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#3780BB

#3780bb ≈ Steel Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#3780bb is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 21.57% red, 50.2% green and 73.33% blue; printed in CMYK it uses 70.59% cyan, 31.55% magenta, 0% yellow and 26.67% black. Its hue angle is 206.82°, with 54.55% saturation and 47.45% 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 4.97:1 (WCAG AA). The closest named color is Steel Blue (#4682b4), ΔE 1.66.

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 luminance0.1984

Complementary

  1. #3780bb
  2. #bb7237

Split complementary

  1. #3780bb
  2. #bb373e
  3. #bbb437

Analogous

  1. #37bbb4
  2. #3780bb
  3. #373ebb

Triadic

  1. #3780bb
  2. #bb3780
  3. #80bb37

Tetradic

  1. #3780bb
  2. #7237bb
  3. #bb7237
  4. #80bb37

Square

  1. #3780bb
  2. #b437bb
  3. #bb7237
  4. #3ebb37

Monochromatic

  1. #142f45
  2. #265880
  3. #3780bb
  4. #6ba5d3
  5. #a6c9e5

Shades

#3780bb mixed progressively with black.

  1. #3780bb
  2. #3273a8
  3. #2c6696
  4. #275a83
  5. #214d70
  6. #1c405e
  7. #16334b
  8. #112638
  9. #0b1a25
  10. #060d13
  11. #000000

Tints

#3780bb mixed progressively with white.

  1. #3780bb
  2. #4b8dc2
  3. #5f99c9
  4. #73a6cf
  5. #87b3d6
  6. #9bc0dd
  7. #afcce4
  8. #c3d9eb
  9. #d7e6f1
  10. #ebf2f8
  11. #ffffff

Tones

#3780bb mixed progressively with gray.

  1. #3780bb
  2. #3e80b5
  3. #4680af
  4. #4d80a9
  5. #5480a3
  6. #5c809e
  7. #638098
  8. #6a8092
  9. #71808c
  10. #798086
  11. #808080

Readable text 4.23:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.97:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7b7b7b ≈ 0.003% of males
Achromatomaly #677d99 ≈ 0.001% of males
Protanopia #6582be ≈ 1.01% of males
Deuteranopia #5375ba ≈ 1.27% of males
Tritanopia #008e95 ≈ 0.0001% of males
Protanomaly #5681bd ≈ 1.08% of males
Deuteranomaly #497aba ≈ 4.63% of males
Tritanomaly #0089a6 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3780bb {
  color: #3780bb;
}
Background
.bg-3780bb {
  background-color: #3780bb;
  color: #000000;
}
Border
.border-3780bb {
  border: 2px solid #3780bb;
}
CSS variables
:root {
  --color-primary: #3780bb;
  --color-primary-rgb: 55 128 187;
  --color-primary-hsl: 207 55% 47%;
}
Gradient
.gradient-3780bb {
  background: linear-gradient(135deg, #3780bb, #373ebb);
}
Colored shadow
.shadow-3780bb {
  box-shadow: 0 8px 24px rgb(55 128 187 / 0.35);
}

#4682b4 Steel Blue ΔE 1.66 #417dc1 Tufts Blue ΔE 2.90 #0073cf True Blue ΔE 5.28 #0072bb French Blue ΔE 5.44 #318ce7 Bleu de France ΔE 6.11 #6082b6 Glaucous ΔE 6.64 #007ba7 Cerulean ΔE 6.75 #c87f44 Inverted #7b7b7b Grayscale 

Steel Blue
#3780bb  rgb(55, 128, 187)  hsl(207, 55%, 47%)  Steel Blue
#bb7237  rgb(187, 114, 55)  hsl(27, 55%, 47%)  Copper
#bb3780  rgb(187, 55, 128)  hsl(327, 55%, 47%)  Medium Violet Red
#80bb37  rgb(128, 187, 55)  hsl(87, 55%, 47%)  Apple Green