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#397EB3

#397eb3 ≈ Steel Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#397eb3 is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 22.35% red, 49.41% green and 70.2% blue; printed in CMYK it uses 68.16% cyan, 29.61% magenta, 0% yellow and 29.8% black. Its hue angle is 206.07°, with 51.69% saturation and 46.27% 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 4.81:1 (WCAG AA). The closest named color is Steel Blue (#4682b4), ΔE 1.93.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1905

Complementary

  1. #397eb3
  2. #b36e39

Split complementary

  1. #397eb3
  2. #b33941
  3. #b3ab39

Analogous

  1. #39b3ab
  2. #397eb3
  3. #3941b3

Triadic

  1. #397eb3
  2. #b3397e
  3. #7eb339

Tetradic

  1. #397eb3
  2. #6e39b3
  3. #b36e39
  4. #7eb339

Square

  1. #397eb3
  2. #ab39b3
  3. #b36e39
  4. #41b339

Monochromatic

  1. #142c3f
  2. #275579
  3. #397eb3
  4. #69a3cf
  5. #a3c7e2

Shades

#397eb3 mixed progressively with black.

  1. #397eb3
  2. #3371a1
  3. #2e658f
  4. #28587d
  5. #224c6b
  6. #1d3f5a
  7. #173248
  8. #112636
  9. #0b1924
  10. #060d12
  11. #000000

Tints

#397eb3 mixed progressively with white.

  1. #397eb3
  2. #4d8bbb
  3. #6198c2
  4. #74a5ca
  5. #88b2d1
  6. #9cbfd9
  7. #b0cbe1
  8. #c4d8e8
  9. #d7e5f0
  10. #ebf2f7
  11. #ffffff

Tones

#397eb3 mixed progressively with gray.

  1. #397eb3
  2. #407eae
  3. #477ea9
  4. #4e7fa4
  5. #557f9f
  6. #5d7f9a
  7. #647f94
  8. #6b7f8f
  9. #72808a
  10. #798085
  11. #808080

Readable text 4.37:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.81:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #797979 ≈ 0.003% of males
Achromatomaly #657b94 ≈ 0.001% of males
Protanopia #667fb5 ≈ 1.01% of males
Deuteranopia #5574b2 ≈ 1.27% of males
Tritanopia #008b91 ≈ 0.0001% of males
Protanomaly #587fb4 ≈ 1.08% of males
Deuteranomaly #4c78b2 ≈ 4.63% of males
Tritanomaly #0086a0 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-397eb3 {
  color: #397eb3;
}
Background
.bg-397eb3 {
  background-color: #397eb3;
  color: #000000;
}
Border
.border-397eb3 {
  border: 2px solid #397eb3;
}
CSS variables
:root {
  --color-primary: #397eb3;
  --color-primary-rgb: 57 126 179;
  --color-primary-hsl: 206 52% 46%;
}
Gradient
.gradient-397eb3 {
  background: linear-gradient(135deg, #397eb3, #3941b3);
}
Colored shadow
.shadow-397eb3 {
  box-shadow: 0 8px 24px rgb(57 126 179 / 0.35);
}

#4682b4 Steel Blue ΔE 1.93 #417dc1 Tufts Blue ΔE 3.35 #0072bb French Blue ΔE 4.94 #0073cf True Blue ΔE 5.21 #007ba7 Cerulean ΔE 5.74 #5d8aa8 Air Force Blue ΔE 6.86 #6082b6 Glaucous ΔE 6.89 #c6814c Inverted #797979 Grayscale 

Steel Blue
#397eb3  rgb(57, 126, 179)  hsl(206, 52%, 46%)  Steel Blue
#b36e39  rgb(179, 110, 57)  hsl(26, 52%, 46%)  Copper
#b3397e  rgb(179, 57, 126)  hsl(326, 52%, 46%)  Medium Violet Red
#7eb339  rgb(126, 179, 57)  hsl(86, 52%, 46%)  Apple Green