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#3151DD

#3151dd ≈ Iris

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#3151dd is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 19.22% red, 31.76% green and 86.67% blue; printed in CMYK it uses 77.83% cyan, 63.35% magenta, 0% yellow and 13.33% black. Its hue angle is 228.84°, with 71.67% saturation and 52.94% 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 6.27:1 (WCAG AA). The closest named color is Iris (#5a4fcf), ΔE 5.03.

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 luminance0.1176

Complementary

  1. #3151dd
  2. #ddbd31

Split complementary

  1. #3151dd
  2. #dd6731
  3. #a7dd31

Analogous

  1. #31a7dd
  2. #3151dd
  3. #6731dd

Triadic

  1. #3151dd
  2. #dd3151
  3. #51dd31

Tetradic

  1. #3151dd
  2. #bd31dd
  3. #ddbd31
  4. #51dd31

Square

  1. #3151dd
  2. #dd31a7
  3. #ddbd31
  4. #31dd67

Monochromatic

  1. #112064
  2. #1b35a6
  3. #3151dd
  4. #7388e8
  5. #b4c0f3

Shades

#3151dd mixed progressively with black.

  1. #3151dd
  2. #2c49c7
  3. #2741b1
  4. #22399b
  5. #1d3185
  6. #19296f
  7. #142058
  8. #0f1842
  9. #0a102c
  10. #050816
  11. #000000

Tints

#3151dd mixed progressively with white.

  1. #3151dd
  2. #4662e0
  3. #5a74e4
  4. #6f85e7
  5. #8397eb
  6. #98a8ee
  7. #adb9f1
  8. #c1cbf5
  9. #d6dcf8
  10. #eaeefc
  11. #ffffff

Tones

#3151dd mixed progressively with gray.

  1. #3151dd
  2. #3956d4
  3. #415aca
  4. #495fc1
  5. #5164b8
  6. #5969af
  7. #606da5
  8. #68729c
  9. #707793
  10. #787b89
  11. #808080

Readable text 6.27:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.35:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #606060 ≈ 0.003% of males
Achromatomaly #515ba2 ≈ 0.001% of males
Protanopia #0069e1 ≈ 1.01% of males
Deuteranopia #0058da ≈ 1.27% of males
Tritanopia #00768f ≈ 0.0001% of males
Protanomaly #0060e0 ≈ 1.08% of males
Deuteranomaly #0055db ≈ 4.63% of males
Tritanomaly #0069b4 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3151dd {
  color: #3151dd;
}
Background
.bg-3151dd {
  background-color: #3151dd;
  color: #ffffff;
}
Border
.border-3151dd {
  border: 2px solid #3151dd;
}
CSS variables
:root {
  --color-primary: #3151dd;
  --color-primary-rgb: 49 81 221;
  --color-primary-hsl: 229 72% 53%;
}
Gradient
.gradient-3151dd {
  background: linear-gradient(135deg, #3151dd, #6731dd);
}
Colored shadow
.shadow-3151dd {
  box-shadow: 0 8px 24px rgb(49 81 221 / 0.35);
}

#5a4fcf Iris ΔE 5.03 #6050dc Majorelle Blue ΔE 5.65 #0f52ba Sapphire ΔE 6.26 #4166f5 Ultramarine Blue ΔE 7.53 #6a5acd Slate Blue ΔE 7.67 #4f42b5 Ocean Blue ΔE 7.75 #4169e1 Royal Blue ΔE 7.75 #ceae22 Inverted #606060 Grayscale 

Iris
#3151dd  rgb(49, 81, 221)  hsl(229, 72%, 53%)  Iris
#ddbd31  rgb(221, 189, 49)  hsl(49, 72%, 53%)  Old Gold
#dd3151  rgb(221, 49, 81)  hsl(349, 72%, 53%)  Amaranth
#51dd31  rgb(81, 221, 49)  hsl(109, 72%, 53%)  Lime Green