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#187AAA

#187aaa ≈ Cerulean

  • azure
  • Lightness: low
  • Saturation: strong
  • Cool
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#187aaa is a color from the azure family, with low lightness and strong saturation. In the RGB model it is made of 9.41% red, 47.84% green and 66.67% blue; printed in CMYK it uses 85.88% cyan, 28.24% magenta, 0% yellow and 33.33% black. Its hue angle is 199.73°, with 75.26% saturation and 38.04% 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. White text on this color reaches a contrast ratio of 4.77:1 (WCAG AA). The closest named color is Cerulean (#007ba7), ΔE 1.96.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#006699
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1702

Complementary

  1. #187aaa
  2. #aa4818

Split complementary

  1. #187aaa
  2. #aa1831
  3. #aa9118

Analogous

  1. #18aa91
  2. #187aaa
  3. #1831aa

Triadic

  1. #187aaa
  2. #aa187a
  3. #7aaa18

Tetradic

  1. #187aaa
  2. #4818aa
  3. #aa4818
  4. #7aaa18

Square

  1. #187aaa
  2. #9118aa
  3. #aa4818
  4. #31aa18

Monochromatic

  1. #051a24
  2. #0f4a67
  3. #187aaa
  4. #2da6e1
  5. #70c2eb

Shades

#187aaa mixed progressively with black.

  1. #187aaa
  2. #166e99
  3. #136288
  4. #115577
  5. #0e4966
  6. #0c3d55
  7. #0a3144
  8. #072533
  9. #051822
  10. #020c11
  11. #000000

Tints

#187aaa mixed progressively with white.

  1. #187aaa
  2. #2f87b3
  3. #4695bb
  4. #5da2c4
  5. #74afcc
  6. #8cbdd5
  7. #a3cadd
  8. #bad7e6
  9. #d1e4ee
  10. #e8f2f7
  11. #ffffff

Tones

#187aaa mixed progressively with gray.

  1. #187aaa
  2. #227ba6
  3. #2d7ba2
  4. #377c9d
  5. #427c99
  6. #4c7d95
  7. #567e91
  8. #617e8d
  9. #6b7f88
  10. #767f84
  11. #808080

Readable text 4.77:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.4:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #737373 ≈ 0.003% of males
Achromatomaly #5b768c ≈ 0.001% of males
Protanopia #637aac ≈ 1.01% of males
Deuteranopia #506da9 ≈ 1.27% of males
Tritanopia #00868b ≈ 0.0001% of males
Protanomaly #4f7aab ≈ 1.08% of males
Deuteranomaly #4072aa ≈ 4.63% of males
Tritanomaly #008298 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-187aaa {
  color: #187aaa;
}
Background
.bg-187aaa {
  background-color: #187aaa;
  color: #ffffff;
}
Border
.border-187aaa {
  border: 2px solid #187aaa;
}
CSS variables
:root {
  --color-primary: #187aaa;
  --color-primary-rgb: 24 122 170;
  --color-primary-hsl: 200 75% 38%;
}
Gradient
.gradient-187aaa {
  background: linear-gradient(135deg, #187aaa, #1831aa);
}
Colored shadow
.shadow-187aaa {
  box-shadow: 0 8px 24px rgb(24 122 170 / 0.35);
}

#007ba7 Cerulean ΔE 1.96 #0072bb French Blue ΔE 5.59 #4682b4 Steel Blue ΔE 5.65 #006994 Sea Blue ΔE 6.38 #417dc1 Tufts Blue ΔE 7.35 #0073cf True Blue ΔE 7.51 #0067a5 Medium Persian Blue ΔE 7.69 #e78555 Inverted #737373 Grayscale 

Cerulean
#187aaa  rgb(24, 122, 170)  hsl(200, 75%, 38%)  Cerulean
#aa4818  rgb(170, 72, 24)  hsl(20, 75%, 38%)  Rust
#aa187a  rgb(170, 24, 122)  hsl(320, 75%, 38%)  Medium Violet Red
#7aaa18  rgb(122, 170, 24)  hsl(80, 75%, 38%)  Apple Green