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#2181CD

#2181cd ≈ Steel Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#2181cd is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 12.94% red, 50.59% green and 80.39% blue; printed in CMYK it uses 83.9% cyan, 37.07% magenta, 0% yellow and 19.61% black. Its hue angle is 206.51°, with 72.27% saturation and 46.67% 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 brand accents. Black text on this color reaches a contrast ratio of 5.09:1 (WCAG AA). The closest named color is Steel Blue (#4682b4), ΔE 3.21.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3399cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2043

Complementary

  1. #2181cd
  2. #cd6d21

Split complementary

  1. #2181cd
  2. #cd212b
  3. #cdc321

Analogous

  1. #21cdc3
  2. #2181cd
  3. #212bcd

Triadic

  1. #2181cd
  2. #cd2181
  3. #81cd21

Tetradic

  1. #2181cd
  2. #6d21cd
  3. #cd6d21
  4. #81cd21

Square

  1. #2181cd
  2. #c321cd
  3. #cd6d21
  4. #2bcd21

Monochromatic

  1. #0c2e49
  2. #16588b
  3. #2181cd
  4. #57a5e4
  5. #99c9ef

Shades

#2181cd mixed progressively with black.

  1. #2181cd
  2. #1e74b9
  3. #1a67a4
  4. #175a90
  5. #144d7b
  6. #114167
  7. #0d3452
  8. #0a273e
  9. #071a29
  10. #030d15
  11. #000000

Tints

#2181cd mixed progressively with white.

  1. #2181cd
  2. #378ed2
  3. #4d9ad7
  4. #64a7dc
  5. #7ab3e1
  6. #90c0e6
  7. #a6cdeb
  8. #bcd9f0
  9. #d3e6f5
  10. #e9f2fa
  11. #ffffff

Tones

#2181cd mixed progressively with gray.

  1. #2181cd
  2. #2b81c5
  3. #3481be
  4. #3e81b6
  5. #4781ae
  6. #5181a7
  7. #5a809f
  8. #648097
  9. #6d808f
  10. #778088
  11. #808080

Readable text 4.13:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.09:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7d7d7d ≈ 0.003% of males
Achromatomaly #647ea3 ≈ 0.001% of males
Protanopia #5d85d0 ≈ 1.01% of males
Deuteranopia #4376cc ≈ 1.27% of males
Tritanopia #00939d ≈ 0.0001% of males
Protanomaly #4b83cf ≈ 1.08% of males
Deuteranomaly #387acc ≈ 4.63% of males
Tritanomaly #008cb2 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-2181cd {
  color: #2181cd;
}
Background
.bg-2181cd {
  background-color: #2181cd;
  color: #000000;
}
Border
.border-2181cd {
  border: 2px solid #2181cd;
}
CSS variables
:root {
  --color-primary: #2181cd;
  --color-primary-rgb: 33 129 205;
  --color-primary-hsl: 207 72% 47%;
}
Gradient
.gradient-2181cd {
  background: linear-gradient(135deg, #2181cd, #212bcd);
}
Colored shadow
.shadow-2181cd {
  box-shadow: 0 8px 24px rgb(33 129 205 / 0.35);
}

#4682b4 Steel Blue ΔE 3.21 #417dc1 Tufts Blue ΔE 3.35 #318ce7 Bleu de France ΔE 4.91 #0073cf True Blue ΔE 5.25 #0072bb French Blue ΔE 5.87 #1e90ff Dodger Blue ΔE 7.15 #6082b6 Glaucous ΔE 7.51 #de7e32 Inverted #7d7d7d Grayscale 

Steel Blue
#2181cd  rgb(33, 129, 205)  hsl(207, 72%, 47%)  Steel Blue
#cd6d21  rgb(205, 109, 33)  hsl(27, 72%, 47%)  Chocolate
#cd2181  rgb(205, 33, 129)  hsl(327, 72%, 47%)  Medium Violet Red
#81cd21  rgb(129, 205, 33)  hsl(87, 72%, 47%)  Yellow Green