Information about Dark Blue Grey color

#1F3B4D - Dark Blue Grey color image

Basic facts about this digital color

#1F3B4D, known as "Dark Blue Grey", falls into the Azure Color Family — Moderate Saturation, Dark brightness. The mix behind it: rgb(31, 59, 77) — 12.2% red, 23.1% green, 30.2% blue; the print equivalent is CMYK 18 / 7 / 0 / 70. New to color codes? See our guide to RGB color codes.

A pleasantly vivid azure, #1F3B4D stays on the darker end of the scale. Designers typically reach for tones like this for moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is almost identical to Nile Blue (#253F4E). Slightly further away sit Tarawera (#253C48) and Regal Blue (#203F58).

In RGB terms — rgb(31, 59, 77) — the blue channel does the heavy lifting here. On this background, white text reaches a 11.7:1 contrast ratio (passing WCAG AAA); black stays at 1.8:1. On paper it relies strongly on black ink (K:70), so proof dark layouts before a large print run. This precise shade carries the officially registered name "Dark Blue Grey" in the Register.

Dark Blue Grey color variations

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

Dark Blue Grey color tones

Tones looks more sophisticated and complex than base colors.

Dark Blue Grey color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.

Dark Blue Grey 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 Dark Blue Grey

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

Nile Blue color link
Nile Blue

#253F4E

Tarawera color link
Tarawera

#253C48

Regal Blue color link
Regal Blue

#203F58

Midnight Oil color link
Midnight Oil

#283854

Vintage Navy color link
Vintage Navy

#2A344D

Coast color link
Coast

#243442

Barometer color link
Barometer

#11394C

Cello color link
Cello

#1E385B

Bunting color link
Bunting

#2B3449

Tiki Tour color link
Tiki Tour

#234040

Conversions between color systems and etc.

  • HEX#1F3B4D
  • RGB31, 59, 77
  • CMYK18, 7, 0, 70
  • CSSrgb(31, 59, 77)
  • HSL203°, 43%, 21%
  • HSL Precise203.478°, 42.593%, 21.176%
  • HSV203°, 60%, 30%
  • HSB203°, 60%, 30%
  • Normalized R (0.0–1.0)0.122
  • Normalized G (0.0–1.0)0.231
  • Normalized B (0.0–1.0)0.302
  • GLSLvec3(0.122, 0.231, 0.302)
  • GLSL with alphavec4(0.122, 0.231, 0.302, 1.000)
  • HLSL / Metalfloat3(0.122, 0.231, 0.302)
  • Percentage of Red in RGB12.2%
  • Percentage of Green in RGB23.1%
  • Percentage of Blue in RGB30.2%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID1F3B4D
  • DECIMAL ID2046797
  • Name Length14
  • This page visited15 times
  • Counting from2025-01-01