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#40B4E9

#40b4e9 ≈ Deep Sky Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#40b4e9 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 25.1% red, 70.59% green and 91.37% blue; printed in CMYK it uses 72.53% cyan, 22.75% magenta, 0% yellow and 8.63% black. Its hue angle is 198.82°, with 79.34% saturation and 58.24% 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 8.92:1 (WCAG AAA). The closest named color is Deep Sky Blue (#00bfff), ΔE 3.51.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#33ccff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.3962

Complementary

  1. #40b4e9
  2. #e97540

Split complementary

  1. #40b4e9
  2. #e94060
  3. #e9ca40

Analogous

  1. #40e9ca
  2. #40b4e9
  3. #4060e9

Triadic

  1. #40b4e9
  2. #e940b4
  3. #b4e940

Tetradic

  1. #40b4e9
  2. #7540e9
  3. #e97540
  4. #b4e940

Square

  1. #40b4e9
  2. #ca40e9
  3. #e97540
  4. #60e940

Monochromatic

  1. #0f5d81
  2. #178fc6
  3. #40b4e9
  4. #85cff1
  5. #c9eaf9

Shades

#40b4e9 mixed progressively with black.

  1. #40b4e9
  2. #3aa2d2
  3. #3390ba
  4. #2d7ea3
  5. #266c8c
  6. #205a75
  7. #1a485d
  8. #133646
  9. #0d242f
  10. #061217
  11. #000000

Tints

#40b4e9 mixed progressively with white.

  1. #40b4e9
  2. #53bceb
  3. #66c3ed
  4. #79cbf0
  5. #8cd2f2
  6. #a0daf4
  7. #b3e1f6
  8. #c6e9f8
  9. #d9f0fb
  10. #ecf8fd
  11. #ffffff

Tones

#40b4e9 mixed progressively with gray.

  1. #40b4e9
  2. #46afdf
  3. #4daad4
  4. #53a4ca
  5. #5a9fbf
  6. #609ab5
  7. #6695aa
  8. #6d90a0
  9. #738a95
  10. #7a858b
  11. #808080

Readable text 2.35:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 8.92:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #a9a9a9 ≈ 0.003% of males
Achromatomaly #8badc6 ≈ 0.001% of males
Protanopia #9ab2ec ≈ 1.01% of males
Deuteranopia #83a2e8 ≈ 1.27% of males
Tritanopia #00c2c6 ≈ 0.0001% of males
Protanomaly #7fb3eb ≈ 1.08% of males
Deuteranomaly #6ea9e9 ≈ 4.63% of males
Tritanomaly #00bdd5 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-40b4e9 {
  color: #40b4e9;
}
Background
.bg-40b4e9 {
  background-color: #40b4e9;
  color: #000000;
}
Border
.border-40b4e9 {
  border: 2px solid #40b4e9;
}
CSS variables
:root {
  --color-primary: #40b4e9;
  --color-primary-rgb: 64 180 233;
  --color-primary-hsl: 199 79% 58%;
}
Gradient
.gradient-40b4e9 {
  background: linear-gradient(135deg, #40b4e9, #4060e9);
}
Colored shadow
.shadow-40b4e9 {
  box-shadow: 0 8px 24px rgb(64 180 233 / 0.35);
}

#00bfff Deep Sky Blue ΔE 3.51 #73c2fb Maya Blue ΔE 6.30 #56a0d3 Carolina Blue ΔE 6.72 #71a6d2 Iceberg ΔE 7.46 #73a9c2 Moonstone Blue ΔE 7.68 #87cefa Light Sky Blue ΔE 8.55 #89cff0 Baby Blue ΔE 9.24 #bf4b16 Inverted #a9a9a9 Grayscale 

Deep Sky Blue
#40b4e9  rgb(64, 180, 233)  hsl(199, 79%, 58%)  Deep Sky Blue
#e97540  rgb(233, 117, 64)  hsl(19, 79%, 58%)  Burnt Sienna
#e940b4  rgb(233, 64, 180)  hsl(319, 79%, 58%)  Shocking Pink
#b4e940  rgb(180, 233, 64)  hsl(79, 79%, 58%)  Inchworm