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#045BF0

#045bf0 ≈ Ultramarine Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#045bf0 is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 1.57% red, 35.69% green and 94.12% blue; printed in CMYK it uses 98.33% cyan, 62.08% magenta, 0% yellow and 5.88% black. Its hue angle is 217.88°, with 96.72% saturation and 47.84% 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 call-to-action buttons. White text on this color reaches a contrast ratio of 5.59:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 4.63.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0066ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.138

Complementary

  1. #045bf0
  2. #f09904

Split complementary

  1. #045bf0
  2. #f02304
  3. #d1f004

Analogous

  1. #04d1f0
  2. #045bf0
  3. #2304f0

Triadic

  1. #045bf0
  2. #f0045b
  3. #5bf004

Tetradic

  1. #045bf0
  2. #9904f0
  3. #f09904
  4. #5bf004

Square

  1. #045bf0
  2. #f004d1
  3. #f09904
  4. #04f023

Monochromatic

  1. #012259
  2. #033ea5
  3. #045bf0
  4. #4588fc
  5. #90b8fd

Shades

#045bf0 mixed progressively with black.

  1. #045bf0
  2. #0452d8
  3. #0349c0
  4. #0340a8
  5. #023790
  6. #022e78
  7. #022460
  8. #011b48
  9. #011230
  10. #000918
  11. #000000

Tints

#045bf0 mixed progressively with white.

  1. #045bf0
  2. #1d6bf2
  3. #367cf3
  4. #4f8cf5
  5. #689df6
  6. #82adf8
  7. #9bbdf9
  8. #b4cefb
  9. #cddefc
  10. #e6effe
  11. #ffffff

Tones

#045bf0 mixed progressively with gray.

  1. #045bf0
  2. #105fe5
  3. #1d62da
  4. #2966ce
  5. #366ac3
  6. #426eb8
  7. #4e71ad
  8. #5b75a2
  9. #677996
  10. #747c8b
  11. #808080

Readable text 5.59:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.76:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #686868 ≈ 0.003% of males
Achromatomaly #5163af ≈ 0.001% of males
Protanopia #0072f5 ≈ 1.01% of males
Deuteranopia #005eed ≈ 1.27% of males
Tritanopia #00839d ≈ 0.0001% of males
Protanomaly #006af3 ≈ 1.08% of males
Deuteranomaly #005dee ≈ 4.63% of males
Tritanomaly #0075c4 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-045bf0 {
  color: #045bf0;
}
Background
.bg-045bf0 {
  background-color: #045bf0;
  color: #ffffff;
}
Border
.border-045bf0 {
  border: 2px solid #045bf0;
}
CSS variables
:root {
  --color-primary: #045bf0;
  --color-primary-rgb: 4 91 240;
  --color-primary-hsl: 218 97% 48%;
}
Gradient
.gradient-045bf0 {
  background: linear-gradient(135deg, #045bf0, #2304f0);
}
Colored shadow
.shadow-045bf0 {
  box-shadow: 0 8px 24px rgb(4 91 240 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 4.63 #4169e1 Royal Blue ΔE 4.91 #1560bd Denim ΔE 7.07 #0070ff Brandeis Blue ΔE 7.39 #0f52ba Sapphire ΔE 7.42 #6050dc Majorelle Blue ΔE 8.30 #5a4fcf Iris ΔE 8.38 #fba40f Inverted #686868 Grayscale 

Ultramarine Blue
#045bf0  rgb(4, 91, 240)  hsl(218, 97%, 48%)  Ultramarine Blue
#f09904  rgb(240, 153, 4)  hsl(38, 97%, 48%)  Orange Peel
#f0045b  rgb(240, 4, 91)  hsl(338, 97%, 48%)  Raspberry
#5bf004  rgb(91, 240, 4)  hsl(98, 97%, 48%)  Harlequin