ColorTool
Log in
#3F63CA

#3f63ca ≈ Royal Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
Check contrast Explore in graph Random color

#3f63ca is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 24.71% red, 38.82% green and 79.22% blue; printed in CMYK it uses 68.81% cyan, 50.99% magenta, 0% yellow and 20.78% black. Its hue angle is 224.46°, with 56.73% saturation and 51.96% lightness in HSL. It is a cool color, often associated with trust, stability and focus. Designers typically use it for technology products, finance and banking and brand accents. White text on this color reaches a contrast ratio of 5.46:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 3.61.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1424

Complementary

  1. #3f63ca
  2. #caa63f

Split complementary

  1. #3f63ca
  2. #ca603f
  3. #a8ca3f

Analogous

  1. #3fa8ca
  2. #3f63ca
  3. #603fca

Triadic

  1. #3f63ca
  2. #ca3f63
  3. #63ca3f

Tetradic

  1. #3f63ca
  2. #a63fca
  3. #caa63f
  4. #63ca3f

Square

  1. #3f63ca
  2. #ca3fa8
  3. #caa63f
  4. #3fca60

Monochromatic

  1. #182958
  2. #294494
  3. #3f63ca
  4. #7b94db
  5. #b7c4eb

Shades

#3f63ca mixed progressively with black.

  1. #3f63ca
  2. #3959b6
  3. #324fa2
  4. #2c458d
  5. #263b79
  6. #203265
  7. #192851
  8. #131e3d
  9. #0d1428
  10. #060a14
  11. #000000

Tints

#3f63ca mixed progressively with white.

  1. #3f63ca
  2. #5273cf
  3. #6582d5
  4. #7992da
  5. #8ca1df
  6. #9fb1e5
  7. #b2c1ea
  8. #c5d0ef
  9. #d9e0f4
  10. #eceffa
  11. #ffffff

Tones

#3f63ca mixed progressively with gray.

  1. #3f63ca
  2. #4666c3
  3. #4c69bb
  4. #536cb4
  5. #596fac
  6. #6072a5
  7. #66749e
  8. #6d7796
  9. #737a8f
  10. #7a7d87
  11. #808080

Readable text 5.46:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.85:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #696969 ≈ 0.003% of males
Achromatomaly #5b679a ≈ 0.001% of males
Protanopia #2470ce ≈ 1.01% of males
Deuteranopia #0063c8 ≈ 1.27% of males
Tritanopia #007b8d ≈ 0.0001% of males
Protanomaly #316bcc ≈ 1.08% of males
Deuteranomaly #2063c9 ≈ 4.63% of males
Tritanomaly #0072a9 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3f63ca {
  color: #3f63ca;
}
Background
.bg-3f63ca {
  background-color: #3f63ca;
  color: #ffffff;
}
Border
.border-3f63ca {
  border: 2px solid #3f63ca;
}
CSS variables
:root {
  --color-primary: #3f63ca;
  --color-primary-rgb: 63 99 202;
  --color-primary-hsl: 224 57% 52%;
}
Gradient
.gradient-3f63ca {
  background: linear-gradient(135deg, #3f63ca, #603fca);
}
Colored shadow
.shadow-3f63ca {
  box-shadow: 0 8px 24px rgb(63 99 202 / 0.35);
}

#4169e1 Royal Blue ΔE 3.61 #1560bd Denim ΔE 4.87 #4166f5 Ultramarine Blue ΔE 5.74 #0f52ba Sapphire ΔE 6.61 #436b95 Queen Blue ΔE 6.77 #26619c Lapis Lazuli ΔE 7.67 #0070ff Brandeis Blue ΔE 7.79 #c09c35 Inverted #696969 Grayscale 

Royal Blue
#3f63ca  rgb(63, 99, 202)  hsl(224, 57%, 52%)  Royal Blue
#caa63f  rgb(202, 166, 63)  hsl(44, 57%, 52%)  Metallic Gold
#ca3f63  rgb(202, 63, 99)  hsl(344, 57%, 52%)  Cerise
#63ca3f  rgb(99, 202, 63)  hsl(104, 57%, 52%)  Lime Green