ColorTool
Log in
#045EFE

#045efe ≈ Ultramarine Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
Check contrast Explore in graph Random color

#045efe is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 1.57% red, 36.86% green and 99.61% blue; printed in CMYK it uses 98.43% cyan, 62.99% magenta, 0% yellow and 0.39% black. Its hue angle is 218.4°, with 99.21% saturation and 50.59% 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 5.2:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 3.29.

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 luminance0.1519

Complementary

  1. #045efe
  2. #fea404

Split complementary

  1. #045efe
  2. #fe2704
  3. #dbfe04

Analogous

  1. #04dbfe
  2. #045efe
  3. #2704fe

Triadic

  1. #045efe
  2. #fe045e
  3. #5efe04

Tetradic

  1. #045efe
  2. #a404fe
  3. #fea404
  4. #5efe04

Square

  1. #045efe
  2. #fe04db
  3. #fea404
  4. #04fe27

Monochromatic

  1. #002669
  2. #0142b5
  3. #045efe
  4. #508ffe
  5. #9cc0ff

Shades

#045efe mixed progressively with black.

  1. #045efe
  2. #0455e5
  3. #034bcb
  4. #0342b2
  5. #023898
  6. #022f7f
  7. #022666
  8. #011c4c
  9. #011333
  10. #000919
  11. #000000

Tints

#045efe mixed progressively with white.

  1. #045efe
  2. #1d6efe
  3. #367efe
  4. #4f8efe
  5. #689efe
  6. #82afff
  7. #9bbfff
  8. #b4cfff
  9. #cddfff
  10. #e6efff
  11. #ffffff

Tones

#045efe mixed progressively with gray.

  1. #045efe
  2. #1061f1
  3. #1d65e5
  4. #2968d8
  5. #366ccc
  6. #426fbf
  7. #4e72b2
  8. #5b76a6
  9. #677999
  10. #747d8d
  11. #808080

Readable text 5.2:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.04:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6d6d6d ≈ 0.003% of males
Achromatomaly #5567b9 ≈ 0.001% of males
Protanopia #0078ff ≈ 1.01% of males
Deuteranopia #0062fb ≈ 1.27% of males
Tritanopia #0089a5 ≈ 0.0001% of males
Protanomaly #006eff ≈ 1.08% of males
Deuteranomaly #0061fc ≈ 4.63% of males
Tritanomaly #007acf ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-045efe {
  color: #045efe;
}
Background
.bg-045efe {
  background-color: #045efe;
  color: #ffffff;
}
Border
.border-045efe {
  border: 2px solid #045efe;
}
CSS variables
:root {
  --color-primary: #045efe;
  --color-primary-rgb: 4 94 254;
  --color-primary-hsl: 218 99% 51%;
}
Gradient
.gradient-045efe {
  background: linear-gradient(135deg, #045efe, #2704fe);
}
Colored shadow
.shadow-045efe {
  box-shadow: 0 8px 24px rgb(4 94 254 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 3.29 #4169e1 Royal Blue ΔE 4.53 #0070ff Brandeis Blue ΔE 6.15 #1560bd Denim ΔE 8.52 #6050dc Majorelle Blue ΔE 8.69 #5a4fcf Iris ΔE 9.23 #0f52ba Sapphire ΔE 9.44 #fba101 Inverted #6d6d6d Grayscale 

Ultramarine Blue
#045efe  rgb(4, 94, 254)  hsl(218, 99%, 51%)  Ultramarine Blue
#fea404  rgb(254, 164, 4)  hsl(38, 99%, 51%)  Orange
#fe045e  rgb(254, 4, 94)  hsl(338, 99%, 51%)  Folly
#5efe04  rgb(94, 254, 4)  hsl(98, 99%, 51%)  Harlequin