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#178DC2

#178dc2 ≈ Steel Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#178dc2 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 9.02% red, 55.29% green and 76.08% blue; printed in CMYK it uses 88.14% cyan, 27.32% magenta, 0% yellow and 23.92% black. Its hue angle is 198.6°, with 78.8% saturation and 42.55% 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 5.63:1 (WCAG AA). The closest named color is Steel Blue (#4682b4), ΔE 6.1.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0099cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2313

Complementary

  1. #178dc2
  2. #c24c17

Split complementary

  1. #178dc2
  2. #c21737
  3. #c2a217

Analogous

  1. #17c2a2
  2. #178dc2
  3. #1737c2

Triadic

  1. #178dc2
  2. #c2178d
  3. #8dc217

Tetradic

  1. #178dc2
  2. #4c17c2
  3. #c24c17
  4. #8dc217

Square

  1. #178dc2
  2. #a217c2
  3. #c24c17
  4. #37c217

Monochromatic

  1. #072a39
  2. #0f5b7e
  3. #178dc2
  4. #3db3e8
  5. #82cef0

Shades

#178dc2 mixed progressively with black.

  1. #178dc2
  2. #157faf
  3. #12719b
  4. #106388
  5. #0e5574
  6. #0c4761
  7. #09384e
  8. #072a3a
  9. #051c27
  10. #020e13
  11. #000000

Tints

#178dc2 mixed progressively with white.

  1. #178dc2
  2. #2e98c8
  3. #45a4ce
  4. #5dafd4
  5. #74bbda
  6. #8bc6e1
  7. #a2d1e7
  8. #b9dded
  9. #d1e8f3
  10. #e8f4f9
  11. #ffffff

Tones

#178dc2 mixed progressively with gray.

  1. #178dc2
  2. #228cbb
  3. #2c8ab5
  4. #3789ae
  5. #4188a8
  6. #4c87a1
  7. #56859a
  8. #618494
  9. #6b838d
  10. #768187
  11. #808080

Readable text 3.73:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.63:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #848484 ≈ 0.003% of males
Achromatomaly #6988a1 ≈ 0.001% of males
Protanopia #738cc4 ≈ 1.01% of males
Deuteranopia #5d7ec1 ≈ 1.27% of males
Tritanopia #009b9f ≈ 0.0001% of males
Protanomaly #5c8dc3 ≈ 1.08% of males
Deuteranomaly #4a84c1 ≈ 4.63% of males
Tritanomaly #0095ae ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-178dc2 {
  color: #178dc2;
}
Background
.bg-178dc2 {
  background-color: #178dc2;
  color: #000000;
}
Border
.border-178dc2 {
  border: 2px solid #178dc2;
}
CSS variables
:root {
  --color-primary: #178dc2;
  --color-primary-rgb: 23 141 194;
  --color-primary-hsl: 199 79% 43%;
}
Gradient
.gradient-178dc2 {
  background: linear-gradient(135deg, #178dc2, #1737c2);
}
Colored shadow
.shadow-178dc2 {
  box-shadow: 0 8px 24px rgb(23 141 194 / 0.35);
}

#4682b4 Steel Blue ΔE 6.10 #5d8aa8 Air Force Blue ΔE 6.66 #007ba7 Cerulean ΔE 7.13 #0095b6 Bondi Blue ΔE 7.32 #56a0d3 Carolina Blue ΔE 7.56 #318ce7 Bleu de France ΔE 8.06 #417dc1 Tufts Blue ΔE 9.14 #e8723d Inverted #848484 Grayscale 

Steel Blue
#178dc2  rgb(23, 141, 194)  hsl(199, 79%, 43%)  Steel Blue
#c24c17  rgb(194, 76, 23)  hsl(19, 79%, 43%)  Sinopia
#c2178d  rgb(194, 23, 141)  hsl(319, 79%, 43%)  Medium Violet Red
#8dc217  rgb(141, 194, 23)  hsl(79, 79%, 43%)  Yellow Green