ColorTool
Log in
#045CFE

#045cfe ≈ Ultramarine Blue

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

#045cfe is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 1.57% red, 36.08% green and 99.61% blue; printed in CMYK it uses 98.43% cyan, 63.78% magenta, 0% yellow and 0.39% black. Its hue angle is 218.88°, 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 5.29:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 3.7.

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 luminance0.1484

Complementary

  1. #045cfe
  2. #fea604

Split complementary

  1. #045cfe
  2. #fe2904
  3. #d9fe04

Analogous

  1. #04d9fe
  2. #045cfe
  3. #2904fe

Triadic

  1. #045cfe
  2. #fe045c
  3. #5cfe04

Tetradic

  1. #045cfe
  2. #a604fe
  3. #fea604
  4. #5cfe04

Square

  1. #045cfe
  2. #fe04d9
  3. #fea604
  4. #04fe29

Monochromatic

  1. #002569
  2. #0140b5
  3. #045cfe
  4. #508dfe
  5. #9cbfff

Shades

#045cfe mixed progressively with black.

  1. #045cfe
  2. #0453e5
  3. #034acb
  4. #0340b2
  5. #023798
  6. #022e7f
  7. #022566
  8. #011c4c
  9. #011233
  10. #000919
  11. #000000

Tints

#045cfe mixed progressively with white.

  1. #045cfe
  2. #1d6cfe
  3. #367dfe
  4. #4f8dfe
  5. #689dfe
  6. #82aeff
  7. #9bbeff
  8. #b4ceff
  9. #cddeff
  10. #e6efff
  11. #ffffff

Tones

#045cfe mixed progressively with gray.

  1. #045cfe
  2. #1060f1
  3. #1d63e5
  4. #2967d8
  5. #366acc
  6. #426ebf
  7. #4e72b2
  8. #5b75a6
  9. #677999
  10. #747c8d
  11. #808080

Readable text 5.29:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.97:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6b6b6b ≈ 0.003% of males
Achromatomaly #5466b9 ≈ 0.001% of males
Protanopia #0076ff ≈ 1.01% of males
Deuteranopia #0061fb ≈ 1.27% of males
Tritanopia #0088a5 ≈ 0.0001% of males
Protanomaly #006dff ≈ 1.08% of males
Deuteranomaly #005ffc ≈ 4.63% of males
Tritanomaly #0079cf ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-045cfe {
  color: #045cfe;
}
Background
.bg-045cfe {
  background-color: #045cfe;
  color: #ffffff;
}
Border
.border-045cfe {
  border: 2px solid #045cfe;
}
CSS variables
:root {
  --color-primary: #045cfe;
  --color-primary-rgb: 4 92 254;
  --color-primary-hsl: 219 99% 51%;
}
Gradient
.gradient-045cfe {
  background: linear-gradient(135deg, #045cfe, #2904fe);
}
Colored shadow
.shadow-045cfe {
  box-shadow: 0 8px 24px rgb(4 92 254 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 3.70 #4169e1 Royal Blue ΔE 4.98 #0070ff Brandeis Blue ΔE 6.79 #6050dc Majorelle Blue ΔE 8.27 #1560bd Denim ΔE 8.67 #5a4fcf Iris ΔE 8.81 #0f52ba Sapphire ΔE 9.25 #fba301 Inverted #6b6b6b Grayscale 

Ultramarine Blue
#045cfe  rgb(4, 92, 254)  hsl(219, 99%, 51%)  Ultramarine Blue
#fea604  rgb(254, 166, 4)  hsl(39, 99%, 51%)  Orange
#fe045c  rgb(254, 4, 92)  hsl(339, 99%, 51%)  Folly
#5cfe04  rgb(92, 254, 4)  hsl(99, 99%, 51%)  Harlequin