ColorTool
Log in
#166BB5

#166bb5 ≈ French Blue

  • azure
  • Lightness: low
  • Saturation: strong
  • Cool
Check contrast Explore in graph Random color

#166bb5 is a color from the azure family, with low lightness and strong saturation. In the RGB model it is made of 8.63% red, 41.96% green and 70.98% blue; printed in CMYK it uses 87.85% cyan, 40.88% magenta, 0% yellow and 29.02% black. Its hue angle is 207.92°, with 78.33% saturation and 39.8% 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. White text on this color reaches a contrast ratio of 5.52:1 (WCAG AA). The closest named color is French Blue (#0072bb), ΔE 2.94.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0066cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1402

Complementary

  1. #166bb5
  2. #b56016

Split complementary

  1. #166bb5
  2. #b5161c
  3. #b5af16

Analogous

  1. #16b5af
  2. #166bb5
  3. #161cb5

Triadic

  1. #166bb5
  2. #b5166b
  3. #6bb516

Tetradic

  1. #166bb5
  2. #6016b5
  3. #b56016
  4. #6bb516

Square

  1. #166bb5
  2. #af16b5
  3. #b56016
  4. #1cb516

Monochromatic

  1. #051a2d
  2. #0e4371
  3. #166bb5
  4. #3192e6
  5. #76b6ee

Shades

#166bb5 mixed progressively with black.

  1. #166bb5
  2. #1460a3
  3. #125691
  4. #0f4b7f
  5. #0d406d
  6. #0b365b
  7. #092b48
  8. #072036
  9. #041524
  10. #020b12
  11. #000000

Tints

#166bb5 mixed progressively with white.

  1. #166bb5
  2. #2d7abc
  3. #4589c4
  4. #5c97cb
  5. #73a6d3
  6. #8bb5da
  7. #a2c4e1
  8. #b9d3e9
  9. #d0e1f0
  10. #e8f0f8
  11. #ffffff

Tones

#166bb5 mixed progressively with gray.

  1. #166bb5
  2. #216db0
  3. #2b6faa
  4. #3671a5
  5. #4073a0
  6. #4b769b
  7. #567895
  8. #607a90
  9. #6b7c8b
  10. #757e85
  11. #808080

Readable text 5.52:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.8:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #696969 ≈ 0.003% of males
Achromatomaly #536a8e ≈ 0.001% of males
Protanopia #4670b8 ≈ 1.01% of males
Deuteranopia #2b62b4 ≈ 1.27% of males
Tritanopia #007d87 ≈ 0.0001% of males
Protanomaly #386eb7 ≈ 1.08% of males
Deuteranomaly #2466b4 ≈ 4.63% of males
Tritanomaly #00769b ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-166bb5 {
  color: #166bb5;
}
Background
.bg-166bb5 {
  background-color: #166bb5;
  color: #ffffff;
}
Border
.border-166bb5 {
  border: 2px solid #166bb5;
}
CSS variables
:root {
  --color-primary: #166bb5;
  --color-primary-rgb: 22 107 181;
  --color-primary-hsl: 208 78% 40%;
}
Gradient
.gradient-166bb5 {
  background: linear-gradient(135deg, #166bb5, #161cb5);
}
Colored shadow
.shadow-166bb5 {
  box-shadow: 0 8px 24px rgb(22 107 181 / 0.35);
}

#0072bb French Blue ΔE 2.94 #0067a5 Medium Persian Blue ΔE 2.99 #0073cf True Blue ΔE 3.86 #26619c Lapis Lazuli ΔE 4.31 #1560bd Denim ΔE 4.66 #436b95 Queen Blue ΔE 4.69 #006994 Sea Blue ΔE 6.98 #e9944a Inverted #696969 Grayscale 

French Blue
#166bb5  rgb(22, 107, 181)  hsl(208, 78%, 40%)  French Blue
#b56016  rgb(181, 96, 22)  hsl(28, 78%, 40%)  Ginger
#b5166b  rgb(181, 22, 107)  hsl(328, 78%, 40%)  Jazzberry Jam
#6bb516  rgb(107, 181, 22)  hsl(88, 78%, 40%)  Kelly Green