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#558FA9

#558fa9 ≈ Air Force Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#558fa9 is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 33.33% red, 56.08% green and 66.27% blue; printed in CMYK it uses 49.7% cyan, 15.38% magenta, 0% yellow and 33.73% black. Its hue angle is 198.57°, with 33.07% saturation and 49.8% 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 5.89:1 (WCAG AA). The closest named color is Air Force Blue (#5d8aa8), ΔE 3.8.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#669999
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2444

Complementary

  1. #558fa9
  2. #a96f55

Split complementary

  1. #558fa9
  2. #a95565
  3. #a99955

Analogous

  1. #55a999
  2. #558fa9
  3. #5565a9

Triadic

  1. #558fa9
  2. #a9558f
  3. #8fa955

Tetradic

  1. #558fa9
  2. #6f55a9
  3. #a96f55
  4. #8fa955

Square

  1. #558fa9
  2. #9955a9
  3. #a96f55
  4. #65a955

Monochromatic

  1. #223943
  2. #3b6476
  3. #558fa9
  4. #88b1c3
  5. #bad2dd

Shades

#558fa9 mixed progressively with black.

  1. #558fa9
  2. #4d8198
  3. #447287
  4. #3c6476
  5. #335665
  6. #2b4855
  7. #223944
  8. #1a2b33
  9. #111d22
  10. #090e11
  11. #000000

Tints

#558fa9 mixed progressively with white.

  1. #558fa9
  2. #669ab2
  3. #77a5ba
  4. #88b1c3
  5. #99bccb
  6. #aac7d4
  7. #bbd2dd
  8. #ccdde5
  9. #dde9ee
  10. #eef4f6
  11. #ffffff

Tones

#558fa9 mixed progressively with gray.

  1. #558fa9
  2. #598ea5
  3. #5e8ca1
  4. #628b9d
  5. #668999
  6. #6b8895
  7. #6f8690
  8. #73858c
  9. #778388
  10. #7c8284
  11. #808080

Readable text 3.57:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.89:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #888888 ≈ 0.003% of males
Achromatomaly #778b96 ≈ 0.001% of males
Protanopia #828daa ≈ 1.01% of males
Deuteranopia #7584a9 ≈ 1.27% of males
Tritanopia #299697 ≈ 0.0001% of males
Protanomaly #728eaa ≈ 1.08% of males
Deuteranomaly #6a88a9 ≈ 4.63% of males
Tritanomaly #3f949f ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-558fa9 {
  color: #558fa9;
}
Background
.bg-558fa9 {
  background-color: #558fa9;
  color: #000000;
}
Border
.border-558fa9 {
  border: 2px solid #558fa9;
}
CSS variables
:root {
  --color-primary: #558fa9;
  --color-primary-rgb: 85 143 169;
  --color-primary-hsl: 199 33% 50%;
}
Gradient
.gradient-558fa9 {
  background: linear-gradient(135deg, #558fa9, #5565a9);
}
Colored shadow
.shadow-558fa9 {
  box-shadow: 0 8px 24px rgb(85 143 169 / 0.35);
}

#5d8aa8 Air Force Blue ΔE 3.80 #0095b6 Bondi Blue ΔE 5.72 #4682b4 Steel Blue ΔE 8.42 #73a9c2 Moonstone Blue ΔE 8.58 #56a0d3 Carolina Blue ΔE 8.62 #778899 Light Slate Gray ΔE 9.28 #778899 Light Slate Grey ΔE 9.28 #aa7056 Inverted #888888 Grayscale 

Air Force Blue
#558fa9  rgb(85, 143, 169)  hsl(199, 33%, 50%)  Air Force Blue
#a96f55  rgb(169, 111, 85)  hsl(19, 33%, 50%)  Cafe au Lait
#a9558f  rgb(169, 85, 143)  hsl(319, 33%, 50%)  Mulberry
#8fa955  rgb(143, 169, 85)  hsl(79, 33%, 50%)  Asparagus