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#4663FF

#4663ff ≈ Ultramarine Blue

  • blue
  • Lightness: high
  • Saturation: strong
  • Cool
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#4663ff is a color from the blue family, with high lightness and strong saturation. In the RGB model it is made of 27.45% red, 38.82% green and 100% blue; printed in CMYK it uses 72.55% cyan, 61.18% magenta, 0% yellow and 0% black. Its hue angle is 230.59°, with 100% saturation and 63.73% 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 call-to-action buttons. White text on this color reaches a contrast ratio of 4.68:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 1.83.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1745

Complementary

  1. #4663ff
  2. #ffe246

Split complementary

  1. #4663ff
  2. #ff8646
  3. #c0ff46

Analogous

  1. #46c0ff
  2. #4663ff
  3. #8646ff

Triadic

  1. #4663ff
  2. #ff4663
  3. #63ff46

Tetradic

  1. #4663ff
  2. #e246ff
  3. #ffe246
  4. #63ff46

Square

  1. #4663ff
  2. #ff46c0
  3. #ffe246
  4. #46ff86

Monochromatic

  1. #001bac
  2. #0027f9
  3. #4663ff
  4. #93a4ff
  5. #dfe4ff

Shades

#4663ff mixed progressively with black.

  1. #4663ff
  2. #3f59e6
  3. #384fcc
  4. #3145b3
  5. #2a3b99
  6. #233280
  7. #1c2866
  8. #151e4d
  9. #0e1433
  10. #070a1a
  11. #000000

Tints

#4663ff mixed progressively with white.

  1. #4663ff
  2. #5973ff
  3. #6b82ff
  4. #7e92ff
  5. #90a1ff
  6. #a3b1ff
  7. #b5c1ff
  8. #c8d0ff
  9. #dae0ff
  10. #edefff
  11. #ffffff

Tones

#4663ff mixed progressively with gray.

  1. #4663ff
  2. #4c66f2
  3. #5269e6
  4. #576cd9
  5. #5d6fcc
  6. #6372c0
  7. #6974b3
  8. #6f77a6
  9. #747a99
  10. #7a7d8d
  11. #808080

Readable text 4.68:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.49:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #747474 ≈ 0.003% of males
Achromatomaly #656ebc ≈ 0.001% of males
Protanopia #007dff ≈ 1.01% of males
Deuteranopia #006bfc ≈ 1.27% of males
Tritanopia #008ba8 ≈ 0.0001% of males
Protanomaly #0073ff ≈ 1.08% of males
Deuteranomaly #0068fd ≈ 4.63% of males
Tritanomaly #007dd1 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-4663ff {
  color: #4663ff;
}
Background
.bg-4663ff {
  background-color: #4663ff;
  color: #ffffff;
}
Border
.border-4663ff {
  border: 2px solid #4663ff;
}
CSS variables
:root {
  --color-primary: #4663ff;
  --color-primary-rgb: 70 99 255;
  --color-primary-hsl: 231 100% 64%;
}
Gradient
.gradient-4663ff {
  background: linear-gradient(135deg, #4663ff, #8646ff);
}
Colored shadow
.shadow-4663ff {
  box-shadow: 0 8px 24px rgb(70 99 255 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 1.83 #4169e1 Royal Blue ΔE 4.57 #0070ff Brandeis Blue ΔE 6.34 #7b68ee Medium Slate Blue ΔE 7.15 #6050dc Majorelle Blue ΔE 8.02 #6a5acd Slate Blue ΔE 8.43 #5a4fcf Iris ΔE 9.15 #b99c00 Inverted #747474 Grayscale 

Ultramarine Blue
#4663ff  rgb(70, 99, 255)  hsl(231, 100%, 64%)  Ultramarine Blue
#ffe246  rgb(255, 226, 70)  hsl(51, 100%, 64%)  Banana Yellow
#ff4663  rgb(255, 70, 99)  hsl(351, 100%, 64%)  Neon Fuchsia
#63ff46  rgb(99, 255, 70)  hsl(111, 100%, 64%)  Neon Green