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#538BBB

#538bbb ≈ Steel Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#538bbb is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 32.55% red, 54.51% green and 73.33% blue; printed in CMYK it uses 55.61% cyan, 25.67% magenta, 0% yellow and 26.67% black. Its hue angle is 207.69°, with 43.33% saturation and 52.94% 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 5.78:1 (WCAG AA). The closest named color is Steel Blue (#4682b4), ΔE 3.4.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6699cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2389

Complementary

  1. #538bbb
  2. #bb8353

Split complementary

  1. #538bbb
  2. #bb5357
  3. #bbb753

Analogous

  1. #53bbb7
  2. #538bbb
  3. #5357bb

Triadic

  1. #538bbb
  2. #bb538b
  3. #8bbb53

Tetradic

  1. #538bbb
  2. #8353bb
  3. #bb8353
  4. #8bbb53

Square

  1. #538bbb
  2. #b753bb
  3. #bb8353
  4. #57bb53

Monochromatic

  1. #213c54
  2. #37648b
  3. #538bbb
  4. #8ab0d1
  5. #c1d5e6

Shades

#538bbb mixed progressively with black.

  1. #538bbb
  2. #4b7da8
  3. #426f96
  4. #3a6183
  5. #325370
  6. #2a465e
  7. #21384b
  8. #192a38
  9. #111c25
  10. #080e13
  11. #000000

Tints

#538bbb mixed progressively with white.

  1. #538bbb
  2. #6497c2
  3. #75a2c9
  4. #87aecf
  5. #98b9d6
  6. #a9c5dd
  7. #bad1e4
  8. #cbdceb
  9. #dde8f1
  10. #eef3f8
  11. #ffffff

Tones

#538bbb mixed progressively with gray.

  1. #538bbb
  2. #588ab5
  3. #5c89af
  4. #6188a9
  5. #6587a3
  6. #6a869e
  7. #6e8498
  8. #738392
  9. #77828c
  10. #7c8186
  11. #808080

Readable text 3.63:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.78:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #868686 ≈ 0.003% of males
Achromatomaly #75889e ≈ 0.001% of males
Protanopia #778cbd ≈ 1.01% of males
Deuteranopia #6982ba ≈ 1.27% of males
Tritanopia #00969b ≈ 0.0001% of males
Protanomaly #6a8cbc ≈ 1.08% of males
Deuteranomaly #6185ba ≈ 4.63% of males
Tritanomaly #3492a9 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-538bbb {
  color: #538bbb;
}
Background
.bg-538bbb {
  background-color: #538bbb;
  color: #000000;
}
Border
.border-538bbb {
  border: 2px solid #538bbb;
}
CSS variables
:root {
  --color-primary: #538bbb;
  --color-primary-rgb: 83 139 187;
  --color-primary-hsl: 208 43% 53%;
}
Gradient
.gradient-538bbb {
  background: linear-gradient(135deg, #538bbb, #5357bb);
}
Colored shadow
.shadow-538bbb {
  box-shadow: 0 8px 24px rgb(83 139 187 / 0.35);
}

#4682b4 Steel Blue ΔE 3.40 #5d8aa8 Air Force Blue ΔE 4.27 #318ce7 Bleu de France ΔE 4.63 #417dc1 Tufts Blue ΔE 5.38 #6082b6 Glaucous ΔE 5.51 #5b92e5 United Nations Blue ΔE 5.80 #1e90ff Dodger Blue ΔE 6.46 #ac7444 Inverted #868686 Grayscale 

Steel Blue
#538bbb  rgb(83, 139, 187)  hsl(208, 43%, 53%)  Steel Blue
#bb8353  rgb(187, 131, 83)  hsl(28, 43%, 53%)  Peru
#bb538b  rgb(187, 83, 139)  hsl(328, 43%, 53%)  Mulberry
#8bbb53  rgb(139, 187, 83)  hsl(88, 43%, 53%)  Pistachio