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#1D3557

#1d3557 ≈ Prussian Blue

  • azure
  • Lightness: low
  • Saturation: muted
  • Cool
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#1d3557 is a color from the azure family, with low lightness and muted saturation. In the RGB model it is made of 11.37% red, 20.78% green and 34.12% blue; printed in CMYK it uses 66.67% cyan, 39.08% magenta, 0% yellow and 65.88% black. Its hue angle is 215.17°, with 50% saturation and 22.75% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and luxury branding. White text on this color reaches a contrast ratio of 12.36:1 (WCAG AAA). The closest named color is Prussian Blue (#003153), ΔE 4.03.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#333366
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.035

Complementary

  1. #1d3557
  2. #573f1d

Split complementary

  1. #1d3557
  2. #57221d
  3. #52571d

Analogous

  1. #1d5257
  2. #1d3557
  3. #221d57

Triadic

  1. #1d3557
  2. #571d35
  3. #35571d

Tetradic

  1. #1d3557
  2. #3f1d57
  3. #573f1d
  4. #35571d

Square

  1. #1d3557
  2. #571d52
  3. #573f1d
  4. #1d5722

Monochromatic

  1. #05090f
  2. #0a121e
  3. #1d3557
  4. #305890
  5. #4a7cc3

Shades

#1d3557 mixed progressively with black.

  1. #1d3557
  2. #1a304e
  3. #172a46
  4. #14253d
  5. #112034
  6. #0f1b2c
  7. #0c1523
  8. #09101a
  9. #060b11
  10. #030509
  11. #000000

Tints

#1d3557 mixed progressively with white.

  1. #1d3557
  2. #344968
  3. #4a5d79
  4. #617289
  5. #77869a
  6. #8e9aab
  7. #a5aebc
  8. #bbc2cd
  9. #d2d7dd
  10. #e8ebee
  11. #ffffff

Tones

#1d3557 mixed progressively with gray.

  1. #1d3557
  2. #273d5b
  3. #31445f
  4. #3b4c63
  5. #455367
  6. #4f5b6c
  7. #586270
  8. #626a74
  9. #6c7178
  10. #76797c
  11. #808080

Readable text 12.36:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.7:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #343434 ≈ 0.003% of males
Achromatomaly #2d3545 ≈ 0.001% of males
Protanopia #263758 ≈ 1.01% of males
Deuteranopia #1f3256 ≈ 1.27% of males
Tritanopia #003d41 ≈ 0.0001% of males
Protanomaly #233758 ≈ 1.08% of males
Deuteranomaly #1e3357 ≈ 4.63% of males
Tritanomaly #083a4b ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-1d3557 {
  color: #1d3557;
}
Background
.bg-1d3557 {
  background-color: #1d3557;
  color: #ffffff;
}
Border
.border-1d3557 {
  border: 2px solid #1d3557;
}
CSS variables
:root {
  --color-primary: #1d3557;
  --color-primary-rgb: 29 53 87;
  --color-primary-hsl: 215 50% 23%;
}
Gradient
.gradient-1d3557 {
  background: linear-gradient(135deg, #1d3557, #221d57);
}
Colored shadow
.shadow-1d3557 {
  box-shadow: 0 8px 24px rgb(29 53 87 / 0.35);
}

#003153 Prussian Blue ΔE 4.03 #002147 Oxford Blue ΔE 6.37 #003399 Smalt ΔE 9.83 #0f4d92 Yale Blue ΔE 10.56 #1034a6 Egyptian Blue ΔE 11.49 #191970 Midnight Blue ΔE 11.54 #36454f Charcoal ΔE 11.59 #e2caa8 Inverted #343434 Grayscale 

Prussian Blue
#1d3557  rgb(29, 53, 87)  hsl(215, 50%, 23%)  Prussian Blue
#573f1d  rgb(87, 63, 29)  hsl(35, 50%, 23%)  Sepia
#571d35  rgb(87, 29, 53)  hsl(335, 50%, 23%)  Tyrian Purple
#35571d  rgb(53, 87, 29)  hsl(95, 50%, 23%)  Lincoln Green