Information about Astronaut Blue color

#214559 - Astronaut Blue color image

Basic facts about this digital color

#214559, known as "Astronaut Blue", falls into the Azure Color Family — Moderate Saturation, Dark brightness. The mix behind it: rgb(33, 69, 89) — 12.9% red, 27.1% green, 34.9% blue; the print equivalent is CMYK 22 / 8 / 0 / 65. Curious how these numbers work? Read our RGB color codes guide.

#214559 presents itself as a clearly saturated sky-leaning azure — one that stays on the darker end of the scale. It is a natural fit for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is a hair away from Regal Blue (#203F58). Slightly further away sit Shipshape (#21425F) and Dark Azure (#274059).

The recipe behind #214559 is rgb(33, 69, 89), with blue as the dominant ingredient. Accessibility-wise, white text works best on #214559: 10.2:1 contrast (passing WCAG AAA) versus 2.1:1 for black. On paper it relies strongly on black ink (K:65), so proof dark layouts before a large print run. The name "Astronaut Blue" is officially recorded for this exact shade in The Official Register of Color Names.

Astronaut Blue color variations

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

Astronaut Blue 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 Astronaut Blue

The closest officially registered color names in the Register, ordered by similarity.

Regal Blue color link
Regal Blue

#203F58

Shipshape color link
Shipshape

#21425F

Dark Azure color link
Dark Azure

#274059

Arapawa color link
Arapawa

#274A5D

Blue Clouds color link
Blue Clouds

#273C5A

Beatnik color link
Beatnik

#1F4F54

Wanaka color link
Wanaka

#284962

Ares blue color link
Ares blue

#2D4255

Conversions between color systems and etc.

  • HEX#214559
  • RGB33, 69, 89
  • CMYK22, 8, 0, 65
  • CSSrgb(33, 69, 89)
  • HSL201°, 46%, 24%
  • HSL Precise201.429°, 45.902%, 23.922%
  • HSV201°, 63%, 35%
  • HSB201°, 63%, 35%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.271
  • Normalized B (0.0–1.0)0.349
  • GLSLvec3(0.129, 0.271, 0.349)
  • GLSL with alphavec4(0.129, 0.271, 0.349, 1.000)
  • HLSL / Metalfloat3(0.129, 0.271, 0.349)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB27.1%
  • Percentage of Blue in RGB34.9%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID214559
  • DECIMAL ID2180441
  • Name Length14
  • This page visited310 times
  • Counting from2025-01-01