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#2159FF

#2159ff ≈ Ultramarine Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#2159ff is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 12.94% red, 34.9% green and 100% blue; printed in CMYK it uses 87.06% cyan, 65.1% magenta, 0% yellow and 0% black. Its hue angle is 224.86°, with 100% saturation and 56.47% 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 5.33:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 4.11.

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 luminance0.1469

Complementary

  1. #2159ff
  2. #ffc721

Split complementary

  1. #2159ff
  2. #ff5821
  3. #c8ff21

Analogous

  1. #21c8ff
  2. #2159ff
  3. #5821ff

Triadic

  1. #2159ff
  2. #ff2159
  3. #59ff21

Tetradic

  1. #2159ff
  2. #c721ff
  3. #ffc721
  4. #59ff21

Square

  1. #2159ff
  2. #ff21c8
  3. #ffc721
  4. #21ff58

Monochromatic

  1. #002287
  2. #0035d3
  3. #2159ff
  4. #6d92ff
  5. #bacbff

Shades

#2159ff mixed progressively with black.

  1. #2159ff
  2. #1e50e6
  3. #1a47cc
  4. #173eb3
  5. #143599
  6. #112d80
  7. #0d2466
  8. #0a1b4d
  9. #071233
  10. #03091a
  11. #000000

Tints

#2159ff mixed progressively with white.

  1. #2159ff
  2. #376aff
  3. #4d7aff
  4. #648bff
  5. #7a9bff
  6. #90acff
  7. #a6bdff
  8. #bccdff
  9. #d3deff
  10. #e9eeff
  11. #ffffff

Tones

#2159ff mixed progressively with gray.

  1. #2159ff
  2. #2b5df2
  3. #3461e6
  4. #3e65d9
  5. #4769cc
  6. #516dc0
  7. #5a70b3
  8. #6474a6
  9. #6d7899
  10. #777c8d
  11. #808080

Readable text 5.33:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.94:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6b6b6b ≈ 0.003% of males
Achromatomaly #5764ba ≈ 0.001% of males
Protanopia #0075ff ≈ 1.01% of males
Deuteranopia #0061fc ≈ 1.27% of males
Tritanopia #0086a4 ≈ 0.0001% of males
Protanomaly #006bff ≈ 1.08% of males
Deuteranomaly #005efd ≈ 4.63% of males
Tritanomaly #0077cf ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-2159ff {
  color: #2159ff;
}
Background
.bg-2159ff {
  background-color: #2159ff;
  color: #ffffff;
}
Border
.border-2159ff {
  border: 2px solid #2159ff;
}
CSS variables
:root {
  --color-primary: #2159ff;
  --color-primary-rgb: 33 89 255;
  --color-primary-hsl: 225 100% 56%;
}
Gradient
.gradient-2159ff {
  background: linear-gradient(135deg, #2159ff, #5821ff);
}
Colored shadow
.shadow-2159ff {
  box-shadow: 0 8px 24px rgb(33 89 255 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 4.11 #4169e1 Royal Blue ΔE 5.76 #6050dc Majorelle Blue ΔE 7.15 #5a4fcf Iris ΔE 7.87 #0070ff Brandeis Blue ΔE 7.91 #6a5acd Slate Blue ΔE 8.84 #1560bd Denim ΔE 9.65 #dea600 Inverted #6b6b6b Grayscale 

Ultramarine Blue
#2159ff  rgb(33, 89, 255)  hsl(225, 100%, 56%)  Ultramarine Blue
#ffc721  rgb(255, 199, 33)  hsl(45, 100%, 56%)  Mikado Yellow
#ff2159  rgb(255, 33, 89)  hsl(345, 100%, 56%)  Folly
#59ff21  rgb(89, 255, 33)  hsl(105, 100%, 56%)  Harlequin