ColorTool
Log in
#5966FB

#5966fb ≈ Ultramarine Blue

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

#5966fb is a color from the blue family, with high lightness and strong saturation. In the RGB model it is made of 34.9% red, 40% green and 98.43% blue; printed in CMYK it uses 64.54% cyan, 59.36% magenta, 0% yellow and 1.57% black. Its hue angle is 235.19°, with 95.29% saturation and 66.67% 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. Black text on this color reaches a contrast ratio of 4.72:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 3.12.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6666ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1859

Complementary

  1. #5966fb
  2. #fbee59

Split complementary

  1. #5966fb
  2. #fb9d59
  3. #b7fb59

Analogous

  1. #59b7fb
  2. #5966fb
  3. #9d59fb

Triadic

  1. #5966fb
  2. #fb5966
  3. #66fb59

Tetradic

  1. #5966fb
  2. #ee59fb
  3. #fbee59
  4. #66fb59

Square

  1. #5966fb
  2. #fb59b7
  3. #fbee59
  4. #59fb9d

Monochromatic

  1. #0413b7
  2. #0e21f9
  3. #5966fb
  4. #a4abfd
  5. #ebedff

Shades

#5966fb mixed progressively with black.

  1. #5966fb
  2. #505ce2
  3. #4752c9
  4. #3e47b0
  5. #353d97
  6. #2d337e
  7. #242964
  8. #1b1f4b
  9. #121432
  10. #090a19
  11. #000000

Tints

#5966fb mixed progressively with white.

  1. #5966fb
  2. #6a75fb
  3. #7a85fc
  4. #8b94fc
  5. #9ba3fd
  6. #acb3fd
  7. #bdc2fd
  8. #cdd1fe
  9. #dee0fe
  10. #eef0ff
  11. #ffffff

Tones

#5966fb mixed progressively with gray.

  1. #5966fb
  2. #5d69ef
  3. #616be2
  4. #656ed6
  5. #6970ca
  6. #6d73be
  7. #7076b1
  8. #7478a5
  9. #787b99
  10. #7c7d8c
  11. #808080

Readable text 4.45:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.72:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #777777 ≈ 0.003% of males
Achromatomaly #6d71bb ≈ 0.001% of males
Protanopia #007fff ≈ 1.01% of males
Deuteranopia #0070f8 ≈ 1.27% of males
Tritanopia #008ba7 ≈ 0.0001% of males
Protanomaly #2076fe ≈ 1.08% of males
Deuteranomaly #006cf9 ≈ 4.63% of males
Tritanomaly #117ece ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-5966fb {
  color: #5966fb;
}
Background
.bg-5966fb {
  background-color: #5966fb;
  color: #000000;
}
Border
.border-5966fb {
  border: 2px solid #5966fb;
}
CSS variables
:root {
  --color-primary: #5966fb;
  --color-primary-rgb: 89 102 251;
  --color-primary-hsl: 235 95% 67%;
}
Gradient
.gradient-5966fb {
  background: linear-gradient(135deg, #5966fb, #9d59fb);
}
Colored shadow
.shadow-5966fb {
  box-shadow: 0 8px 24px rgb(89 102 251 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 3.12 #7b68ee Medium Slate Blue ΔE 5.18 #4169e1 Royal Blue ΔE 5.41 #0070ff Brandeis Blue ΔE 7.31 #6a5acd Slate Blue ΔE 7.85 #6050dc Majorelle Blue ΔE 8.10 #5a4fcf Iris ΔE 9.41 #a69904 Inverted #777777 Grayscale 

Ultramarine Blue
#5966fb  rgb(89, 102, 251)  hsl(235, 95%, 67%)  Ultramarine Blue
#fbee59  rgb(251, 238, 89)  hsl(55, 95%, 67%)  Icterine
#fb5966  rgb(251, 89, 102)  hsl(355, 95%, 67%)  Neon Fuchsia
#66fb59  rgb(102, 251, 89)  hsl(115, 95%, 67%)  Neon Green