ColorTool
Log in
#4273DA

#4273da ≈ Royal Blue

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

#4273da is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 25.88% red, 45.1% green and 85.49% blue; printed in CMYK it uses 69.72% cyan, 47.25% magenta, 0% yellow and 14.51% black. Its hue angle is 220.66°, with 67.26% saturation and 55.69% 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. Black text on this color reaches a contrast ratio of 4.7:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 3.78.

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 luminance0.1848

Complementary

  1. #4273da
  2. #daa942

Split complementary

  1. #4273da
  2. #da5d42
  3. #bfda42

Analogous

  1. #42bfda
  2. #4273da
  3. #5d42da

Triadic

  1. #4273da
  2. #da4273
  3. #73da42

Tetradic

  1. #4273da
  2. #a942da
  3. #daa942
  4. #73da42

Square

  1. #4273da
  2. #da42bf
  3. #daa942
  4. #42da5d

Monochromatic

  1. #15326e
  2. #224fae
  3. #4273da
  4. #82a2e7
  5. #c2d2f3

Shades

#4273da mixed progressively with black.

  1. #4273da
  2. #3b68c4
  3. #355cae
  4. #2e5199
  5. #284583
  6. #213a6d
  7. #1a2e57
  8. #142341
  9. #0d172c
  10. #070c16
  11. #000000

Tints

#4273da mixed progressively with white.

  1. #4273da
  2. #5581de
  3. #688fe1
  4. #7b9de5
  5. #8eabe9
  6. #a1b9ed
  7. #b3c7f0
  8. #c6d5f4
  9. #d9e3f8
  10. #ecf1fb
  11. #ffffff

Tones

#4273da mixed progressively with gray.

  1. #4273da
  2. #4874d1
  3. #4e76c8
  4. #5577bf
  5. #5b78b6
  6. #617aad
  7. #677ba4
  8. #6d7c9b
  9. #747d92
  10. #7a7f89
  11. #808080

Readable text 4.47:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.7:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #777777 ≈ 0.003% of males
Achromatomaly #6675a8 ≈ 0.001% of males
Protanopia #3c7fde ≈ 1.01% of males
Deuteranopia #1571d8 ≈ 1.27% of males
Tritanopia #008b9c ≈ 0.0001% of males
Protanomaly #3e7adc ≈ 1.08% of males
Deuteranomaly #2d72d9 ≈ 4.63% of males
Tritanomaly #0082b8 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-4273da {
  color: #4273da;
}
Background
.bg-4273da {
  background-color: #4273da;
  color: #000000;
}
Border
.border-4273da {
  border: 2px solid #4273da;
}
CSS variables
:root {
  --color-primary: #4273da;
  --color-primary-rgb: 66 115 218;
  --color-primary-hsl: 221 67% 56%;
}
Gradient
.gradient-4273da {
  background: linear-gradient(135deg, #4273da, #5d42da);
}
Colored shadow
.shadow-4273da {
  box-shadow: 0 8px 24px rgb(66 115 218 / 0.35);
}

#4169e1 Royal Blue ΔE 3.78 #0070ff Brandeis Blue ΔE 3.93 #417dc1 Tufts Blue ΔE 5.22 #0073cf True Blue ΔE 5.70 #4166f5 Ultramarine Blue ΔE 5.79 #6082b6 Glaucous ΔE 6.50 #4682b4 Steel Blue ΔE 7.56 #bd8c25 Inverted #777777 Grayscale 

Royal Blue
#4273da  rgb(66, 115, 218)  hsl(221, 67%, 56%)  Royal Blue
#daa942  rgb(218, 169, 66)  hsl(41, 67%, 56%)  Goldenrod
#da4273  rgb(218, 66, 115)  hsl(341, 67%, 56%)  Razzmatazz
#73da42  rgb(115, 218, 66)  hsl(101, 67%, 56%)  Lime Green