ColorTool
Log in
#045CF8

#045cf8 ≈ Ultramarine Blue

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

#045cf8 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 97.25% blue; printed in CMYK it uses 98.39% cyan, 62.9% magenta, 0% yellow and 2.75% black. Its hue angle is 218.36°, with 96.83% saturation and 49.41% 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 5.4:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 3.94.

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 luminance0.1446

Complementary

  1. #045cf8
  2. #f8a004

Split complementary

  1. #045cf8
  2. #f82604
  3. #d6f804

Analogous

  1. #04d6f8
  2. #045cf8
  3. #2604f8

Triadic

  1. #045cf8
  2. #f8045c
  3. #5cf804

Tetradic

  1. #045cf8
  2. #a004f8
  3. #f8a004
  4. #5cf804

Square

  1. #045cf8
  2. #f804d6
  3. #f8a004
  4. #04f826

Monochromatic

  1. #022461
  2. #0340ad
  3. #045cf8
  4. #4c8cfc
  5. #98bcfd

Shades

#045cf8 mixed progressively with black.

  1. #045cf8
  2. #0453df
  3. #034ac6
  4. #0340ae
  5. #023795
  6. #022e7c
  7. #022563
  8. #011c4a
  9. #011232
  10. #000919
  11. #000000

Tints

#045cf8 mixed progressively with white.

  1. #045cf8
  2. #1d6cf9
  3. #367df9
  4. #4f8dfa
  5. #689dfb
  6. #82aefc
  7. #9bbefc
  8. #b4cefd
  9. #cddefe
  10. #e6effe
  11. #ffffff

Tones

#045cf8 mixed progressively with gray.

  1. #045cf8
  2. #1060ec
  3. #1d63e0
  4. #2967d4
  5. #366ac8
  6. #426ebc
  7. #4e72b0
  8. #5b75a4
  9. #677998
  10. #747c8c
  11. #808080

Readable text 5.4:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.89:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6a6a6a ≈ 0.003% of males
Achromatomaly #5365b5 ≈ 0.001% of males
Protanopia #0075fd ≈ 1.01% of males
Deuteranopia #0060f5 ≈ 1.27% of males
Tritanopia #0086a2 ≈ 0.0001% of males
Protanomaly #006cfb ≈ 1.08% of males
Deuteranomaly #005ef6 ≈ 4.63% of males
Tritanomaly #0077ca ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-045cf8 {
  color: #045cf8;
}
Background
.bg-045cf8 {
  background-color: #045cf8;
  color: #ffffff;
}
Border
.border-045cf8 {
  border: 2px solid #045cf8;
}
CSS variables
:root {
  --color-primary: #045cf8;
  --color-primary-rgb: 4 92 248;
  --color-primary-hsl: 218 97% 49%;
}
Gradient
.gradient-045cf8 {
  background: linear-gradient(135deg, #045cf8, #2604f8);
}
Colored shadow
.shadow-045cf8 {
  box-shadow: 0 8px 24px rgb(4 92 248 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 3.94 #4169e1 Royal Blue ΔE 4.77 #0070ff Brandeis Blue ΔE 6.87 #1560bd Denim ΔE 7.94 #6050dc Majorelle Blue ΔE 8.31 #0f52ba Sapphire ΔE 8.50 #5a4fcf Iris ΔE 8.66 #fba307 Inverted #6a6a6a Grayscale 

Ultramarine Blue
#045cf8  rgb(4, 92, 248)  hsl(218, 97%, 49%)  Ultramarine Blue
#f8a004  rgb(248, 160, 4)  hsl(38, 97%, 49%)  Orange
#f8045c  rgb(248, 4, 92)  hsl(338, 97%, 49%)  Folly
#5cf804  rgb(92, 248, 4)  hsl(98, 97%, 49%)  Harlequin