ColorTool
Log in
#1663FC

#1663fc ≈ Ultramarine Blue

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

#1663fc is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 8.63% red, 38.82% green and 98.82% blue; printed in CMYK it uses 91.27% cyan, 60.71% magenta, 0% yellow and 1.18% black. Its hue angle is 219.91°, with 97.46% saturation and 53.73% 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 4.97:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 2.4.

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 luminance0.1612

Complementary

  1. #1663fc
  2. #fcaf16

Split complementary

  1. #1663fc
  2. #fc3c16
  3. #d6fc16

Analogous

  1. #16d6fc
  2. #1663fc
  3. #3c16fc

Triadic

  1. #1663fc
  2. #fc1663
  3. #63fc16

Tetradic

  1. #1663fc
  2. #af16fc
  3. #fcaf16
  4. #63fc16

Square

  1. #1663fc
  2. #fc16d6
  3. #fcaf16
  4. #16fc3c

Monochromatic

  1. #022977
  2. #0343c3
  3. #1663fc
  4. #6296fd
  5. #adc8fe

Shades

#1663fc mixed progressively with black.

  1. #1663fc
  2. #1459e3
  3. #124fca
  4. #0f45b0
  5. #0d3b97
  6. #0b327e
  7. #092865
  8. #071e4c
  9. #041432
  10. #020a19
  11. #000000

Tints

#1663fc mixed progressively with white.

  1. #1663fc
  2. #2d73fc
  3. #4582fd
  4. #5c92fd
  5. #73a1fd
  6. #8bb1fe
  7. #a2c1fe
  8. #b9d0fe
  9. #d0e0fe
  10. #e8efff
  11. #ffffff

Tones

#1663fc mixed progressively with gray.

  1. #1663fc
  2. #2166f0
  3. #2b69e3
  4. #366cd7
  5. #406fca
  6. #4b72be
  7. #5674b2
  8. #6077a5
  9. #6b7a99
  10. #757d8c
  11. #808080

Readable text 4.97:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.22:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #707070 ≈ 0.003% of males
Achromatomaly #596bb9 ≈ 0.001% of males
Protanopia #007aff ≈ 1.01% of males
Deuteranopia #0066f9 ≈ 1.27% of males
Tritanopia #008ba6 ≈ 0.0001% of males
Protanomaly #0072ff ≈ 1.08% of males
Deuteranomaly #0065fa ≈ 4.63% of males
Tritanomaly #007dce ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-1663fc {
  color: #1663fc;
}
Background
.bg-1663fc {
  background-color: #1663fc;
  color: #ffffff;
}
Border
.border-1663fc {
  border: 2px solid #1663fc;
}
CSS variables
:root {
  --color-primary: #1663fc;
  --color-primary-rgb: 22 99 252;
  --color-primary-hsl: 220 97% 54%;
}
Gradient
.gradient-1663fc {
  background: linear-gradient(135deg, #1663fc, #3c16fc);
}
Colored shadow
.shadow-1663fc {
  box-shadow: 0 8px 24px rgb(22 99 252 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 2.40 #4169e1 Royal Blue ΔE 3.45 #0070ff Brandeis Blue ΔE 4.63 #1560bd Denim ΔE 8.38 #0073cf True Blue ΔE 9.29 #6050dc Majorelle Blue ΔE 9.60 #0f52ba Sapphire ΔE 10.05 #e99c03 Inverted #707070 Grayscale 

Ultramarine Blue
#1663fc  rgb(22, 99, 252)  hsl(220, 97%, 54%)  Ultramarine Blue
#fcaf16  rgb(252, 175, 22)  hsl(40, 97%, 54%)  Orange
#fc1663  rgb(252, 22, 99)  hsl(340, 97%, 54%)  Neon Fuchsia
#63fc16  rgb(99, 252, 22)  hsl(100, 97%, 54%)  Harlequin