alphavec4(0.129, 0.353, 0.365, 1.000)
  • HLSL / Metalfloat3(0.129, 0.353, 0.365)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB35.3%
  • Percentage of Blue in RGB36.5%
  • Color FamilyCyan
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID215A5D
  • DECIMAL ID2185821
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01